Leonard Wasserman, M.D.
Obstetrics & Gynecology Physician · Nashua, NH
Leonard Wasserman, M.D. is an obstetrics & gynecology physician with a practice address in Nashua, New Hampshire, and NPI 1902882962, issued on Dec 21, 2005. Check the license (New Hampshire 6838, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Leonard Wasserman
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 6838 NH
Self-reported in NPPES; status is on the state search - Practice location
- 168 Kinsley St Ste 20, Nashua, NH 03060
- Phone
- (603) 883-3365
- Enumerated
- Dec 21, 2005
- Record last updated
- Sep 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (603) 883-5758
- Medicaid IDs
- 30005497 NH
3076900 NH - Medicare enrollment
- Enrolled (PECOS I20040929000248); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 240 in New Hampshire → Look up another NPI →
Also registered at 168 Kinsley St Ste 20
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Bay, APRN, CNMAdvanced Practice Midwife1568779056
- Brittney Bergeron, CNMAdvanced Practice Midwife1487035531
- Mark Conway, M.D.Obstetrics & Gynecology Physician1538145040
- Jennifer Johnson, CNMAdvanced Practice Midwife1356541791
- Rebecca KellerAdvanced Practice Midwife1811090616
- Darlaine Laviolette, CNMAdvanced Practice Midwife1568595429
Verify Leonard Wasserman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 6838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
275 Medicare Part D claims for 75 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Estradiol50 claims
- Fluconazole18 claims
- Clobetasol Propionate14 claims
- Medroxyprogesterone Acetate14 claims
- Premarin14 claims
- Nitrofurantoin Mono-Macro13 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.
The MIPS final score for 2023 (Medicare payment program): 90.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3.30
1 payment: food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St. Joseph Hospital OF Nashua NHNashua, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard Wasserman among 240 obstetrics & gynecology physician records in New Hampshire
Leonard Wasserman, M.D. is one of 240 obstetrics & gynecology physician records with a practice address in New Hampshire. 74% 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, 83% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1979 · median 2006 among the 157 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in New Hampshire
There are 240 obstetrics & gynecology physician records in New Hampshire.
All 240 in New Hampshire → Every provider in Nashua → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Monelle Bisson, MDNashua, NH 030601275527913
- Mark Conway, M.D.Nashua, NH 030601538145040
- David Deifik, MDNashua, NH 030601205853199
- Heather Feltmate, MDNashua, NH 030601972513810
- Rebecca Green, M.D.Nashua, NH 030601639139942
- Jeffrey Hubley, M.D.Nashua, NH 030601649297623
- Alyse Kanter, MDNashua, NH 030601518951250
- Janine Keever, M.D.Nashua, NH 030601952370488
Common questions
What is Leonard Wasserman, M.D.'s NPI number?
Leonard Wasserman, M.D.'s National Provider Identifier (NPI) is 1902882962, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Wasserman, M.D. located?
The NPPES record lists a practice address at 168 Kinsley St Ste 20, Nashua, NH, 03060. Phone: (603) 883-3365. Providers update this record themselves, so call before visiting.
How can I verify Leonard Wasserman, M.D.'s license?
NPPES lists New Hampshire license number 6838, 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 Leonard Wasserman, M.D. prescribe under Medicare Part D?
In 2024, Leonard Wasserman, M.D. had 275 Medicare Part D claims for 75 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Leonard Wasserman, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.