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DR. CHELSEA HAYMAN MD
NPI 1922680032
Emergency Medicine in San Francisco, CA

Active since April 27, 2021PECOS EnrolledAccepts Medicare Assignment
1001 POTRERO AVE., BUILDING 25, 1ST FLOOR, SAN FRANCISCO, CA 94110(628) 206-8111(628) 206-9038 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 12, 2025, Apr 27, 2021 (2 updates tracked since 2021).

About Dr. Chelsea Hayman Md NPPES

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

DR. CHELSEA HAYMAN MD (NPI 1922680032) is an individual emergency medicine provider in San Francisco, California, licensed in California (A201641) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1922680032
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. CHELSEA HAYMANCredential: MD
Location Address1001 POTRERO AVE., BUILDING 25, 1ST FLOORSan Francisco, CA 94110
Mailing Address24010 Balsam CtAuburn, CA 95602-8162 · (925) 528-9181
Phone(628) 206-8111
Fax(628) 206-9038
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 27, 2021
Last NPPES UpdateJune 12, 20252 updates tracked since enumeration
NPPES CertifiedJune 12, 2025
✔ NPI 1922680032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A201641
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1001 POTRERO AVE., San Francisco, CA 94110
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Secondary Practice Location 1

Location 1550 1st AveNew York, NY 10016-6402 · Phone (212) 263-5506

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Chelsea Hayman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638681356
PECOS Enrollment IDI20250626001387
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 10

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

NATHAN JOSEPH ARBOLEDA MD
Ophthalmology
1001 POTRERO AVE., BLDG. 5, 4M
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8025
SAMHITA JAIN MD
Pediatrics
1001 POTRERO AVE., BLDG. 5, #6M
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8361
AMY OU
Internal Medicine
1001 POTRERO AVE.
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-2362
CLARIBEL SOLORIO
Obstetrics & Gynecology
1001 POTRERO AVE., BLDG. 5, #5M
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-3409
SALITHA SUNDERRAJAN MD
Internal Medicine (Nephrology)
1001 POTRERO AVE., BLDG. 100, 3RD FL., #342
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8843
UNIVERSITY OF CALIFORNIA SAN FRANCISCO
Psychiatric Hospital
1001 POTRERO AVE., SAN FRANCISCO GENERAL HOSPITAL, UNIT 7C
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-3501
ELIZABETH ALISON AVAKOFF DO, MPH
Emergency Medicine
1001 POTRERO AVE., BLDG. 25 1ST FLOOR
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8111
MR. JUAN RAMON CORNEJO SR.
Counselor
1001 POTRERO AVE.
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8594

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 Chelsea Hayman's NPI number?

The NPI number for Chelsea Hayman is 1922680032. It was assigned to this individual provider in the NPPES registry on April 27, 2021.

Where is Chelsea Hayman located?

Chelsea Hayman practices at 1001 Potrero Ave. Building 25, 1st Floor, San Francisco, CA 94110. The listed phone number is (628) 206-8111.

What is Chelsea Hayman's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Chelsea Hayman enrolled in Medicare?

Yes. Chelsea Hayman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Chelsea Hayman was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.