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DR. DANIEL H AN MD
NPI 1285365999
Anesthesiology in San Francisco, CA

Active since June 22, 2022PECOS Enrolled
513 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-1297 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 27, 2026, Mar 27, 2026 (2 updates tracked since 2026).

About Dr. Daniel H An Md NPPES

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

DR. DANIEL H AN MD (NPI 1285365999) is an individual anesthesiology provider in San Francisco, California, licensed in California (A189131) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in West Hollywood, and is a graduate of Georgetown University School Of Medicine (2022).

NPPES Registry Identity

NPI1285365999
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. DANIEL H ANCredential: MD
Location Address513 PARNASSUS AVESan Francisco, CA 94143-2205
Mailing Address8700 Beverly Blvd # 4209West Hollywood, CA 90048-1804 · (626) 808-3734
Phone(415) 353-1297
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2022
Enumeration DateJune 22, 2022
Last NPPES UpdateAugust 27, 20262 updates tracked since enumeration
NPPES CertifiedAugust 27, 2026
✔ NPI 1285365999 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A189131
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
513 PARNASSUS AVE, San Francisco, CA 94143
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Secondary Practice Location 1

Location 18700 Beverly Blvd # 4209West Hollywood, CA 90048-1804 · Phone (310) 423-1682

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Daniel H An Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022579804
PECOS Enrollment IDI20260911000226
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.

Other Providers at the Same Location NPPES 20

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

DR. ELLIOTT SCOTT SEELEY M.D., PH.D.
Pathology (Molecular Genetic Pathology)
513 PARNASSUS AVE, HSW4, SUITE 450A
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-0738
DR. LAURA WONG M.D./PH.D.
Plastic Surgery
513 PARNASSUS AVE, S-321
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239
ALAN ZAMBELI-LJEPOVIC
Surgery
513 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239
UCSF MEDICAL CENTER
General Acute Care Hospital
513 PARNASSUS AVE, BOX 0427
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-3235
WILLIAM MCKLEROY M.D
Internal Medicine (Pulmonary Disease)
513 PARNASSUS AVE, HSE1314
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-0735
SYDNEY CAMILLE LABAT
Anesthesiology
513 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-1297
MS. MELICENT CLARE PECK M.D., PHD
Internal Medicine (Infectious Disease)
513 PARNASSUS AVE, S-380, BOX 0654
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-9362
DR. SCOTT R. VANDENBERG MD
Pathology (Neuropathology)
513 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 502-7796

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 Daniel An's NPI number?

The NPI number for Daniel An is 1285365999. It was assigned to this individual provider in the NPPES registry on June 22, 2022.

Where is Daniel An located?

Daniel An practices at 513 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-1297.

What is Daniel An's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Daniel An enrolled in Medicare?

Yes. Daniel An is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Daniel An was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.