Peter G. Sack, M.D.
Geriatric Psychiatry Physician · Bronx, NY
Peter G. Sack, M.D. is a geriatric psychiatry physician with a practice address in Bronx, New York, and NPI 1801944962, issued on Jan 8, 2007. Check the license (New York 106810, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Peter G. Sack
- Credential
- M.D.
- Primary taxonomy
- Geriatric Psychiatry Physician 2084P0805X
- License number
- 106810 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3333 Henry Hudson Pkwy, Bronx, NY 10463
- Phone
- (718) 884-6400
- Enumerated
- Jan 8, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (718) 796-0210
- Medicaid ID
- 00187628 NY
- Medicare enrollment
- Enrolled (PECOS I20110420000292); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1969
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric psychiatry physician records → All 94 in New York → Look up another NPI →
Also registered at 3333 Henry Hudson Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amnon Gotian, M.D.Gastroenterology Physician1841370871
- Ian Harnik, M.D.Gastroenterology Physician1851506737
Verify Peter G. Sack 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 106810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average geriatric psychiatry physician in 2024
176 Medicare Part D claims for 17 beneficiaries, against an average of 1,485 among the 473 providers of this specialty who prescribed in Part D.
Most prescribed
- Mirtazapine31 claims
- Aripiprazole28 claims
- Escitalopram Oxalate21 claims
- Quetiapine Fumarate15 claims
- Lamotrigine Er14 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.
Peter G. Sack among 94 geriatric psychiatry physician records in New York
Peter G. Sack, M.D. is one of 94 geriatric psychiatry physician records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 35% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated1969 · median 1989 among the 44 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 2084P0805X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Psychiatry Physician providers in New York
There are 94 geriatric psychiatry physician records in New York.
All 94 in New York → Every provider in Bronx → Geriatric Psychiatry Physician nationwide →
The 8 geriatric psychiatry physician records with the nearest ZIP codes
- Johanna Cabassa, M.DBronx, NY 104671982003380
- Gary Kennedy, MDBronx, NY 104671669543047
- Safiye Olmez, MDBronx, NY 104671295518421
- Yara Bonet-Pagan, MDBronx, NY 104701659453504
- Seshagiri Doddi, MDHarrison, NY 105281346334661
- John Gebrane, MDKatonah, NY 105361003015710
- Kamalamma Duvvi, MDMontrose, NY 105481447208160
- Carole Roc, M.D.Montrose, NY 105481174791412
Common questions
What is Peter G. Sack, M.D.'s NPI number?
Peter G. Sack, M.D.'s National Provider Identifier (NPI) is 1801944962, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Peter G. Sack, M.D. located?
The NPPES record lists a practice address at 3333 Henry Hudson Pkwy, Bronx, NY, 10463. Phone: (718) 884-6400. Providers update this record themselves, so call before visiting.
How can I verify Peter G. Sack, M.D.'s license?
NPPES lists New York license number 106810, 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 Peter G. Sack, M.D. prescribe under Medicare Part D?
In 2024, Peter G. Sack, M.D. had 176 Medicare Part D claims for 17 beneficiaries; the average among geriatric psychiatry physician prescribers was 1,485. Part D covers Medicare prescriptions only.
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.