Dr. Yefim Ornstein, MD
- Medicare services, 2024
- 6,815
- Medicare patients, 2024
- 400
- Part D claims, 2024
- 16,634
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 2072 Ocean Ave, Brooklyn, NY 11230-7379
- Practice phone
- Call (718) 376-2727
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yefim Ornstein M.D.
Physician office · Brooklyn, New York
Find Dr. Ornstein'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. Yefim Ornstein is an internist in Brooklyn, New York
Dr. Ornstein practices at Yefim Ornstein M.D. in Brooklyn, New York.
Dr. Ornstein's NPI, 1023050473, was assigned on June 11, 2006. Dr. Ornstein holds New York license 218264.
- NPI
- 1023050473NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729090386
- NPI enumeration date
- June 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 376-2727
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yefim Ornstein practices at Yefim Ornstein M.D. in Brooklyn, New York
Dr. Ornstein's primary practice is Yefim Ornstein M.D., at 2072 Ocean Ave, Brooklyn, NY 11230-7379. The practice phone is (718) 376-2727.
- Yefim Ornstein M.D.2072 Ocean Ave, Brooklyn, NY 11230-7379Phone(718) 376-2727
Source: Dmand AI Affiliation Data
Dr. Yefim Ornstein is affiliated with 8 sites of care
Dr. Ornstein's primary practice is Yefim Ornstein M.D. in Brooklyn, New York. Dr. Ornstein is also affiliated with Maimonides Midwood Community Hospital. Dmand AI also links Dr. Ornstein to 3 more home health agencies, 2 skilled nursing facilities and 1 hospice, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Yefim Ornstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ornstein practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yefim Ornstein M.D. | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yefim Ornstein is one of 9,643 internists in New York
Internal medicine is Dr. Ornstein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ornstein is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Ornstein
Counts of internists 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. Yefim Ornstein billed Medicare for 6,815 services in 2024
CMS data shows 6,815 Medicare services from Dr. Ornstein across 28 procedure codes in 2024, for 400 Medicare patients. Medicare paid $391,866 for them.
Dr. Ornstein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3,9832024: 3,6419%
- Tests and treatments
- 2023: 1,1752024: 1,1006%
- Other services
- 2023: 6372024: 6634%
- Surgery
- 2023: 5232024: 5434%
- Drugs given in the office
- 2023: 5122024: 5242%
- Lab and pathology
- 2023: 3222024: 3447%
Where Dr. Ornstein's Medicare services took place, 2024
- In an office6,21991%
- In a facility5969%
Dr. Ornstein compared with the New York median for internists, 2024
- Dr. Ornstein
- New York median
- Medicare services
- 6,815vs 42616.0 times
- Medicare patients
- 400vs 1582.5 times
- Part D claims
- 15,718vs 62225.3 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Ornstein'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ornstein and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yefim Ornstein treated 400 Medicare patients in 2024, average age 78
CMS counts 400 Medicare patients who saw Dr. Ornstein in 2024. The largest group is 75 to 84, with 130 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 83% are also on Medicaid. Their average risk score is 3.21, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ornstein's median patient age at 68, with 54% women.
Dr. Ornstein's Medicare patients by age, 2024
Dr. Ornstein's Medicare patients by sex, 2024
- Women24361%
- Men15739%
Chronic conditions among Dr. Ornstein's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Diabetes70%
- Arthritis68%
- Heart failure47%
- Mood disorders46%
- Alzheimer's and dementia45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ornstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women54%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yefim Ornstein wrote 16,634 Medicare Part D claims in 2024
In 2024, Dr. Ornstein wrote 16,634 Medicare Part D claims for 449 patients. 81% of them were for generic drugs. CMS names the drug for 15,718 of them, across 198 drugs with 11 or more claims each, at $1,505,165 in total drug cost. In 2023, CMS named 15,227 claims across 196 drugs.
Dr. Ornstein's Part D claims by kind of drug, 2024
- Generic13,487 claims81%
- Brand-name2,827 claims17%
- Other320 claims2%
Dr. Ornstein'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.
Drug classes CMS tracks in Dr. Ornstein's Part D claims, 2024
- Opioids0%63 of 16,634 claims
- Antibiotics1%163 of 16,634 claims
- Antipsychotics, patients 65 and over2%413 of 16,634 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 15,2272024: 15,7183%
Drugs named by CMS: 198 in 2024, 196 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. Yefim Ornstein 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. Ornstein for performance year 2024, reported individually. Dr. Ornstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ornstein's MIPS scores, performance year 2024
- 100of 100Final score
- 95of 100Quality
- 40of 100Improvement Activities
- 81of 100Cost
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. Yefim Ornstein received $117 in industry payments from 2017 to 2022
CMS Open Payments shows 8 general payments to Dr. Ornstein from 2 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $64.
General payments to Dr. Ornstein by program year, 2017 to 2022
Companies that paid Dr. Ornstein the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Yefim Ornstein'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 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) |
| 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. Yefim Ornstein
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. Yefim Ornstein's NPI number?
Dr. Yefim Ornstein's NPI number is 1023050473. It was assigned on June 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Yefim Ornstein?
Dr. Yefim Ornstein is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Yefim Ornstein practice?
Dr. Ornstein practices at 2072 Ocean Ave, Brooklyn, NY 11230-7379. Dr. Ornstein's primary practice is Yefim Ornstein M.D. in Brooklyn, New York. Dmand AI also links Dr. Ornstein to 3 home health agencies, 2 skilled nursing facilities and 1 hospice.
What is Dr. Yefim Ornstein's office phone number?
The practice phone on file for Dr. Ornstein is (718) 376-2727.
What is Dr. Yefim Ornstein's medical license number?
Dr. Ornstein holds New York license 218264.
Which hospitals is Dr. Yefim Ornstein affiliated with?
Dr. Ornstein is affiliated with Maimonides Midwood Community Hospital.
Does Dr. Yefim Ornstein accept Medicare?
Yes. CMS data shows Dr. Ornstein billed Medicare for 6,815 services in 2024, and Dr. Ornstein accepts Medicare assignment.
What is Dr. Yefim Ornstein's MIPS score?
Dr. Ornstein's MIPS final score for performance year 2024 is 100 out of 100, reported individually.
How many Medicare patients does Dr. Yefim Ornstein see?
CMS counts 400 Medicare patients who saw Dr. Ornstein in 2024, with an average age of 78.
What services does Dr. Yefim Ornstein bill to Medicare?
In 2024, Dr. Ornstein's most billed Medicare services were nursing facility care (99309), nursing facility care (99307) and office visit, established patient (99213).
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What drugs does Dr. Yefim Ornstein prescribe most?
In 2024 Medicare Part D data, Dr. Ornstein's most prescribed drugs by claims were Atorvastatin Calcium, Eliquis and Levothyroxine Sodium.
Has Dr. Yefim Ornstein received payments from drug or device companies?
CMS Open Payments shows $117 in general payments to Dr. Ornstein from 2 companies from 2017 to 2022. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Yefim Ornstein been practicing?
Dr. Ornstein graduated from medical school in 1987, 39 years ago.
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