Jacob Messing, M.D.
Psychiatry Physician · New York, NY
Jacob Messing, M.D. is a psychiatry physician with a practice address in New York, New York, and NPI 1497089668, issued on Sep 21, 2009. Check the license (New York 254549, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jacob Messing
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 254549 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1090 Amsterdam Ave, New York, NY 10025
- Phone
- (212) 523-6686
- Enumerated
- Sep 21, 2009
- Record last updated
- Sep 21, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120614000198); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2007
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 1090 Amsterdam Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jacob Messing 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 254549Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatry physician in 2024
66 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Naltrexone Hcl14 claims
- Doxepin Hcl13 claims
- Escitalopram Oxalate11 claims
- Lamotrigine11 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.
Bills Medicare through one group practice
- Weill Medical College OF CornellNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Messing among 6,589 psychiatry physician records in New York
Jacob Messing, M.D. is one of 6,589 psychiatry physician records with a practice address in New York. 72% 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 62% of them.
- NPI issued2009 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2007 · median 2002 among the 2,559 with a school on file
- Record last updated2009 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,604 psychiatry physician records list a practice address in New York
They are 2,604 of the 98,468 NPPES records with a practice address in New York, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in New York → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
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- Clarence Chen, M.D.New York, NY 100251770534430
- Judith Ebenstein, MDNew York, NY 100251851381446
- Lauren Gorman, MDNew York, NY 100251053311340
- Michael Grin, MDNew York, NY 100251174556930
- Clemens Heiderhoff, MDNew York, NY 100251457383267
- Aleksandra Krunic, MDNew York, NY 100251427032333
Common questions
What is Jacob Messing, M.D.'s NPI number?
Jacob Messing, M.D.'s National Provider Identifier (NPI) is 1497089668, issued on Sep 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Messing, M.D. located?
The NPPES record lists a practice address at 1090 Amsterdam Ave, New York, NY, 10025. Phone: (212) 523-6686. Providers update this record themselves, so call before visiting.
How can I verify Jacob Messing, M.D.'s license?
NPPES lists New York license number 254549, 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 Jacob Messing, M.D. prescribe under Medicare Part D?
In 2024, Jacob Messing, M.D. had 66 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.