Douglas J. Weckstein, MD
Hematology & Oncology Physician · Concord, NH
Douglas J. Weckstein, MD is a hematology & oncology physician with a practice address in Concord, New Hampshire, and NPI 1710971684, issued on Sep 7, 2005. Check the license (New Hampshire 10352, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Douglas J. Weckstein
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 10352 NH
Self-reported in NPPES; status is on the state search - Practice location
- 250 Pleasant St, Concord, NH 03301
- Phone
- (603) 314-6879
- Enumerated
- Sep 7, 2005
- Record last updated
- Jan 15, 2024
- Medicaid ID
- 30011515 NH
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 76 in New Hampshire → Look up another NPI →
Also registered at 250 Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Abdalla, DOHospitalist Physician1013279504
- Ruba Abdullah, MDFamily Medicine Physician1336871524
- Arthur Ablayev, MDHospitalist Physician1598178881
- Judith Ainsworth, APRNFamily Nurse Practitioner1023473881
- D. Akey, MDPulmonary Disease Physician1629015995
- Mathew AllardStudent in an Organized Health Care Education/Training Program1477499515
Verify Douglas J. Weckstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 10352Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
185 Medicare Part D claims for 61 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Anastrozole19 claims
- Prednisone17 claims
- Tamoxifen Citrate15 claims
- Eliquis12 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.
Douglas J. Weckstein among 76 hematology & oncology physician records in New Hampshire
Douglas J. Weckstein, MD is one of 76 hematology & oncology physician records with a practice address in New Hampshire. 87% 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, 88% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New Hampshire
There are 76 hematology & oncology physician records in New Hampshire.
All 76 in New Hampshire → Every provider in Concord → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Frederick Briccetti, MDConcord, NH 033011063406932
- Michael Buff, MDConcord, NH 033011699811547
- Charles Catcher, MDConcord, NH 033011114978749
- Gina Divenuti, MDConcord, NH 033011912958703
- Josy Mathew, MBBS, MDConcord, NH 033011174715247
- Meredith Selleck, MDConcord, NH 033011417908211
- Jeanna Walsh, MDConcord, NH 033011922022540
- Steven Larmon, MDKeene, NH 034311114943974
Common questions
What is Douglas J. Weckstein, MD's NPI number?
Douglas J. Weckstein, MD's National Provider Identifier (NPI) is 1710971684, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Douglas J. Weckstein, MD located?
The NPPES record lists a practice address at 250 Pleasant St, Concord, NH, 03301. Phone: (603) 314-6879. Providers update this record themselves, so call before visiting.
How can I verify Douglas J. Weckstein, MD's license?
NPPES lists New Hampshire license number 10352, 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 Douglas J. Weckstein, MD prescribe under Medicare Part D?
In 2024, Douglas J. Weckstein, MD had 185 Medicare Part D claims for 61 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.