Doctor profile · Federal record

Dr. Monica Wei

Rheumatology Physician (CMS: Rheumatology) · Walnut Creek, CA

  • NPI 1417450214
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1450 Treat Blvd # 200
Walnut Creek, CA 945972168
(925) 296-9060
Mailing address
1450 Treat Blvd # 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
October 9, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
California #A189352

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417450214. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
31
Distinct HCPCS
1
Medicare allowed
$7,686
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 31 31 $248

In context: peer comparison

Among 6 peers in this city , average services per provider: 731. This provider delivers 0.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,069
Transactions
75
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 16 $290.39
ABBVIE INC. 14 $281.91
Octapharma USA, Inc. 3 $279.81
Boehringer Ingelheim Pharmaceuticals, Inc. 9 $162.04
UCB, Inc. 5 $120.60
Aurinia Pharma U.S., Inc. 5 $109.26
Fresenius Kabi USA, LLC 3 $91.86
Radius Health, Inc. 4 $90.71
Dexcom, Inc. 2 $73.94
PFIZER INC. 3 $69.52
Kiniksa Pharmaceuticals International, plc 2 $49.65
Bayer Healthcare Pharmaceuticals Inc. 3 $45.49
GlaxoSmithKline, LLC. 2 $42.13
SANOFI-AVENTIS U.S. LLC 2 $42.02
E.R. Squibb & Sons, L.L.C. 2 $41.77

By nature of payment

Food and Beverage
$2,069

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
224
Patients
65
Total drug cost
$180,146
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 61 23 $1,966
Prednisone Generic 52 26 $956
Hydroxychloroquine Sulfate Generic 33 16 $2,459
Humira(Cf) Pen (Adalimumab) Brand 24 0 $172,447
Diclofenac Sodium Generic 16 0 $323
Naproxen Generic 14 0 $241
Gabapentin Generic 12 0 $214
Leflunomide Generic 12 0 $1,540

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Monica Wei's medical specialty?
Dr. Monica Wei practices Rheumatology Physician in Walnut Creek, CA.
Where does Dr. Monica Wei practice?
Dr. Monica Wei practices at 1450 Treat Blvd # 200, Walnut Creek, CA 945972168. Office phone: 9252969060.
What is Dr. Monica Wei's NPI?
Dr. Monica Wei's National Provider Identifier (NPI) is 1417450214, issued by NPPES.
Does Dr. Monica Wei accept Medicare assignment?
Yes. Dr. Monica Wei accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Monica Wei commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.