Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jehane C Johnston, MD

Internal Medicine Physician in Dedham, MA · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1235136508

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Registry record

Entity type Individual (Type 1)

Name Jehane C Johnston

Credential MD

Sex Female

Practice address 1 Lyons St, Dedham, MA, 02026

Phone (781) 493-3570

Fax (781) 326-0221

Enumeration date Jul 1, 2005

Last updated in NPPES Feb 18, 2021

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 150831 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
3162176	Other	-	MASS HEALTH
150831	Other	-	TUFTS COMMONWEALTH PPO
5439345	Other	-	CIGNA HEALTH CARE
J16873	Other	-	BLUE SHIELD-INDEMNITY
5439345	Other	MA	HEALTHSOURCE
66587	Other	-	HARVARD/PILGRIM
66587	Other	-	HARVARD PILGRIM POS
A21550	Other	-	MEDICARE
J16673	Other	-	BS-BLUE CARE ELECT
J16873	Other	-	HMO BLUE/BLUE CHOICE
150831	Other	-	TUFTS
27544	Other	-	CHILDREN'S MEDICAL SEC.
66587	Other	-	HARVARD PILGRIM PPO
J16873	Other	MA	BCBS
3162176	Medicaid	MA	-
110159467	Other	-	RAILROAD/MEDICARE
150831	Other	-	TUFTS BENEFIT ADMIN
G32493	Other	-	FIRST SENIORITY

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.

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Frequently asked questions

How do I verify Jehane Johnston's NPI record?

Cross-check NPI 1235136508 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1235136508 active?

Yes, as of the latest NPPES snapshot, NPI 1235136508 is active (record last updated 2021-02-18).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-18.