Jonathan Koblenzer, M.D.
Geriatric Psychiatry Physician · New York, NY
Jonathan Koblenzer, M.D. is a geriatric psychiatry physician with a practice address in New York, New York, and NPI 1073616199, issued on Sep 6, 2006. Check the license (New York 148833, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jonathan Koblenzer
- Credential
- M.D.
- Primary taxonomy
- Geriatric Psychiatry Physician 2084P0805X
- License number
- 148833 NY
Self-reported in NPPES; status is on the state search - Practice location
- 16 E 79TH St, New York, NY 10021
- Phone
- (212) 794-7115
- Enumerated
- Sep 6, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (212) 585-2178
- Medicaid ID
- 01127682 NY
- Entity
- Type 1 · individual
8 nearest geriatric psychiatry physician records → All 94 in New York → Look up another NPI →
Also registered at 16 E 79TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seth Aidinoff, MDPsychiatry Physician1811065782
- Karen Binder-Brynes, PH.D.Counseling Psychologist1376754754
Verify Jonathan Koblenzer 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 148833Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average geriatric psychiatry physician in 2024
301 Medicare Part D claims for 21 beneficiaries, against an average of 1,485 among the 473 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Trazodone Hcl39 claims
- Escitalopram Oxalate37 claims
- Alprazolam32 claims
- Sertraline Hcl27 claims
- Lorazepam19 claims
- Buprenorphine-Naloxone18 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.
Jonathan Koblenzer among 94 geriatric psychiatry physician records in New York
Jonathan Koblenzer, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 55% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 47% of these records are
- 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 New York → Geriatric Psychiatry Physician nationwide →
The 8 geriatric psychiatry physician records with the nearest ZIP codes
- Diana Feldman, M.D.New York, NY 100211225172075
- Donald Johannessen, MDNew York, NY 100211295800142
- Michael Lesser, M.D.New York, NY 100211528336591
- Miodrag Ristich, M.D.New York, NY 100211669527925
- Scott Schwartz, M.D.New York, NY 100211841388493
- Pui Yin Wong, M.D.New York, NY 100221538321336
- David Woo, M.D.New York, NY 100221548374960
- Jonathan Rosenfeld, M.D.New York, NY 100191174616015
Common questions
What is Jonathan Koblenzer, M.D.'s NPI number?
Jonathan Koblenzer, M.D.'s National Provider Identifier (NPI) is 1073616199, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Koblenzer, M.D. located?
The NPPES record lists a practice address at 16 E 79TH St, New York, NY, 10021. Phone: (212) 794-7115. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Koblenzer, M.D.'s license?
NPPES lists New York license number 148833, 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 Jonathan Koblenzer, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Koblenzer, M.D. had 301 Medicare Part D claims for 21 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.