Tammy Holder, CNP
- Medicare patients, 2024
- 60
- Part D claims, 2024
- 1,569
- Hospital affiliations
- 1
- Industry payments
- $18
- Medical group
- 1
- Practice address
- 817 E 6th St Chickasaw Nation Medical Center, Tishomingo, OK 73460-1800
- Practice phone
- Call (580) 371-2392
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chickasaw Nation Tishomingo Clinic
Multi-specialty group site · Tishomingo, Oklahoma
Find Tammy Holder'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 Holder is a nurse practitioner in Tishomingo, Oklahoma
Tammy Holder practices at Chickasaw Nation Tishomingo Clinic in Tishomingo, Oklahoma.
Tammy Holder's NPI, 1730530932, was assigned on June 29, 2016. Tammy Holder holds Oklahoma license 94202.
- NPI
- 1730530932NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113213562
- NPI enumeration date
- June 29, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (580) 371-2392
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tammy Holder practices at Chickasaw Nation Tishomingo Clinic in Tishomingo, Oklahoma
Tammy Holder's primary practice is Chickasaw Nation Tishomingo Clinic, at 817 E 6th St Chickasaw Nation Medical Center, Tishomingo, OK 73460-1800. The practice phone is (580) 371-2392.
- Chickasaw Nation Tishomingo Clinic817 E 6th St Chickasaw Nation Medical Center, Tishomingo, OK 73460-1800Phone(580) 371-2392
Source: Dmand AI Affiliation Data
Tammy Holder is affiliated with 2 sites of care and 1 medical group
Tammy Holder's primary practice is Chickasaw Nation Tishomingo Clinic in Tishomingo, Oklahoma. Tammy Holder is also affiliated with Chickasaw Nation Medical Center. The medical group on file is Chickasaw Nation Medical Center.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Tammy Holder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Holder practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chickasaw Nation Tishomingo Clinic | 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 Holder is one of 565 nurse practitioners in Oklahoma
Nurse practitioner is Tammy Holder's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Tammy Holder is licensed in Oklahoma.
Specialties and state licenses
- Nurse practitioner, OklahomaPrimary
Nurse practitioners near Tammy Holder
Counts of 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 Holder treated 60 Medicare patients in 2024, average age 70
CMS counts 60 Medicare patients who saw Tammy Holder in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tammy Holder's median patient age at 68, with 74% women.
Tammy Holder's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Tammy Holder's Medicare patients by sex, 2024
- Women4473%
- Men1627%
Chronic conditions among Tammy Holder's Medicare patients, 2024
- High blood pressure75%
- High cholesterol63%
- Arthritis53%
- Mood disorders35%
- Anxiety33%
- Depression32%
- Diabetes32%
- COPD27%
Share of Medicare patients with each condition. A patient can have several.
Tammy Holder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women74%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tammy Holder wrote 1,569 Medicare Part D claims in 2024
In 2024, Tammy Holder wrote 1,569 Medicare Part D claims for 73 patients. 80% of them were for generic drugs.
Tammy Holder's Part D claims by kind of drug, 2024
- Generic1,260 claims80%
- Brand-name and other309 claims20%
Drug classes CMS tracks in Tammy Holder's Part D claims, 2024
- Opioids1%14 of 1,569 claims
- Antibiotics3%44 of 1,569 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 Holder takes part in Medicare
Tammy Holder 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 Holder received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Tammy Holder from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $18.
Companies that paid Tammy Holder 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 Holder'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 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 Holder
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 Holder's NPI number?
Tammy Holder's NPI number is 1730530932. It was assigned on June 29, 2016, and it is active in the NPI Registry.
What does Tammy Holder specialize in?
Tammy Holder is a nurse practitioner in Tishomingo, Oklahoma. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Tammy Holder practice?
Tammy Holder practices at 817 E 6th St Chickasaw Nation Medical Center, Tishomingo, OK 73460-1800. Tammy Holder's primary practice is Chickasaw Nation Tishomingo Clinic in Tishomingo, Oklahoma.
What is Tammy Holder's office phone number?
The practice phone on file for Tammy Holder is (580) 371-2392.
What is Tammy Holder's medical license number?
Tammy Holder holds Oklahoma license 94202.
Which hospitals is Tammy Holder affiliated with?
Tammy Holder is affiliated with Chickasaw Nation Medical Center.
What medical group is Tammy Holder part of?
Tammy Holder is linked to Chickasaw Nation Medical Center.
Does Tammy Holder accept Medicare?
Yes. CMS lists Tammy Holder as accepting Medicare assignment.
How many Medicare patients does Tammy Holder see?
CMS counts 60 Medicare patients who saw Tammy Holder in 2024, with an average age of 70.
Has Tammy Holder received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Tammy Holder from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Tammy Holder been practicing?
Tammy Holder graduated from medical school in 2016, 10 years ago.
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