Gregory Stephen Janis, M.D.
Cardiovascular Disease Physician · New York, NY
Gregory Stephen Janis, M.D. is a cardiovascular disease physician with a practice address in New York, New York, and NPI 1780821629, issued on Jan 14, 2009. Check the license (New York 235949, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory Stephen Janis
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 235949 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5 Columbus Cir, New York, NY 10019
- Phone
- (212) 376-3180
- Enumerated
- Jan 14, 2009
- Record last updated
- May 11, 2026
- Medicare enrollment
- Enrolled (PECOS I20090903000198); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,583 in New York → Look up another NPI →
Also registered at 5 Columbus Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marielle Araujo, MDPhysical Medicine & Rehabilitation Physician1417530841
- Adriana CampbellCounselor1275378283
- Simone Chad-Friedman, PHDPsychologist1518708676
- Alexander Christian, MDChild & Adolescent Psychiatry Physician1215490040
- Victoria Conway, LMSWSocial Worker1801579578
- Devante CunninghamPsychologist1447996772
Verify Gregory Stephen Janis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 235949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,945 Medicare Part D claims for 681 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Rosuvastatin Calcium852 claims
- Atorvastatin Calcium612 claims
- Amlodipine Besylate512 claims
- Olmesartan Medoxomil459 claims
- Metoprolol Succinate355 claims
- Eliquis294 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $113.97
4 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Stephen Janis among 2,583 cardiovascular disease physician records in New York
Gregory Stephen Janis, M.D. is one of 2,583 cardiovascular disease physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 73% of them.
- NPI issued2009 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2002 · median 1998 among the 1,896 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in New York
There are 2,583 cardiovascular disease physician records in New York.
All 2,583 in New York → Every provider in New York → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Inna Bukharovich, M.D.New York, NY 100191801873971
- Luciano Delguzzo, MDNew York, NY 100191457308876
- Olivier Frankenberger, MDNew York, NY 100191902882327
- Patrick Fratellone, MDNew York, NY 100191851347173
- Henry Greenberg, M.D.New York, NY 100191639162555
- Eyal Herzog, M.D.New York, NY 100191205831401
- Bette Kim, M.D.New York, NY 100191023095171
- Franz Messerli, M.D.New York, NY 100191457344251
Common questions
What is Gregory Stephen Janis, M.D.'s NPI number?
Gregory Stephen Janis, M.D.'s National Provider Identifier (NPI) is 1780821629, issued on Jan 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Stephen Janis, M.D. located?
The NPPES record lists a practice address at 5 Columbus Cir, New York, NY, 10019. Phone: (212) 376-3180. Providers update this record themselves, so call before visiting.
How can I verify Gregory Stephen Janis, M.D.'s license?
NPPES lists New York license number 235949, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Stephen Janis, M.D. prescribe under Medicare Part D?
In 2024, Gregory Stephen Janis, M.D. had 4,945 Medicare Part D claims for 681 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Gregory Stephen Janis, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.