Michelle Williams, M.D.
NPI 1598793630 · Anatomic Pathology & Clinical Pathology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Williams, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Houston, TX (NPI 1598793630).
Provider details
- NPI number
- 1598793630
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- M4657 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,391 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 533 | $36 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 358 | $78 |
| Pathology Examination of Specimen During Surgery, First Tissue Block88331 | 341 | $59 |
| Pathology Examination of Specimen During Surgery, Each Additional Tissue Block88332 | 234 | $28 |
| Surgical Pathology Consultation and Report on Referred Slides Prepared Elsewhere88321 | 228 | $81 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 200 | $27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 2 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 12 |
| Metoprolol Succinate | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$100 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2020-10-14
- Certified
- 2020-10-11
Frequently asked questions
- What is Michelle Williams's NPI number?
- Michelle Williams's National Provider Identifier (NPI) is 1598793630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Williams's specialty?
- Michelle Williams is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Williams located?
- Michelle Williams's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4000.
- What is Michelle Williams's phone number?
- The practice phone number listed in the NPPES registry for Michelle Williams is (713) 792-6161.
- Does Michelle Williams accept Medicare?
- Michelle Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Williams's NPI active?
- Yes — Michelle Williams's NPI (1598793630) is active in the NPPES registry as of the last update on 2020-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.