Stephen M. Mulrooney, M.D.,F.A.C.G
Internal Medicine Physician · New York, NY
Stephen M. Mulrooney, M.D.,F.A.C.G is an internal medicine physician with a practice address in New York, New York, and NPI 1700880168, issued on Jun 13, 2005. Check the license (New York 168802, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Stephen M. Mulrooney
- Credential
- M.D.,F.A.C.G
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 168802 NY
Self-reported in NPPES; status is on the state search - Practice location
- 31 Washington SQ W, New York, NY 10011
- Phone
- (212) 358-9123
- Enumerated
- Jun 13, 2005
- Record last updated
- Sep 11, 2025
- Fax
- (212) 358-1075
- Medicaid ID
- 1512385 NY
- Medicare enrollment
- Enrolled (PECOS I20050812000219); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 31 Washington SQ W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen M. Mulrooney 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 168802Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
332 Medicare Part D claims for 127 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Pantoprazole Sodium110 claims
- Omeprazole52 claims
- Famotidine28 claims
- Buspirone Hcl14 claims
- Dicyclomine Hcl13 claims
- Sucralfate13 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 MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,002.55
41 payments; by number, the most common kind was food and beverage; the largest payer was Evoke Pharma, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- North Shore Medical Group OF The Mount Sinai School OF MedicineOceanside, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen M. Mulrooney among 12,067 internal medicine physician records in New York
Stephen M. Mulrooney, M.D.,F.A.C.G is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1985 · median 2002 among the 7,221 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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Common questions
What is Stephen M. Mulrooney, M.D.,F.A.C.G's NPI number?
Stephen M. Mulrooney, M.D.,F.A.C.G's National Provider Identifier (NPI) is 1700880168, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen M. Mulrooney, M.D.,F.A.C.G located?
The NPPES record lists a practice address at 31 Washington SQ W, New York, NY, 10011. Phone: (212) 358-9123. Providers update this record themselves, so call before visiting.
How can I verify Stephen M. Mulrooney, M.D.,F.A.C.G's license?
NPPES lists New York license number 168802, 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 Stephen M. Mulrooney, M.D.,F.A.C.G prescribe under Medicare Part D?
In 2024, Stephen M. Mulrooney, M.D.,F.A.C.G had 332 Medicare Part D claims for 127 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Stephen M. Mulrooney, M.D.,F.A.C.G's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. 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.