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ROBERT P HERWICK JR. MD
NPI 1437236452
Specialist in San Francisco, CA

Active since November 01, 2006PECOS Enrolled
490 POST STREET, #700, SAN FRANCISCO, CA 94102(415) 362-2238(415) 362-7745 Get Directions Write a Review

NPPES record last updated: October 9, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Robert P Herwick Jr. Md NPPES

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

ROBERT P HERWICK JR. MD (NPI 1437236452) is an individual specialist in San Francisco, California, licensed in California (G16902) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437236452
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameROBERT P HERWICK JR.Credential: MD
Location Address490 POST STREET, #700San Francisco, CA 94102
Mailing Address490 Post Street, #700San Francisco, CA 94102 · (415) 362-2238 · Fax (415) 362-7745
Phone(415) 362-2238
Fax(415) 362-7745
Sole ProprietorNo
Enumeration DateNovember 1, 2006
Last NPPES UpdateOctober 9, 2012
✔ NPI 1437236452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · G16902
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
490 POST STREET, San Francisco, CA 94102
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINA39943
Medicare ID-Type Unspecified00G169020CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert P Herwick Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Robert Herwick reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dermatology Medical Group Of San Francisco, Inc
Same address
Specialist
490 POST ST, SUITE 700
San Francisco, CA 94102
  • Reassigned Medicare billing, California enrollment
  • 7 clinicians in this Medicare group
NPI 1316924244 (415) 362-2238

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 13

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

CARMELO LIM ROCO, M.D.
Preferred Provider Organization
490 POST STREET, SUITE 901
SAN FRANCISCO, CA 94102
San Francisco County (415) 421-2256
RONALD C K JEW DDS INC
Dentist (Endodontics)
490 POST STREET, SUITE 1516
SAN FRANCISCO, CA 94102
San Francisco County (415) 398-4964
DR. JAMES KUO FONG D.D.S.
Dentist
490 POST STREET, 649
SAN FRANCISCO, CA 94102
San Francisco County (415) 982-3669
MARGARET C SCULLY MD
Specialist
490 POST STREET, 700
SAN FRANCISCO, CA 94102
San Francisco County (415) 362-2238
DR. DOROTHY JEANNETTE MCNOBLE MD
Surgery
490 POST STREET, DOROTHY J MCNOBLE , MD
SAN FRANCISCO, CA 94102
San Francisco County (650) 757-4894
RONALD CHAUKOON JEW DDS
Dentist (Endodontics)
490 POST STREET, SUITE 1516
SAN FRANCISCO, CA 94102
San Francisco County (415) 398-4964
DARREN MACHULE DMD PHD
Dentist (Endodontics)
490 POST STREET, SUITE 1516
SAN FRANCISCO, CA 94102
San Francisco County (415) 398-4964
CARMELO LIM ROCO
Legal Medicine
490 POST STREET, SUITE 901
SAN FRANCISCO, CA 94102
San Francisco County (415) 421-2256

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 Robert Herwick's NPI number?

The NPI number for Robert Herwick is 1437236452. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Robert Herwick located?

Robert Herwick practices at 490 Post Street #700, San Francisco, CA 94102. The listed phone number is (415) 362-2238.

What is Robert Herwick's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Robert Herwick enrolled in Medicare?

Yes. Robert Herwick is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Herwick's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Herwick reassigns Medicare benefits to Dermatology Medical Group Of San Francisco, Inc (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Herwick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Herwick was last updated on October 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.