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TIFFANY CHEN
NPI 1942761952
Anesthesiology in San Francisco, CA

Active since March 31, 2019PECOS EnrolledAccepts Medicare Assignment
521 PARNASSUS AVE, RM 4402, SAN FRANCISCO, CA 94143(415) 476-9035(415) 353-9163 Get Directions Write a Review

NPPES record last updated: November 21, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 21, 2023, Jul 22, 2019 (2 updates tracked since 2019).

About Tiffany Chen NPPES

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

TIFFANY CHEN (NPI 1942761952) is an individual anesthesiology provider in San Francisco, California, licensed in California (A181360) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1942761952
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameTIFFANY CHEN
Location Address521 PARNASSUS AVE, RM 4402San Francisco, CA 94143
Mailing Address521 Parnassus Ave, Rm 4402San Francisco, CA 94143 · (415) 476-9035 · Fax (415) 353-9163
Phone(415) 476-9035
Fax(415) 353-9163
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 31, 2019
Last NPPES UpdateNovember 21, 20232 updates tracked since enumeration
NPPES CertifiedNovember 21, 2023
✔ NPI 1942761952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A181360
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.
521 PARNASSUS AVE, RM 4402, 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 and accepts Medicare assignment

Tiffany Chen 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 ID6901138239
PECOS Enrollment IDI20230718003756
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

5

Medicare enrollment records show Tiffany Chen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Anesthesia Medical Group
Same address
Anesthesiology
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 723 clinicians in this Medicare group
NPI 1528137296 (415) 476-1000
University Of California San Francisco
Same address
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
Same address
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
County Of Santa Clara
29 mi
Mental Health (Including Community Mental Health Center)
231 GRANT AVENUE
Palo Alto, CA 94306
  • Reassigned Medicare billing, California enrollment
  • 2,460 clinicians in this Medicare group
NPI 1144330614 (650) 321-5545
El Camino Anesthesia
44 mi
Anesthesiology
815 POLLARD RD
Los Gatos, CA 95032
  • Reassigned Medicare billing, California enrollment
  • 84 clinicians in this Medicare group
NPI 1356910053 (408) 378-6131

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
12 services12 patients

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 Tiffany Chen's NPI number?

The NPI number for Tiffany Chen is 1942761952. It was assigned to this individual provider in the NPPES registry on March 31, 2019.

Where is Tiffany Chen located?

Tiffany Chen practices at 521 Parnassus Ave, Rm 4402, San Francisco, CA 94143. The listed phone number is (415) 476-9035.

What is Tiffany Chen's specialty?

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

Is Tiffany Chen enrolled in Medicare?

Yes. Tiffany Chen 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.

Which organizations bill Medicare for Tiffany Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Chen reassigns Medicare benefits to 5 organizations: University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), County Of Santa Clara (Palo Alto, CA) and El Camino Anesthesia (Los Gatos, 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 Tiffany Chen'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 Tiffany Chen was last updated on November 21, 2023. 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.