Tammy Williams, NP-C
Adult Health Nurse Practitioner · Madison, FL
Tammy Williams, NP-C is an adult health nurse practitioner with a practice address in Madison, Florida, and NPI 1437282415, issued on Mar 13, 2007. Check the license (Florida ARNP1396122, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Tammy Williams
- Credential
- NP-C
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- ARNP1396122 FL
Self-reported in NPPES; status is on the state search - Practice location
- 256 SW Washington Ave, Madison, FL 32340
- Phone
- (850) 973-4590
- Enumerated
- Mar 13, 2007
- Record last updated
- Aug 19, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081014000783); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 3,214 in Florida → Look up another NPI →
Also registered at 256 SW Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Stick, M.D.General Practice Physician1912128232
- Amanda Williams, NP-CFamily Nurse Practitioner1427725746
Verify Tammy Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ARNP1396122Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.8 times the Medicare Part D claims of the average adult health nurse practitioner in 2024
11,283 Medicare Part D claims for 706 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 59 claims were for opioids.
Most prescribed
- Atorvastatin Calcium776 claims
- Amlodipine Besylate510 claims
- Levothyroxine Sodium500 claims
- Losartan Potassium404 claims
- Lisinopril329 claims
- Hydrochlorothiazide320 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $46.94
3 payments; by number, the most common kind was food and beverage; the largest payer was Paratek Pharmaceuticals, Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mos LLCMadison, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tammy Williams among 3,214 adult health nurse practitioner records in Florida
Tammy Williams, NP-C is one of 3,214 adult health nurse practitioner records with a practice address in Florida. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 78% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2000 · median 2016 among the 1,584 with a school on file
- Record last updated2008 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 adult health nurse practitioner records list a practice address in Madison
They are 2 of the 114 NPPES records with a practice address in Madison, and 3,214 adult health nurse practitioner records in Florida.
All 3,214 in Florida → Every provider in Madison → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Stephanie Doyle, APRN-BCMadison, FL 323401821538315
- Randall Hearne, ARNPPerry, FL 323471831184910
- Oretha Jones, ARNPHavana, FL 323331588755045
- Misty Rodriguez, APNPerry, FL 323471508335290
- Brian Ham, ARNPChattahoochee, FL 323241053505909
- Patricia WatsonBristol, FL 323211376060111
- Lynn Steele, ARNPTallahassee, FL 323121477542124
- Hanna Ling, ARNPTallahassee, FL 323101033568308
Common questions
What is Tammy Williams, NP-C's NPI number?
Tammy Williams, NP-C's National Provider Identifier (NPI) is 1437282415, issued on Mar 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tammy Williams, NP-C located?
The NPPES record lists a practice address at 256 SW Washington Ave, Madison, FL, 32340. Phone: (850) 973-4590. Providers update this record themselves, so call before visiting.
How can I verify Tammy Williams, NP-C's license?
NPPES lists Florida license number ARNP1396122, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tammy Williams, NP-C prescribe under Medicare Part D?
In 2024, Tammy Williams, NP-C had 11,283 Medicare Part D claims for 706 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Tammy Williams, NP-C's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.