GARY L GRASMICK (M.D.) – Family Medicine Physician, NPI 1225011133

Family Medicine Physician

GARY L GRASMICK (M.D.) is a healthcare provider. based in Boulder, Colorado. specializing in Family Medicine Physician. They hold the professional credentials M.D.. They hold a License No. DR.0038232 (CO). The NPI Number for GARY L GRASMICK (M.D.) is 1225011133

Main info

Male

28 Years Of Experience

Accepts Medicare Assignment

Name

GARY L GRASMICK (M.D.)

NPI

1225011133

Phone

(303) 415-5816

Address

5450 WESTERN AVE STE B

Enumeration Date

23 November 2005

Last Update Date

11 February 2020

Doctor Profile

Medical School Name

UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER

Secondary Phone

3034155816

Graduation Year

1998 (28 years ago)

PAC ID

6406950237

Group Practice PAC ID

6800707233

Professional Enrollment ID

I20070403000486

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience64

Completeness75

Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for GARY L GRASMICK (M.D.)

Western Avenue, Boulder, Boulder County, Colorado, 80303-1229, United States
BOULDER, CO 803012709
Phone: (303) 415-5816
Fax: (303) 293-0625
Type: Mailing
Erie Parkway, Erie, Weld County, Colorado, 80516, United States
ERIE, CO 805164072
Phone: (303) 415-5816
Fax: (303) 293-0625
Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCS	Description	Services	Beneficiaries	Medicare allowed
99214	Established patient office or other outpatient visit, 30-39 minutes	24	21	$0
99213	Established patient office or other outpatient visit, 20-29 minutes	16	15	$0

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Insurance plans in this area (ZIP 80301)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 6800707233View full group profile

Name	Specialty	State
MS. PRACHI TONI PATEL (D.O.)	-	CO
DR. HERMAN ANDREW DAMEK (M.D.)	Family Practice	CO
DR. ELIZABETH SHANNON ELLIOT (D.O.)	Internal Medicine	MI
MR. BRIAN NEIL FORMAN (D.P.T.)	-	CO
TODD ANDREW BIGATEL (M.D.)	Hospitalist, Internal Medicine	CO
PANTELIS HADJIZACHARIA (M.D.)	Vascular Surgery	CO
RADHIKA MENON (PT)	-	CO
ANDREW JAMES MCBRIDE (M.D.)	-	CO
DR. SANTIAGO DE LA GARZA (M.D.)	Internal Medicine	CO
DR. SRINIVAS IYENGAR (M.D.)	Cardiovascular Disease (Cardiology), Interventional Cardiology	CO