Dr. Robert C. Amster, MD
- Medicare services, 2022
- 159
- Part D claims, 2024
- 66
- Affiliated sites
- 2
- Medical groups
- 4
- Insurance carriers
- 6
- Practice address
- 1 Theall Rd, Rye, NY 10580
- Practice phone
- Call (914) 848-8980
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Rye Ambulatory Surgery Center
Surgery Center - Medicare-Certified · Rye, New York
Find Dr. Amster's professional email, personal email and mobile number
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Dr. Robert C. Amster is an emergency medicine physician in Rye, New York
Dr. Amster practices at The Rye Ambulatory Surgery Center in Rye, New York.
Dr. Amster's NPI, 1972706083, was assigned on June 6, 2007. Dr. Amster graduated from University of Rochester Medical Center in 1976. Dr. Amster holds California license G34265.
- NPI
- 1972706083NPI Registry (opens in a new tab)
- NPI enumeration date
- June 6, 2007
- NPI status
- Active
- Practice phone
- (914) 848-8980
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert C. Amster practices at The Rye Ambulatory Surgery Center in Rye, New York
Dr. Amster's primary practice is The Rye Ambulatory Surgery Center, at 1 Theall Rd, Rye, NY 10580. The practice phone is (914) 848-8980.
- The Rye Ambulatory Surgery Center1 Theall Rd, Rye, NY 10580Phone(914) 848-8980
Source: Dmand AI Affiliation Data
Dr. Robert C. Amster is affiliated with 2 sites of care and 4 medical groups
Dr. Amster's primary practice is The Rye Ambulatory Surgery Center in Rye, New York. The medical group on file is Serve the People Community Health Center. Dmand AI also links Dr. Amster to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert C. Amster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Amster practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Rye Ambulatory Surgery Center | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert C. Amster is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Amster's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Amster is board certified in lifetime facep by the ACEP. Dr. Amster is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Amster
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert C. Amster billed Medicare for 159 services in 2022
CMS data shows 159 Medicare services from Dr. Amster across 3 procedure codes in 2022, all of them office visits. Medicare paid $13,832 for them. Every service was in an office.
Dr. Amster's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 7722022: 15979%
- Drugs given in the office
- 2021: 1312022: 0100%
- Imaging
- 2021: 1012022: 0100%
- Tests and treatments
- 2021: 1012022: 0100%
- Other services
- 2021: 122022: 0100%
- Surgery
- 2021: 422022: 0100%
Dr. Amster compared with the New York median for emergency medicine physicians, 2022
- Dr. Amster
- New York median
- Medicare services
- 159vs 21927% below
- Part D claims
- 188vs 296.5 times
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Amster's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Amster and other emergency medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert C. Amster's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Amster's median patient age at 52, with 100% women.
Dr. Amster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Robert C. Amster wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Amster wrote 66 Medicare Part D claims for 12 patients. 89% of them were for generic drugs. They cover 9 drugs, with $1,383 in total drug cost. In 2020, CMS named 107 claims across 5 drugs.
Dr. Amster's Part D claims by kind of drug, 2024
- Generic59 claims89%
- Brand-name and other7 claims11%
Dr. Amster's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1072021: 18876%
Drugs named by CMS: 9 in 2021, 5 in 2020.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Robert C. Amster graduated from University of Rochester Medical Center
Dr. Amster graduated from University of Rochester Medical Center in 1976. Dr. Amster is a member of ACEP.
- Medical school
- Board certified in lifetime facep
- Board certified in occupational medicine
Source: Dmand AI Professional Profile Data
Dr. Robert C. Amster accepts plans from 6 insurance carriers
Dr. Amster is in network with 6 carriers, including Excellus BlueCross BlueShield, United Healthcare and Aspirus Health Plan. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
- HCSC
Plan types Dr. Amster accepts, by number of carriers
- PPO4
- POS3
- EPO2
- HMO2
- Medicare2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert C. Amster's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert C. Amster
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert C. Amster's NPI number?
Dr. Robert C. Amster's NPI number is 1972706083. It was assigned on June 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert C. Amster?
Dr. Robert C. Amster is an emergency medicine physician in Rye, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Robert C. Amster practice?
Dr. Amster practices at 1 Theall Rd, Rye, NY 10580. Dr. Amster's primary practice is The Rye Ambulatory Surgery Center in Rye, New York. Dmand AI also links Dr. Amster to 3 medical groups and 1 group practice or clinic.
What is Dr. Robert C. Amster's office phone number?
The practice phone on file for Dr. Amster is (914) 848-8980.
What is Dr. Robert C. Amster's medical license number?
Dr. Amster holds California license G34265.
What medical group is Dr. Robert C. Amster part of?
Dr. Amster is linked to Serve the People Community Health Center. Dmand AI links Dr. Amster to 3 more medical groups.
Does Dr. Robert C. Amster accept Medicare?
Yes. CMS data shows Dr. Amster billed Medicare for 159 services in 2022.
Is Dr. Robert C. Amster board certified?
Yes. Dr. Amster is board certified in lifetime facep by the ACEP.
What services does Dr. Robert C. Amster bill to Medicare?
In 2022, Dr. Amster's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99203) and office visit, new patient (99204).
Where did Dr. Robert C. Amster go to medical school?
Dr. Amster graduated from University of Rochester Medical Center in 1976.
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What drugs does Dr. Robert C. Amster prescribe most?
In 2021 Medicare Part D data, Dr. Amster's most prescribed drugs by claims were Cephalexin, Ciprofloxacin HCl and Sulfamethoxazole-Trimethoprim.
How long has Dr. Robert C. Amster been practicing?
Dr. Amster graduated from medical school in 1976, 50 years ago.
What insurance does Dr. Robert C. Amster accept?
Dr. Amster is in network with 6 carriers, including Excellus BlueCross BlueShield, United Healthcare and Aspirus Health Plan. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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