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DR. SANFORD C NEWMARK M.D.
NPI 1184657082
Pediatrics - Adolescent Medicine in San Francisco, CA

Active since July 07, 2006PECOS Enrolled
1545 DIVISADERO ST, 4TH FLOOR, SAN FRANCISCO, CA 94115(415) 353-7460(415) 353-7747 Get Directions Write a Review

NPPES record last updated: October 14, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Sanford C Newmark M.d. NPPES

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

DR. SANFORD C NEWMARK M.D. (NPI 1184657082) is an individual adolescent medicine provider in San Francisco, California, licensed in California (G88450) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184657082
Entity TypeIndividualMale
Primary Taxonomy2080A0000X
Provider Legal NameDR. SANFORD C NEWMARKCredential: M.D.
Location Address1545 DIVISADERO ST, 4TH FLOORSan Francisco, CA 94115
Mailing Address1545 Divisadero St, 4th FloorSan Francisco, CA 94115 · (415) 353-7460 · Fax (415) 353-7747
Phone(415) 353-7460
Fax(415) 353-7747
Sole ProprietorYes
Enumeration DateJuly 7, 2006
Last NPPES UpdateOctober 14, 2016
✔ NPI 1184657082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
Licenses✔ Licensed in CA · G88450✔ Licensed in AZ · 16648
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
1545 DIVISADERO ST, San Francisco, CA 94115
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sanford C Newmark M.d. 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 Reassignments

3

Medicare enrollment records show Sanford Newmark reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco
1.7 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
1.7 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
Ucsf Pediatrics Associates
1.8 mi
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
NPI 1376614016 (415) 353-2000

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 3

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

DR. NILAY SETHI M.D., PH.D.
Student in an Organized Health Care Education/Training Program
1545 DIVISADERO ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-7900
DR. SIDDHARTHA MITRA MD, PHD
Internal Medicine
1545 DIVISADERO ST, SECOND FLOOR
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-7900
JANE JIH MD, MPH
Internal Medicine
1545 DIVISADERO ST, BOX 0320
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-7900

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 Sanford Newmark's NPI number?

The NPI number for Sanford Newmark is 1184657082. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Sanford Newmark located?

Sanford Newmark practices at 1545 Divisadero St 4th Floor, San Francisco, CA 94115. The listed phone number is (415) 353-7460.

What is Sanford Newmark's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Is Sanford Newmark enrolled in Medicare?

Yes. Sanford Newmark is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sanford Newmark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sanford Newmark reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Pediatrics Associates (San Francisco, CA). Each 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 Sanford Newmark'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 Sanford Newmark was last updated on October 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.