Doctor profile · Federal record

Dr. Weixia Guo

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Ypsilanti, MI

  • NPI 1407219421
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4990 W Clark RD Ste 300
Ypsilanti, MI 481971149
(734) 426-1931
fax (734) 426-9021
Mailing address
24 Frank Lloyd Wright Dr Lbby J2000
Ann Arbor, MI 481059484

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
August 12, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (2)
Michigan #4301117430 · Ohio #57.027827

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407219421. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
392
Distinct HCPCS
5
Medicare allowed
$44,611
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 139 91 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 120 65 $128
99203 New patient office or other outpatient visit, 30-44 minutes 63 63 $112
99204 New patient office or other outpatient visit, 45-59 minutes 51 51 $168
99212 Established patient office or other outpatient visit, 10-19 minutes 19 17 $57

In context: peer comparison

Among 3 peers in Ypsilanti Rheumatology Physician, average services per provider: 78. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,066
Patients
313
Total drug cost
$463,584
Drug Type Claims Patients Total cost
Prednisone Generic 378 134 $4,555
Methotrexate (Methotrexate Sodium) Brand 326 77 $11,791
Hydroxychloroquine Sulfate Generic 145 54 $12,922
Leflunomide Generic 39 16 $3,053
Methylprednisolone Generic 37 20 $1,172
Allopurinol Generic 35 12 $741
Humira(Cf) Pen (Adalimumab) Brand 32 0 $283,410
Enbrel Sureclick (Etanercept) Brand 20 0 $144,093
Sulfasalazine Generic 18 0 $438
Folic Acid Generic 14 0 $53

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Weixia Guo's medical specialty?
Dr. Weixia Guo practices Rheumatology Physician in Ypsilanti, MI.
Where does Dr. Weixia Guo practice?
Dr. Weixia Guo practices at 4990 W Clark RD Ste 300, Ypsilanti, MI 481971149. Office phone: 7344261931.
What is Dr. Weixia Guo's NPI?
Dr. Weixia Guo's National Provider Identifier (NPI) is 1407219421, issued by NPPES.
Does Dr. Weixia Guo accept Medicare assignment?
Yes. Dr. Weixia Guo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Weixia Guo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.