Doctor profile · Federal record

Dr. Holly Chow, PA-C

Physician Assistant · Los Altos, CA

  • NPI 1033742648
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
370 Distel Cir
Los Altos, CA 940221404
(650) 254-5200
Additional location
2288 Market St
San Francisco, CA 941141506
(415) 964-4855
fax (415) 965-7940
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
February 2020 — 6 yrs on file
Profile last updated
October 13, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #57731

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033742648. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
230
Distinct HCPCS
5
Medicare allowed
$32,962
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 84 76 $133
99204 New patient office or other outpatient visit, 45-59 minutes 83 83 $171
99203 New patient office or other outpatient visit, 30-44 minutes 34 34 $116
99213 Established patient office or other outpatient visit, 20-29 minutes 17 17 $94
99215 Established patient office or other outpatient visit, 40-54 minutes 12 12 $171

In context: peer comparison

Among 3 peers in this city , average services per provider: 49. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$568
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 2 $257.21
GENZYME CORPORATION 1 $143.71
VERTEX PHARMACEUTICALS INCORPORATED 1 $104.00
Neurocrine Biosciences, Inc. 1 $62.63

By nature of payment

Food and Beverage
$568

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
34
Total drug cost
$476
Drug Type Claims Patients Total cost
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 34 34 $357
Levothyroxine Sodium Generic 13 0 $120

Frequently asked questions

Auto-generated from federal data
What is Dr. Holly Chow's medical specialty?
Dr. Holly Chow practices Physician Assistant in Los Altos, CA.
Where does Dr. Holly Chow practice?
Dr. Holly Chow practices at 370 Distel Cir, Los Altos, CA 940221404. Office phone: 6502545200.
What is Dr. Holly Chow's NPI?
Dr. Holly Chow's National Provider Identifier (NPI) is 1033742648, issued by NPPES.
Does Dr. Holly Chow accept Medicare assignment?
Yes. Dr. Holly Chow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Holly Chow commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.