Christopher Diamond, MD
Family Medicine Physician · Manchester, NH
Christopher Diamond, MD is a family medicine physician with a practice address in Manchester, New Hampshire, and NPI 1326046624, issued on Jul 11, 2005. Check the license (New Hampshire 19123, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Christopher Diamond
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 19123 NH
Self-reported in NPPES; status is on the state search - Practice location
- 145 Hollis St, Manchester, NH 03101
- Phone
- (603) 626-9500
- Enumerated
- Jul 11, 2005
- Record last updated
- Aug 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20050719000061); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 816 in New Hampshire → Look up another NPI →
Also registered at 145 Hollis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christopher Diamond in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 19123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Amoskeag HealthManchester, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Diamond among 816 family medicine physician records in New Hampshire
Christopher Diamond, MD is one of 816 family medicine 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, 87% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1994 · median 2003 among the 498 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 family medicine physician records list a practice address in Manchester
They are 43 of the 4,401 NPPES records with a practice address in Manchester, and 816 family medicine physician records in New Hampshire.
All 816 in New Hampshire → Every provider in Manchester → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nadine Byers, DOManchester, NH 031011053833806
- Elizabeth Chang, FNP-BCManchester, NH 031011861259038
- Mary Cullen, DOManchester, NH 031011073710539
- Laura Fry, MDManchester, NH 031011255328563
- Peter Kiprop, M.DManchester, NH 031011093973059
- J Gavin Muir, MDManchester, NH 031011629071899
- Katherine Peters, D.O.Manchester, NH 031011982998522
- Amy Siemanowicz, APRNManchester, NH 031011285324889
Common questions
What is Christopher Diamond, MD's NPI number?
Christopher Diamond, MD's National Provider Identifier (NPI) is 1326046624, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Diamond, MD located?
The NPPES record lists a practice address at 145 Hollis St, Manchester, NH, 03101. Phone: (603) 626-9500. Providers update this record themselves, so call before visiting.
How can I verify Christopher Diamond, MD's license?
NPPES lists New Hampshire license number 19123, 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. 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.