Peter Boylston Delfausse, M.D.
Psychiatry Physician · Concord, NH
Peter Boylston Delfausse, M.D. is a psychiatry physician with a practice address in Concord, New Hampshire, and NPI 1891744272, issued on May 10, 2006. Check the license (New Hampshire 5175, 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
- Peter Boylston Delfausse
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 5175 NH
Self-reported in NPPES; status is on the state search - Practice location
- 99 Pleasant St, Concord, NH 03301
- Phone
- (603) 271-5263
- Enumerated
- May 10, 2006
- Record last updated
- Sep 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (603) 271-5209
- Medicaid ID
- 41263521 NH
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 263 in New Hampshire → Look up another NPI →
Also registered at 99 Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Blevens, LICSWClinical Social Worker1851189153
- Theodore Blumenthal, MAMental Health Counselor1124816764
- Michele CanningMental Health Counselor1790211464
- Justin LorsbachMental Health Counselor1699564708
- Samuel YenPsychiatric/Mental Health Nurse Practitioner1083471106
Verify Peter Boylston Delfausse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 5175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Peter Boylston Delfausse among 263 psychiatry physician records in New Hampshire
Peter Boylston Delfausse, M.D. is one of 263 psychiatry physician records with a practice address in New Hampshire. 71% 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 54% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2011 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 psychiatry physician records list a practice address in Concord
They are 31 of the 3,103 NPPES records with a practice address in Concord, and 263 psychiatry physician records in New Hampshire. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 263 in New Hampshire → Every provider in Concord → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Rebecca Andrew, M.D.Concord, NH 033011265486088
- R. Barrnett, M.D.Concord, NH 033011093734519
- David Bonacci, MDConcord, NH 033011295750966
- Paul Brown, MDConcord, NH 033011750323739
- David Coursin, MDConcord, NH 033011912926239
- Alexander De Nesnera, M.D.Concord, NH 033011457300030
- Osvaldo Evangelista, MDConcord, NH 033011780653501
- Richard Ferrell, M.D.Concord, NH 033011366492258
Common questions
What is Peter Boylston Delfausse, M.D.'s NPI number?
Peter Boylston Delfausse, M.D.'s National Provider Identifier (NPI) is 1891744272, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Boylston Delfausse, M.D. located?
The NPPES record lists a practice address at 99 Pleasant St, Concord, NH, 03301. Phone: (603) 271-5263. Providers update this record themselves, so call before visiting.
How can I verify Peter Boylston Delfausse, M.D.'s license?
NPPES lists New Hampshire license number 5175, 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.