John F. Keohan, DDS
Dentist · Cambridge, MA
John F. Keohan, DDS is a dentist with a practice address in Cambridge, Massachusetts, and NPI 1588783252, issued on Mar 27, 2007. Check the license (Massachusetts 10909, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John F. Keohan
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 10909 MA
Self-reported in NPPES; status is on the state search - Practice location
- 310 Cambridge St, Cambridge, MA 02141
- Phone
- (617) 876-7238
- Enumerated
- Mar 27, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (617) 868-8650
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,934 in Massachusetts → Look up another NPI →
Also registered at 310 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christina Knight, N.P.Nurse Practitioner1134172422
Verify John F. Keohan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 10909Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John F. Keohan among 2,934 dentist records in Massachusetts
John F. Keohan, DDS is one of 2,934 dentist records with a practice address in Massachusetts. 58% 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 2007, is newer than 12% of them.
- NPI issued2007 · 12% of these records are older, 77% newer
- In a Medicare fileNo · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 dentist records list a practice address in Cambridge
They are 60 of the 5,145 NPPES records with a practice address in Cambridge, and 2,934 dentist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,934 in Massachusetts → Every provider in Cambridge → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jennifer Eitutis, DMDCambridge, MA 021411679868756
- Roozbeh Kashefi, D.M.D.Cambridge, MA 021411790997013
- Mustafa Khalil, D.D.S.Cambridge, MA 021411154474922
- Courtney Knapik, DMDCambridge, MA 021411194173716
- Hyunah Lee, DMDCambridge, MA 021411851842231
- David MendelovitzCambridge, MA 021411376033936
- Jennifer Zysk, D.M.D.Cambridge, MA 021411689010530
- Leah BriscoeCambridge, MA 021421659119279
Common questions
What is John F. Keohan, DDS's NPI number?
John F. Keohan, DDS's National Provider Identifier (NPI) is 1588783252, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John F. Keohan, DDS located?
The NPPES record lists a practice address at 310 Cambridge St, Cambridge, MA, 02141. Phone: (617) 876-7238. Providers update this record themselves, so call before visiting.
How can I verify John F. Keohan, DDS's license?
NPPES lists Massachusetts license number 10909, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
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.