Jonathan D Holder, DO,MPH
Jonathan D Holder is a Internal Medicine Physician provider (Internal Medicine) practicing in Somerville, MA, registered in the NPPES registry with NPI 1629166244 since 2006. The credential DO stands for Doctor of Osteopathic Medicine.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1629166244 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Jonathan D Holder |
| Credential | DO,MPH |
| Sex | Male |
| Practice address | 5 MIDDLESEX AVE, Somerville, MA, 02145 |
| Phone | 6175914660 |
| Enumeration date | 2006-10-10 |
| Last updated in NPPES | 2007-07-08 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 207R00000X | Internal Medicine Physician | Primary | 76754 | MA |
DO — Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential
Copy-ready billing details
Provider: Jonathan Holder, DO,MPH NPI: 1629166244 Taxonomy: 207R00000X (Internal Medicine Physician) Address: 5 MIDDLESEX AVE, Somerville, MA, 02145
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1932230976 | Lily Cheung | Individual | Occupational Medicine Physician | Somerville, MA |
| 1427277029 | Linda Coultas | Individual | Physical Therapist | Somerville, MA |
| 1487858510 | Ron Chorzewski | Individual | Physical Therapist | Somerville, MA |
| 1184828048 | Lisa Poirier | Individual | Hand Occupational Therapist | Somerville, MA |
| 1437353455 | Sheila Strock | Individual | Speech-Language Pathologist | Somerville, MA |
| 1952505836 | Elizabeth Bowler | Individual | Physical Therapist | Somerville, MA |
| 1275737090 | Denise Balian | Individual | Occupational Therapist | Somerville, MA |
| 1780889212 | Stephen Hunt | Individual | Physical Therapy Assistant | Somerville, MA |
Verify this record
Cross-check NPI 1629166244 against the authoritative CMS record: view Jonathan D Holder on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.