Tammy Williams, PA-C
NPI 1528031655 · Physician Assistant · Idabel, OK
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Williams, PA-C is a Physician Assistant provider in Idabel, OK (NPI 1528031655).
Provider details
- NPI number
- 1528031655
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA 1240 (OK)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 139 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 302 | 91 |
| Levothyroxine Sodium | 275 | 67 |
| Amlodipine Besylate | 263 | 75 |
| Lisinopril | 243 | 66 |
| Gabapentin | 201 | 52 |
| Pantoprazole Sodium | 181 | 42 |
| Carvedilol | 163 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$45 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
Additional practice locations (2)
- 457 S Mississippi AveAtoka, OK 74525-2500Phone: (580) 889-4746Fax: (580) 889-4735
- 610 E 24th StTishomingo, OK 73460-3245Phone: (580) 371-2343Fax: (580) 371-3614
Registry dates
- Enumerated
- 2006-02-09
- Last updated
- 2026-05-06
- Certified
- 2026-05-06
Frequently asked questions
- What is Tammy Williams's NPI number?
- Tammy Williams's National Provider Identifier (NPI) is 1528031655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Williams's specialty?
- Tammy Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Williams located?
- Tammy Williams's practice location on file with NPPES is 601 Se Washington St, Idabel, OK 74745-3319.
- What is Tammy Williams's phone number?
- The practice phone number listed in the NPPES registry for Tammy Williams is (580) 286-6688.
- Does Tammy Williams accept Medicare?
- Tammy Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Williams's NPI active?
- Yes — Tammy Williams's NPI (1528031655) is active in the NPPES registry as of the last update on 2026-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.