Tammy Jean Williams, ARNP
- Medicare services, 2024
- 46
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 1,298
- Industry payments
- $1,703
- Affiliated sites
- 1
- Practice address
- 675 E Main St, Lake Butler, FL 32054
- Practice phone
- Call (386) 496-1328
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lake Butler Medical Clinic Inc
Lake Butler, Florida
Find Tammy Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Tammy Jean Williams is a family nurse practitioner in Lake Butler, Florida
Tammy Williams practices at Lake Butler Medical Clinic Inc in Lake Butler, Florida.
Tammy Williams' NPI, 1285877258, was assigned on April 7, 2009. Tammy Williams holds Florida license 2613912.
- NPI
- 1285877258NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749467959
- NPI enumeration date
- April 7, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (386) 496-1328
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Tammy Jean Williams practices at Lake Butler Medical Clinic Inc in Lake Butler, Florida
Tammy Williams' primary practice is Lake Butler Medical Clinic Inc, at 675 E Main St, Lake Butler, FL 32054 in Union County. The practice phone is (386) 496-1328.
- Lake Butler Medical Clinic Inc675 E Main St, Lake Butler, FL 32054 · Union CountyPhone(386) 496-1328
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Tammy Jean Williams is affiliated with 2 sites of care and 1 medical group
Tammy Williams' primary practice is Lake Butler Medical Clinic Inc in Lake Butler, Florida. The medical group on file is Lake Butler Medical Clinic. Dmand AI also links Tammy Williams to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Tammy Jean Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lake Butler Medical Clinic Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Tammy Jean Williams is one of 14,175 family nurse practitioners in Florida
Family is Tammy Williams' primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Tammy Williams is licensed in Florida.
Specialties and state licenses
- Family nurse practitioner, FloridaPrimary
Clinical focus
Dmand AI lists chronic obstructive pulmonary disease (COPD), high cholesterol, tobacco use and underactive thyroid among the conditions Tammy Williams treats.
Family nurse practitioners near Tammy Williams
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Tammy Jean Williams billed Medicare for 46 services in 2024
CMS data shows 46 Medicare services from Tammy Williams across 2 procedure codes in 2024, all of them office visits, for 42 Medicare patients. Medicare paid $3,316 for them. Every service was in an office.
Tammy Williams compared with the Florida median for family nurse practitioners, 2024
- Tammy Williams
- Florida median
- Medicare services
- 46vs 30885% below
- Medicare patients
- 42vs 11563% below
- Part D claims
- 800vs 52552% above
Medians across 8,146 family nurse practitioners in Florida with Dmand AI profiles that report each measure.
Tammy Williams' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Tammy Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Tammy Williams and other family nurse practitioners in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Tammy Jean Williams treated 42 Medicare patients in 2024, average age 74
CMS counts 42 Medicare patients who saw Tammy Williams in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tammy Williams' median patient age at 70, with 61% women.
Tammy Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Tammy Williams' Medicare patients by sex, 2024
- Women2355%
- Men1945%
Chronic conditions among Tammy Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease60%
- Diabetes36%
- Arthritis33%
- Heart failure31%
- Ischemic heart disease31%
Share of Medicare patients with each condition. A patient can have several.
Tammy Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tammy Jean Williams wrote 1,298 Medicare Part D claims in 2024
In 2024, Tammy Williams wrote 1,298 Medicare Part D claims for 302 patients. 90% of them were for generic drugs. CMS names the drug for 800 of them, across 32 drugs with 11 or more claims each, at $34,737 in total drug cost.
Tammy Williams' Part D claims by kind of drug, 2024
- Generic1,165 claims90%
- Brand-name and other133 claims10%
Tammy Williams' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Tammy Williams' Part D claims, 2024
- Opioids1%15 of 1,298 claims
- Antibiotics4%52 of 1,298 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Tammy Jean Williams takes part in Medicare
Tammy Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Tammy Jean Williams received $1,703 in industry payments from 2024 to 2025
CMS Open Payments shows 74 general payments to Tammy Williams from 18 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $343.
General payments to Tammy Williams by program year, 2024 to 2025
Companies that paid Tammy Williams the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Tammy Jean Williams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Tammy Jean Williams
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What is Tammy Jean Williams' NPI number?
Tammy Jean Williams' NPI number is 1285877258. It was assigned on April 7, 2009, and it is active in the NPI Registry.
What does Tammy Jean Williams specialize in?
Tammy Jean Williams is a family nurse practitioner in Lake Butler, Florida. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Tammy Jean Williams practice?
Tammy Williams practices at 675 E Main St, Lake Butler, FL 32054. Tammy Williams' primary practice is Lake Butler Medical Clinic Inc in Lake Butler, Florida. Dmand AI also links Tammy Williams to 1 group practice or clinic.
What is Tammy Jean Williams' office phone number?
The practice phone on file for Tammy Williams is (386) 496-1328.
What is Tammy Jean Williams' medical license number?
Tammy Williams holds Florida license 2613912.
What medical group is Tammy Jean Williams part of?
Tammy Williams is linked to Lake Butler Medical Clinic.
Does Tammy Jean Williams accept Medicare?
Yes. CMS data shows Tammy Williams billed Medicare for 46 services in 2024, and Tammy Williams accepts Medicare assignment.
How many Medicare patients does Tammy Jean Williams see?
CMS counts 42 Medicare patients who saw Tammy Williams in 2024, with an average age of 74.
What services does Tammy Jean Williams bill to Medicare?
In 2024, Tammy Williams' most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Tammy Jean Williams prescribe most?
In 2024 Medicare Part D data, Tammy Williams' most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Lisinopril.
Has Tammy Jean Williams received payments from drug or device companies?
CMS Open Payments shows $1,703 in general payments to Tammy Williams from 18 companies from 2024 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Tammy Jean Williams been practicing?
Tammy Williams graduated from medical school in 2008, 18 years ago.
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