William Stephan, M.D.
Pulmonary Disease Physician · Nashua, NH
William Stephan, M.D. is a pulmonary disease physician with a practice address in Nashua, New Hampshire, and NPI 1033196720, issued on Dec 23, 2005. Check the license (New Hampshire 10707, as entered in NPPES) on the New Hampshire Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Stephan
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 10707 NH
Self-reported in NPPES; status is on the state search - Practice location
- 168 Kinsley St, Nashua, NH 03060
- Phone
- (603) 889-4131
- Enumerated
- Dec 23, 2005
- Record last updated
- May 13, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 80002937 NH
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 86 in New Hampshire → Look up another NPI →
Also registered at 168 Kinsley St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Prasanna Gulur, M.D.Gastroenterology Physician1164443750
Verify William Stephan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 10707Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Stephan among 86 pulmonary disease physician records in New Hampshire
William Stephan, M.D. is one of 86 pulmonary disease physician records with a practice address in New Hampshire. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileNo · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 80% of these records are
- Record last updated2013 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in New Hampshire
There are 86 pulmonary disease physician records in New Hampshire. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 86 in New Hampshire → Every provider in Nashua → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Naim Aoun, M.D.Nashua, NH 030601457323354
- Christopher Daigle, M.D.Nashua, NH 030601861503567
- Gregory Fanaras, M.D.Nashua, NH 030601164409892
- Joseph Hou, MDNashua, NH 030601164487781
- Branko Kesler, MDNashua, NH 030601659366193
- Mark Pohlman, M.D.Nashua, NH 030601700044641
- Eduardo Velez Calderon, MDNashua, NH 030601154340271
- Michael Laidlaw, MDDerry, NH 030381952342016
Common questions
What is William Stephan, M.D.'s NPI number?
William Stephan, M.D.'s National Provider Identifier (NPI) is 1033196720, issued on Dec 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Stephan, M.D. located?
The NPPES record lists a practice address at 168 Kinsley St, Nashua, NH, 03060. Phone: (603) 889-4131. Providers update this record themselves, so call before visiting.
How can I verify William Stephan, M.D.'s license?
NPPES lists New Hampshire license number 10707, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.