Placeholder Photo for Robert C. Amster, MD

As an emergency medicine specialist in Orange, CA, Dr. Robert Amster treats a wide range of acute conditions or injuries in an emergency room.

Reviews of Dr. Amster
Dr. Amster

Offices of Dr. Amster See Insurance
of Dr. Amster

Hoag Urgent Care - Orange, Inc.  


Accepting New Patients?

Yes, Dr. Robert C. Amster is accepting new patients at this office.


Fax

(714) 389-6973


Address

7630 B E Chapman Avenue, Orange, CA 92869-6591

Office Details

Doctor Specialties Emergency Medicine & General Practice & Preventive Medicine
Accepting New Patients? Yes
Practice Specialty Emergency Medicine
Languages Spoken English

Partners Urgent Care-grossmont  


Accepting New Patients?

Yes, Dr. Robert C. Amster is accepting new patients at this office.


Fax

(714) 389-6973


Address

6136 Lake Murray Boulevard, La Mesa, CA 91942-2502

Office Details

Doctor Specialties Emergency Medicine & General Practice & Preventive Medicine
Accepting New Patients? Yes
Languages Spoken English

Cypress Urgent Care, Inc.  


Accepting New Patients?

Yes, Dr. Robert C. Amster is accepting new patients at this office.


Phone


Address

6876 Katella Avenue, Cypress, CA 90630-5108

Office Details

Doctor Specialties Emergency Medicine & General Practice & Preventive Medicine
Accepting New Patients? Yes
Languages Spoken English

Hoag Urgent Care - Anaheim Hills Inc.  


Accepting New Patients?

Yes, Dr. Robert C. Amster is accepting new patients at this office.


Phone


Address

5634 E Santa Ana Canyon Road, Anaheim, CA 92807-3126

Office Details

Doctor Specialties Emergency Medicine & General Practice & Preventive Medicine
Accepting New Patients? Yes
Languages Spoken English

Hoag Urgent Care - Huntington Harbour  


Accepting New Patients?

Yes, Dr. Robert C. Amster is accepting new patients at this office.


Phone


Address

5355 Warner Avenue, Suite 102, Huntington Beach, CA 92649-6030

Office Details

Doctor Specialties Emergency Medicine & General Practice & Preventive Medicine
Accepting New Patients? Yes
Languages Spoken English

Partners Urgent Care - Utc  


Accepting New Patients?

Yes, Dr. Robert C. Amster is accepting new patients at this office.


Phone


Address

4085 Governor Drive, San Diego, CA 92122-2522

Office Details

Doctor Specialties Emergency Medicine & General Practice & Preventive Medicine
Accepting New Patients? Yes
Languages Spoken English

Hoag Urgent Care Tustin Inc.  


Accepting New Patients?

Yes, Dr. Robert C. Amster is accepting new patients at this office.


Phone


Address

2560 Bryan Avenue, Suite a, Tustin, CA 92782-8922

Office Details

Doctor Specialties Emergency Medicine & General Practice & Preventive Medicine
Accepting New Patients? Yes
Languages Spoken English

Laguna-dana Urgent Care Inc.  


Accepting New Patients?

Yes, Dr. Robert C. Amster is accepting new patients at this office.


Phone


Address

24060 Camino Del Avion, Suite a, Monarch Beach, CA 92629-4006

Office Details

Doctor Specialties Emergency Medicine & General Practice & Preventive Medicine
Accepting New Patients? Yes
Languages Spoken English

Partners Urgent Care-eastlake  


Accepting New Patients?

Yes, Dr. Robert C. Amster is accepting new patients at this office.


Phone


Address

2315 Otay Lakes Road, Chula Vista, CA 91915-1162

Office Details

Doctor Specialties Emergency Medicine & General Practice & Preventive Medicine
Accepting New Patients? Yes
Languages Spoken English

Insurance Accepted  


  • Medicare

About Dr. Amster
Dr. Amster

Bio


Dr. Robert Amster graduated from University of Rochester School of Medicine and Dentistry in 1976.

Dr. Amster has nine offices in California where he specializes in Emergency Medicine, General Practice and Preventive Medicine.

Dr. Amster works with one doctor, Dr. Ranya Alexander.

Specialties


Education & Training  


Languages Spoken  


  • English

Dr. Amster's Medicare Fee‑for‑Service Data (2014)  


Please Note: The information displayed below is sourced from the 2014 Medicare Physician and Other Supplier National Provider Identifier (NPI) Aggregate Report. It's important to remember that the statistics below are not inclusive of all patients treated by Dr. Amster, but only those who participate in Medicare.

  Overview
  • Doctor participates in Medicare?: Yes 
  • Number of HCPCS Codes: 116 
  • Number of Services: 10031 
  • Medical Suppress Indicator:  
  • Number of HCPCS Associated With Medical Services: 95 
  • Number of Medical Services: 9411 
  • Number of Medicare Patients with Medical Services: 4519 
  Medicare Patient Demographics
  • Total Number of Medicare Patients: 4519 
  • Average Age of Medicare Patients: 73 
  • Number of Patients Under Age 65: 482 
  • Number of Patients Age 65 to 74: 2128 
  • Number of Patients Age 75 to 84: 1276 
  • Number of Patients Over Age 84: 633 
  • Number of Female Patients : 2909 
  • Number of Male Patients: 1610 
  • Number of Non-Hispanic White Patients: 3764 
  • Number of Black or African American Patients: 0 
  • Number of Asian Pacific Islander Patients: 244 
  • Number of Hispanic Patients: 319 
  • Number of American Indian/Alaska Native Patients: 0 
  • Number of Patients with Race Not Elsewhere Classified: 120 
  • Number of Patients with Medicare Only Entitlement: 3881 
  • Number of Patients with Medicare & Medicaid Entitlement: 638 
  Medicare Patient Condition Demographics
  • Percent of Patients with Atrial Fibrillation: 10% 
  • Percent of Patients with Alzheimer’s Disease or Dementia: 8% 
  • Percent of Patients with Asthma: 8% 
  • Percent of Patients with Cancer: 9% 
  • Percent of Patients with Heart Failure: 13% 
  • Percent of Patients with Chronic Kidney Disease: 15% 
  • Percent of Patients with Chronic Obstructive Pulmonary Disease: 9% 
  • Percent of Patients with Depression: 19% 
  • Percent of Patients with Diabetes: 22% 
  • Percent of Patients with Hyperlipidemia: 50% 
  • Percent of Patients with Hypertension (High Blood Pressure): 56% 
  • Percent of Patients with Ischemic Heart Disease: 27% 
  • Percent of Patients with Osteoporosis: 10% 
  • Percent of Patients with Rheumatoid Arthritis / Osteoarthritis: 37% 
  • Percent of Patients with Schizophrenia / Other Psychotic Disorders: 3% 
  • Percent of Patients with Stroke: 4% 
  Medicare Payments Data
  • Total Submitted Charge Amount: $1,592,538.00 
  • Total Medicare Allowed Amount: $715,994.56 
  • Total Medicare Payment Amount: $481,501.02 
  • Total Medicare Standardized Payment Amount: $443,218.87 
  • Total Medical Submitted Charge Amount: $1,568,014.00 
  • Total Medical Medicare Allowed Amount: $712,881.32 
  • Total Medical Medicare Payment Amount: $479,185.69 
  • Total Medical Medicare Standardized Payment Amount: $440,903.54 
  Medicare Prescription Drug Data
  • Drug Suppress Indicator: n/a 
  • Number of HCPCS Associated With Drug Services: 21 
  • Number of Drug Services: 620 
  • Number of Medicare Beneficiaries With Drug Services: 492 
  • Total Drug Submitted Charge Amount: $24,524.00 
  • Total Drug Medicare Allowed Amount: $3,113.24 
  • Total Drug Medicare Payment Amount: $2,315.33 
  • Total Drug Medicare Standardized Payment Amount: $2,315.33 

Daily Health Newsletter from MD.com


Enter your email to receive a daily roundup of health tips, news & more in your inbox, Mon‑Fri:


To browse examples of previous newsletters, click here.

PrivacyTerms