Doctor profile · Federal record

Dr. CHRISTINA PHAN, PA

Physician Assistant · CASTRO VALLEY, CA

  • NPI 1831668987
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
20642 JOHN DR
CASTRO VALLEY, CA 945465103
(888) 924-1036
Additional location
1001 S Main St Apt M309
Milpitas, CA 950355367
(408) 712-8859

Credentials & registration

NPPES · NUCC
NPI registered
November 2018 — 8 yrs on file
Profile last updated
August 23, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA56836

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831668987. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
539
Distinct HCPCS
4
Medicare allowed
$46,629
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 469 420 $92
81003 Automated urinalysis test 33 30 $2
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 19 19 $52
99214 Established patient office or other outpatient visit, 30-39 minutes 18 17 $131

In context: peer comparison

Among 8 peers in this city , average services per provider: 83. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
248
Patients
188
Total drug cost
$3,163
Drug Type Claims Patients Total cost
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 25 25 $241
Azithromycin Generic 21 18 $99
Amoxicillin Generic 20 20 $66
Doxycycline Hyclate Generic 19 19 $210
Fluticasone Propionate Generic 19 16 $316
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 18 13 $472
Lagevrio (Eua) (Molnupiravir) Brand 18 18 $160
Atorvastatin Calcium Generic 15 0 $201
Baclofen Generic 14 0 $257
Diclofenac Sodium Generic 14 11 $340

Hospital affiliations

CMS Hospital Compare