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ANN OH MD
NPI 1629422019
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in San Francisco, CA

Active since April 21, 2016PECOS Enrolled
1825 FOURTH STREET, FIFTH FLOOR, 5A, SAN FRANCISCO, CA 94143(855) 722-8273(415) 353-2400 Get Directions Write a Review

NPPES record last updated: January 26, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ann Oh Md NPPES

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

ANN OH MD (NPI 1629422019) is an individual neurology with special qualifications in child neurology provider in San Francisco, California, licensed in California (A178692) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629422019
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameANN OHCredential: MD
Location Address1825 FOURTH STREET, FIFTH FLOOR, 5ASan Francisco, CA 94143-2350
Mailing Address1825 Fourth Street, Fifth Floor, 5aSan Francisco, CA 94143-2350 · (855) 722-8273 · Fax (415) 353-2400
Phone(855) 722-8273
Fax(415) 353-2400
Sole ProprietorNo
Enumeration DateApril 21, 2016
Last NPPES UpdateJanuary 26, 2024
NPPES CertifiedAugust 17, 2021
✔ NPI 1629422019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in CA · A178692
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
1825 FOURTH STREET, FIFTH FLOOR, 5A, San Francisco, CA 94143
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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)

Ann Oh 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 Reassignments

2

Medicare enrollment records show Ann Oh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco
3.7 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
3.7 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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Ann Oh's NPI number?

The NPI number for Ann Oh is 1629422019. It was assigned to this individual provider in the NPPES registry on April 21, 2016.

Where is Ann Oh located?

Ann Oh practices at 1825 Fourth Street, Fifth Floor, 5A, San Francisco, CA 94143. The listed phone number is (855) 722-8273.

What is Ann Oh's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Ann Oh enrolled in Medicare?

Yes. Ann Oh is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ann Oh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ann Oh reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Ann Oh'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 Ann Oh was last updated on January 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.