Jakow Diener, M.D.
Medical Oncology Physician · Bethlehem, NH
Jakow Diener, M.D. is a medical oncology physician with a practice address in Bethlehem, New Hampshire, and NPI 1902872971, issued on Feb 28, 2006. Check the license (New Hampshire 12255, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Jakow Diener
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 12255 NH
Self-reported in NPPES; status is on the state search - Practice location
- 360 Brook RD, Bethlehem, NH 03574
- Phone
- (603) 616-9916
- Enumerated
- Feb 28, 2006
- Record last updated
- Jul 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 80300008 NH
1010617 VT
0196371 OH - Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 30 in New Hampshire → Look up another NPI →
Verify Jakow Diener in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 12255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average medical oncology physician in 2024
31 Medicare Part D claims, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Ajovy Autoinjector11 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.
Jakow Diener among 30 medical oncology physician records in New Hampshire
Jakow Diener, M.D. is one of 30 medical oncology physician records with a practice address in New Hampshire. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 50% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 medical oncology physician record lists a practice address in Bethlehem
They are 1 of the 27 NPPES records with a practice address in Bethlehem, and 30 medical oncology physician records in New Hampshire.
All 30 in New Hampshire → Every provider in Bethlehem → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- James Nickerson, M.D.Keene, NH 034311811950843
- Christine Alewine, M.D./ PH.D.Lebanon, NH 037561336314533
- Bradley Arrick, M.D., PH.D.Lebanon, NH 037561265453484
- Gabriel Brooks, MDLebanon, NH 037561366598955
- Mary Chamberlin, MDLebanon, NH 037561841302593
- Tyler Curiel, M.D.Lebanon, NH 037561184799256
- Ethan Dmitrovsky, M.D.Lebanon, NH 037561346347689
- Jason Faris, MDLebanon, NH 037561134255813
Common questions
What is Jakow Diener, M.D.'s NPI number?
Jakow Diener, M.D.'s National Provider Identifier (NPI) is 1902872971, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jakow Diener, M.D. located?
The NPPES record lists a practice address at 360 Brook RD, Bethlehem, NH, 03574. Phone: (603) 616-9916. Providers update this record themselves, so call before visiting.
How can I verify Jakow Diener, M.D.'s license?
NPPES lists New Hampshire license number 12255, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jakow Diener, M.D. prescribe under Medicare Part D?
In 2024, Jakow Diener, M.D. had 31 Medicare Part D claims; the average among medical oncology physician prescribers was 703. 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.