Doctor profile · Federal record

Dr. Tiffany Shem, PA-C

Physician Assistant · Physician Assistant · Medical Physician Assistant · Surgical Physician Assistant · Surgical Physician Assistant · Alameda, CA

  • NPI 1245991553
  • Accepts Medicare
  • MIPS 83.9 / 100 · 2023
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
815 Atlantic Ave Ste 100
Alameda, CA 945012298
(510) 535-7363

Credentials & registration

NPPES · NUCC
NPI registered
January 2022 — 4 yrs on file
Profile last updated
August 21, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA60848

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245991553. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
119
Distinct HCPCS
3
Medicare allowed
$4,428
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 69 13 $1
20610 Aspiration and/or injection of fluid from large joint 25 23 $83
99213 Established patient office or other outpatient visit, 20-29 minutes 25 25 $91

In context: peer comparison

Among 5 peers in Alameda Physician Assistant, average services per provider: 184. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Evolution Surgical, INC 1 $17.26

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
143
Patients
72
Total drug cost
$4,094
Drug Type Claims Patients Total cost
Gabapentin Generic 46 14 $1,007
Diclofenac Sodium Generic 35 24 $2,528
Meloxicam Generic 31 19 $406
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 16 15 $132
Amoxicillin Generic 15 0 $22

Frequently asked questions

Auto-generated from federal data
What is Dr. Tiffany Shem's medical specialty?
Dr. Tiffany Shem practices Physician Assistant in Alameda, CA.
Where does Dr. Tiffany Shem practice?
Dr. Tiffany Shem practices at 815 Atlantic Ave Ste 100, Alameda, CA 945012298. Office phone: 5105357363.
What is Dr. Tiffany Shem's NPI?
Dr. Tiffany Shem's National Provider Identifier (NPI) is 1245991553, issued by NPPES.
Does Dr. Tiffany Shem accept Medicare assignment?
Yes. Dr. Tiffany Shem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tiffany Shem commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid from large joint (HCPCS 20610); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.