Semin Arthritis Rheum
ElectronicsGoalsGout
Dr. Amar R. Oza, MD
NPI1316207277PAC ID0345468963
- Medicare services, 2024
- 51,064
- Medicare patients, 2024
- 481
- Part D claims, 2024
- 5,858
- Publications
- 4
- MIPS score, 2024
- 100
- Practice address
- 3500 Sheridan Dr, Buffalo, NY 14226
- Practice phone
- Call (716) 204-4263
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Buffalo Rheumatology and Medicine
Buffalo, New York
Find Dr. Oza's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Amar R. Oza is a rheumatologist in Buffalo, New York
Dr. Oza practices at Buffalo Rheumatology and Medicine in Buffalo, New York.
Dr. Oza's NPI, 1316207277, was assigned on May 24, 2012. Dr. Oza holds New York license 292646.
NPI and contact details
- NPI
- 1316207277NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345468963
- NPI enumeration date
- May 24, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 204-4263
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Amar R. Oza practices at Buffalo Rheumatology and Medicine in Buffalo, New York
Dr. Oza's primary practice is Buffalo Rheumatology and Medicine, at 3500 Sheridan Dr, Buffalo, NY 14226 in Erie County. The practice phone is (716) 204-4263.
- Buffalo Rheumatology and Medicine3500 Sheridan Dr, Buffalo, NY 14226 · Erie CountyPhone(716) 204-4263
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Amar R. Oza is affiliated with 5 sites of care and 1 medical group
Dr. Oza's primary practice is Buffalo Rheumatology and Medicine in Buffalo, New York. Dr. Oza is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is Buffalo Rheumatology and Medicine. Dmand AI also links Dr. Oza to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Buffalo Rheumatology and MedicinePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Amar R. Oza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oza practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Buffalo Rheumatology and Medicine | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Amar R. Oza is one of 514 rheumatologists in New York
Rheumatology is Dr. Oza's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dmand AI has Dr. Oza's licenses on file in 3 states: New York, Massachusetts and Rhode Island.
Specialties and state licenses
- Rheumatology, New YorkPrimary
- Massachusetts license
- Internal medicine, Rhode Island
Rheumatologists near Dr. Oza
Counts of rheumatologists 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. Amar R. Oza billed Medicare for 51,064 services in 2024
CMS data shows 51,064 Medicare services from Dr. Oza across 28 procedure codes in 2024, for 481 Medicare patients. Medicare paid $995,051 for them. Every service was in an office.
Medicare services, 202451,064
Medicare patients481
Paid by Medicare$995,051
Procedure codes28
Dr. Oza's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 33,1742024: 49,23448%
- Tests and treatments
- 2023: 1,1662024: 1,0778%
- Office and hospital visits
- 2023: 4232024: 4332%
- Imaging
- 2023: 2762024: 21124%
- Surgery
- 2023: 422024: 5736%
- Other services
- 2023: 02024: 52
Dr. Oza compared with the New York median for rheumatologists, 2024
- Dr. Oza
- New York median
- Medicare services
- 51,064vs 56590.4 times
- Medicare patients
- 481vs 1762.7 times
- Part D claims
- 5,657vs 9216.1 times
Medians across 509 rheumatologists in New York with Dmand AI profiles that report each measure.
Dr. Oza's most billed Medicare procedure codes, 2024
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amar R. Oza treated 481 Medicare patients in 2024, average age 71
CMS counts 481 Medicare patients who saw Dr. Oza in 2024. The largest group is 65 to 74, with 204 patients. 75% of them have arthritis, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Oza's median patient age at 65, with 75% women.
Medicare patients, 2024481
Average age71
Average risk score1.38
Also on Medicaid18%
Dr. Oza's Medicare patients by age, 2024
Dr. Oza's Medicare patients by sex, 2024
- Women38079%
- Men10121%
Chronic conditions among Dr. Oza's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure65%
- Osteoporosis54%
- Mood disorders35%
- Anxiety33%
- Depression30%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Oza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women75%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Amar R. Oza wrote 5,858 Medicare Part D claims in 2024
In 2024, Dr. Oza wrote 5,858 Medicare Part D claims for 778 patients. 80% of them were for generic drugs. CMS names the drug for 5,657 of them, across 52 drugs with 11 or more claims each, at $7,930,530 in total drug cost. In 2023, CMS named 4,812 claims across 48 drugs.
Part D claims, 20245,858
Drugs named by CMS52
Total drug cost$7.9M
Part D patients778
Dr. Oza's Part D claims by kind of drug, 2024
- Generic4,707 claims80%
- Brand-name and other1,151 claims20%
Dr. Oza's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,8122024: 5,65718%
Drugs named by CMS: 52 in 2024, 48 in 2023.
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
Dr. Amar R. Oza scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Oza for performance year 2024, reported as part of a group. Dr. Oza accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Oza's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Amar R. Oza has 4 publications on record
Dmand AI links 4 papers to Dr. Oza, published from 2017 to 2020. The most frequent topics are Gout, Cardiovascular Diseases and Hydroxymethylglutaryl-CoA Reductase Inhibitors. Dr. Oza has published most often in Semin Arthritis Rheum. Dr. Oza's most frequent co-authors are Mark C. Fisher, MD, MPH, Marcy B. Bolster, MD and Deborah S. Collier, MD.
Papers4
Years published2017 to 2020
Dr. Oza's papers by year, 2017 to 2020
Topics Dr. Oza writes about most
- Gout
- Cardiovascular Diseases
- Hydroxymethylglutaryl-CoA Reductase Inhibitors
Dr. Oza's most frequent co-authors
- Mark C. Fisher, MD, MPH2 shared papers
- Marcy B. Bolster, MD1 shared paper
- Deborah S. Collier, MD1 shared paper
Recent publications by Dr. Oza
Semin Arthritis Rheum
Cardiovascular DiseasesGoutHydroxymethylglutaryl-CoA Reductase Inhibitors
Cardiovascular DiseasesCause of DeathHydroxymethylglutaryl-CoA Reductase Inhibitors
Age DistributionArthritis, RheumatoidGout
See who Dr. Oza researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Oza works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Amar R. Oza received $25,700 in industry payments from 2018 to 2025
CMS Open Payments shows 654 general payments to Dr. Oza from 35 drug and device companies from 2018 to 2025. Speaker and faculty fees make up the largest share, 57% of the total. Amgen Inc. paid the most, $16,818.
General payments to Dr. Oza by program year, 2018 to 2025
General payments to Dr. Oza by kind, 2018 to 2025
$25.7Kin total
- Speaker and faculty fees$14,62557%
- Food and beverage$10,87442%
- Education$2011%
Companies that paid Dr. Oza the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Amar R. Oza'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Amar R. Oza
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. Amar R. Oza's NPI number?
Dr. Amar R. Oza's NPI number is 1316207277. It was assigned on May 24, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Amar R. Oza?
Dr. Amar R. Oza is a rheumatologist in Buffalo, New York. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Amar R. Oza practice?
Dr. Oza practices at 3500 Sheridan Dr, Buffalo, NY 14226. Dr. Oza's primary practice is Buffalo Rheumatology and Medicine in Buffalo, New York. Dmand AI also links Dr. Oza to 2 hospitals and 1 group practice or clinic.
What is Dr. Amar R. Oza's office phone number?
The practice phone on file for Dr. Oza is (716) 204-4263.
What is Dr. Amar R. Oza's medical license number?
Dr. Oza holds New York license 292646, one of the licenses on file in 3 states.
Which states has Dr. Amar R. Oza been licensed in?
Dmand AI has state licenses on file for Dr. Oza in New York, Massachusetts and Rhode Island.
Which hospitals is Dr. Amar R. Oza affiliated with?
Dr. Oza is affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Dr. Oza to 2 more hospitals.
What medical group is Dr. Amar R. Oza part of?
Dr. Oza is linked to Buffalo Rheumatology and Medicine.
Does Dr. Amar R. Oza accept Medicare?
Yes. CMS data shows Dr. Oza billed Medicare for 51,064 services in 2024, and Dr. Oza accepts Medicare assignment.
What is Dr. Amar R. Oza's MIPS score?
Dr. Oza's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Amar R. Oza see?
CMS counts 481 Medicare patients who saw Dr. Oza in 2024, with an average age of 71.
What services does Dr. Amar R. Oza bill to Medicare?
In 2024, Dr. Oza's most billed Medicare services were injected or infused drug (J0897), injected or infused drug (J1602) and injected or infused drug (J3111).
What drugs does Dr. Amar R. Oza prescribe most?
In 2024 Medicare Part D data, Dr. Oza's most prescribed drugs by claims were Methotrexate, Hydroxychloroquine Sulfate and Prednisone.
Has Dr. Amar R. Oza received payments from drug or device companies?
CMS Open Payments shows $25,700 in general payments to Dr. Oza from 35 companies from 2018 to 2025. The largest total came from Amgen Inc.
How long has Dr. Amar R. Oza been practicing?
Dr. Oza graduated from medical school in 2012, 14 years ago.
Does Dr. Amar R. Oza do research?
Dmand AI links 4 publications to Dr. Oza, published from 2017 to 2020.
Who does Dr. Amar R. Oza publish with?
Dr. Oza's most frequent co-authors are Mark C. Fisher, MD, MPH (2 shared papers), Marcy B. Bolster, MD (1 shared paper) and Deborah S. Collier, MD (1 shared paper).
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