Tammy Lynn Walker
- Medicare patients, 2024
- 156
- Part D claims, 2024
- 986
- Hospital affiliations
- 1
- Industry payments
- $19
- Medical group
- 1
- Practice address
- 2200 N Section St, Sullivan, IN 47882
- Practice phone
- Call (812) 268-4311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Tammy Walker's 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 Lynn Walker is a family nurse practitioner in Sullivan, Indiana
Tammy Walker practices at Sullivan County Community Hospital in Sullivan, Indiana, part of State of Indiana.
Tammy Walker's NPI, 1124808803, was assigned on October 2, 2023. Tammy Walker holds Indiana license 71014487A.
- NPI
- 1124808803NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476901018
- NPI enumeration date
- October 2, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (812) 268-4311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tammy Lynn Walker practices at Sullivan County Community Hospital in Sullivan, Indiana
Tammy Walker's primary practice is Sullivan County Community Hospital, at 2200 N Section St, Sullivan, IN 47882 in Sullivan County. The practice phone is (812) 268-4311.
- Sullivan County Community Hospital2200 N Section St, Sullivan, IN 47882 · Sullivan CountyPhone(812) 268-4311
Source: Dmand AI Affiliation Data
Tammy Lynn Walker is affiliated with 1 site of care and 1 medical group
Tammy Walker's primary practice is Sullivan County Community Hospital in Sullivan, Indiana, part of State of Indiana. The medical group on file is Dugger Medical Clinic. Tammy Walker's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tammy Lynn Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Walker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sullivan County Community Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Tammy Lynn Walker is one of 4,830 family nurse practitioners in Indiana
Family is Tammy Walker's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Tammy Walker is licensed in Indiana.
Specialties and state licenses
- Family nurse practitioner, IndianaPrimary
Family nurse practitioners near Tammy Walker
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 Lynn Walker treated 156 Medicare patients in 2024, average age 74
CMS counts 156 Medicare patients who saw Tammy Walker in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tammy Walker's median patient age at 61, with 65% women.
Tammy Walker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Tammy Walker's Medicare patients by sex, 2024
- Women9561%
- Men6139%
Chronic conditions among Tammy Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease35%
- COPD28%
- Chronic kidney disease28%
- Diabetes28%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Tammy Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tammy Lynn Walker wrote 986 Medicare Part D claims in 2024
In 2024, Tammy Walker wrote 986 Medicare Part D claims for 229 patients. 88% of them were for generic drugs.
Tammy Walker's Part D claims by kind of drug, 2024
- Generic871 claims88%
- Brand-name and other115 claims12%
Drug classes CMS tracks in Tammy Walker's Part D claims, 2024
- Antibiotics8%81 of 986 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Tammy Lynn Walker takes part in Medicare
Tammy Walker 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 Lynn Walker received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Tammy Walker from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $19.
Companies that paid Tammy Walker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Tammy Lynn Walker'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 (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 Lynn Walker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tammy Lynn Walker's NPI number?
Tammy Lynn Walker's NPI number is 1124808803. It was assigned on October 2, 2023, and it is active in the NPI Registry.
What does Tammy Lynn Walker specialize in?
Tammy Lynn Walker is a family nurse practitioner in Sullivan, Indiana. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Tammy Lynn Walker practice?
Tammy Walker practices at 2200 N Section St, Sullivan, IN 47882. Tammy Walker's primary practice is Sullivan County Community Hospital in Sullivan, Indiana, part of State of Indiana.
What is Tammy Lynn Walker's office phone number?
The practice phone on file for Tammy Walker is (812) 268-4311.
What is Tammy Lynn Walker's medical license number?
Tammy Walker holds Indiana license 71014487A.
Which hospitals is Tammy Lynn Walker affiliated with?
Tammy Walker practices at Sullivan County Community Hospital in Sullivan, Indiana.
What medical group is Tammy Lynn Walker part of?
Tammy Walker is linked to Dugger Medical Clinic.
Does Tammy Lynn Walker accept Medicare?
Yes. CMS lists Tammy Walker as accepting Medicare assignment.
How many Medicare patients does Tammy Lynn Walker see?
CMS counts 156 Medicare patients who saw Tammy Walker in 2024, with an average age of 74.
Has Tammy Lynn Walker received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Tammy Walker from 1 company from 2025 to 2025. The largest total came from Hologic Inc.
How long has Tammy Lynn Walker been practicing?
Tammy Walker graduated from medical school in 2023, 3 years ago.
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