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DR. MIGNON L. LOH M.D.
NPI 1730289588
Pediatrics - Pediatric Hematology-Oncology in San Francisco, CA

Active since September 22, 2006PECOS Enrolled
505 PARNASSUS AVE # M-647, SAN FRANCISCO, CA 94143(415) 476-3831(415) 502-4372 Get Directions Write a Review

NPPES record last updated: March 8, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Mignon L. Loh M.d. NPPES

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

DR. MIGNON L. LOH M.D. (NPI 1730289588) is an individual pediatric hematology-oncology provider in San Francisco, California, licensed in California (G85466) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730289588
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameDR. MIGNON L. LOHCredential: M.D.
Location Address505 PARNASSUS AVE # M-647San Francisco, CA 94143-2204
Mailing Address1635 Divisadero St, Suite 625, Box 1821San Francisco, CA 94143-0001
Phone(415) 476-3831
Fax(415) 502-4372
Sole ProprietorNo
Enumeration DateSeptember 22, 2006
Last NPPES UpdateMarch 8, 2017
✔ NPI 1730289588 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in CA · G85466
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License G85466 (CA)
505 PARNASSUS AVE # M-647, San Francisco, CA 94143
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Other Identifiers 3

Medicare PIN00G854660CA
Medicare UPINF88649CA
Medicaid00G854660CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mignon L. Loh 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

4

Medicare enrollment records show Mignon Loh reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucsf Pediatrics Associates
Same address
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
University Of California San Francisco
0.1 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
0.1 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
Association Of Chmc And University Physicians
610 mi
Pediatrics
969 STEVENS DR, SUITE 1B
Richland, WA 99352
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: The Association Of Chrmc And University Physicians
  • 1,443 clinicians in this Medicare group
NPI 1851680664 (509) 946-0976

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

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 Mignon Loh's NPI number?

The NPI number for Mignon Loh is 1730289588. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Mignon Loh located?

Mignon Loh practices at 505 Parnassus Ave # M-647, San Francisco, CA 94143. The listed phone number is (415) 476-3831.

What is Mignon Loh's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Mignon Loh enrolled in Medicare?

Yes. Mignon Loh is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mignon Loh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mignon Loh reassigns Medicare benefits to 4 organizations: Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Association Of Chmc And University Physicians (Richland, WA). 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 Mignon Loh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mignon Loh accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mignon Loh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mignon Loh was last updated on March 8, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.