DR. HAROLD R COLLARD (MD) – Critical Care Medicine (Internal Medicine) Physician, NPI 1740245380

Critical Care Medicine (Internal Medicine) Physician

DR. HAROLD R COLLARD (MD) is a healthcare provider. based in San francisco, California. specializing in Critical Care Medicine (Internal Medicine) Physician. They hold the professional credentials MD. They hold a License No. A68143 (CA). The NPI Number for DR. HAROLD R COLLARD (MD) is 1740245380

Main info

Male

29 Years Of Experience

Accepts Medicare Assignment

Name

DR. HAROLD R COLLARD (MD)

NPI

1740245380

Phone

(415) 476-4029

Address

1635 DIVISADERO ST

Enumeration Date

18 April 2006

Last Update Date

11 September 2025

Doctor Profile

Medical School Name

DUKE UNIVERSITY SCHOOL OF MEDICINE

Secondary Phone

4154761000

Graduation Year

1997 (29 years ago)

PAC ID

3476541707

Group Practice PAC ID

4486567229

Professional Enrollment ID

I20050608001105

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience64

Completeness85

Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. HAROLD R COLLARD (MD)

1635, Divisadero Street, Western Addition, San Francisco, California, 94115, United States
STE 625, BOX 1821
SAN FRANCISCO, CA 941430001
Phone: (415) 476-4029
Fax: (415) 476-4150
Type: Mailing
Ambulatory Care Center, 400, Parnassus Avenue, Cole Valley, San Francisco, California, 94117, United States
SAN FRANCISCO, CA 941432202
Phone: (415) 353-2961
Fax: (415) 353-2568
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.

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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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 94143)

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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: 4486567229View full group profile

Name	Specialty	State
DR. ALEJANDRA GABRIELA DE ALBA CAMPOMANES (MD, MPH)	O P H T H A L M O L O G Y	CA
DR. RITU BANSAL	Hospitalist, Internal Medicine	CA
MS. LINDSAY GRACE MANN (FNP)	-	CA
WILLIAM SHYY (M.D.)	-	CA
WENDY ILETA COOK (PA-C)	Physician Assistant	CA
IULIA IRINA GAMBRO (PHD)	-	CA
DR. MICHAEL J COUGHLIN (MD)	-	ID
DR. JARED ANDREW NARVID (M.D.)	Diagnostic Radiology	CA
DR. RAJESH K DAFTARY (MD)	-	MD
TIMOTHY LANG TAN (M.D.)	Orthopedic Surgery	CA

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Frequently asked questions

Where can patients find DR. HAROLD R COLLARD (MD)'s NPI?

You can confirm DR. HAROLD R COLLARD (MD) with NPI 1740245380; it appears in the national provider directory.

Is DR. HAROLD R COLLARD (MD)'s enrollment marked active?

An active flag here means the NPI record is not in a deactivated state.

What does DR. HAROLD R COLLARD (MD) treat or focus on?

Patients typically see DR. HAROLD R COLLARD (MD) under the specialty Critical Care Medicine (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.

Does DR. HAROLD R COLLARD (MD) practice in California?

You will see San Francisco, California on file for DR. HAROLD R COLLARD (MD) alongside any extra practice locations.

What if San Francisco, California seems incomplete?

Street-level detail can be omitted — open the full address list for this NPI.