Jamiese Williams, M.D.
NPI 1023421500 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jamiese Williams, M.D. is a Internal Medicine Physician provider in Tucson, AZ (NPI 1023421500).
Provider details
- NPI number
- 1023421500
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 54594 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 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
398 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 178 | $74 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 135 | $46 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 85 | $107 |
Typical Medicare-allowed amounts for these services range $46–$107 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 23 | 23 |
| Atorvastatin Calcium | 21 | 14 |
| Prednisone | 19 | 19 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 15 | 15 |
| Cefdinir | 15 | 15 |
| Lamotrigine | 13 | — |
| Linagliptinbrand: Tradjenta | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-06-03
- Last updated
- 2022-07-21
Frequently asked questions
- What is Jamiese Williams's NPI number?
- Jamiese Williams's National Provider Identifier (NPI) is 1023421500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jamiese Williams's specialty?
- Jamiese Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jamiese Williams located?
- Jamiese Williams's practice location on file with NPPES is 6060 N Fountain Plaza Dr, Tucson, AZ 85704-7870.
- What is Jamiese Williams's phone number?
- The practice phone number listed in the NPPES registry for Jamiese Williams is (520) 229-2578.
- Does Jamiese Williams accept Medicare?
- Jamiese Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jamiese Williams's NPI active?
- Yes — Jamiese Williams's NPI (1023421500) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.