Weixia Guo
NPI 1407219421 · Rheumatology Physician · Ypsilanti, MI
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Weixia Guo is a Rheumatology Physician provider in Ypsilanti, MI (NPI 1407219421).
Provider details
- NPI number
- 1407219421
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 57.027827 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
459 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 277 | $124 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 87 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 59 | $159 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 36 | $91 |
Typical Medicare-allowed amounts for these services range $16–$159 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 379 | 127 |
| Methotrexate Sodiumbrand: Methotrexate | 295 | 86 |
| Hydroxychloroquine Sulfate | 232 | 73 |
| Allopurinol | 72 | 24 |
| Adalimumabbrand: Humira(cf) Pen | 68 | 11 |
| Leflunomide | 45 | 16 |
| Etanerceptbrand: Enbrel Sureclick |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-29
- Last updated
- 2021-08-12
- Certified
- 2021-08-12
Frequently asked questions
- What is Weixia Guo's NPI number?
- Weixia Guo's National Provider Identifier (NPI) is 1407219421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Weixia Guo's specialty?
- Weixia Guo is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Weixia Guo located?
- Weixia Guo's practice location on file with NPPES is 4990 W Clark Rd Ste 300, Ypsilanti, MI 48197-1149.
- What is Weixia Guo's phone number?
- The practice phone number listed in the NPPES registry for Weixia Guo is (734) 426-1931.
- Does Weixia Guo accept Medicare?
- Weixia Guo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Weixia Guo's NPI active?
- Yes — Weixia Guo's NPI (1407219421) is active in the NPPES registry as of the last update on 2021-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.