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JOHN G GRANTHAM M.D.
NPI 1992789614
Radiology - Diagnostic Radiology in Boulder, CO

Active since December 06, 2005
2750 BROADWAY ST, BOULDER, CO 80304(303) 440-3000 Get Directions Write a Review

NPPES record last updated: October 31, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John G Grantham M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN G GRANTHAM M.D. (NPI 1992789614) is an individual diagnostic radiology provider in Boulder, Colorado, licensed in Colorado (26497) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1992789614
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameJOHN G GRANTHAMCredential: M.D.
Location Address2750 BROADWAY STBoulder, CO 80304-3573
Mailing Address2750 Broadway StBoulder, CO 80304-3573 · (303) 440-3000
Phone(303) 440-3000
Sole ProprietorNo
Enumeration DateDecember 6, 2005
Last NPPES UpdateOctober 31, 2012
✔ NPI 1992789614 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CO · 26497
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
2750 BROADWAY ST, Boulder, CO 80304
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified12258CO
Medicare UPIND24801

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

REFORM HEALTH & REHAB, LLC
Physical Therapist
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3034
MARILYN NEWSOM M.D.
Psychiatry & Neurology (Neurology)
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3000
JILL SIEGFRIED M.D.
Family Medicine
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3000
MRS. KAREN BANT-KREUTZER ANP-C
Nurse Practitioner (Adult Health)
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3000
ALEXANDRA MARIE PARSHALL AU.D.
Audiologist-Hearing Aid Fitter
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3073
KARIN SUSSKIND M.D.
Family Medicine
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3000
DR. EMILY K WARD M.D.
Internal Medicine (Gastroenterology)
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3216
JENNIFER B GRODBERG MD
Internal Medicine
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3082

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Grantham's NPI number?

The NPI number for John Grantham is 1992789614. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is John Grantham located?

John Grantham practices at 2750 Broadway St, Boulder, CO 80304. The listed phone number is (303) 440-3000.

What is John Grantham's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for John Grantham was last updated on October 31, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.