Dr. Tamara L. Holt, DO
- Medicare services, 2016
- 709
- Part D claims, 2016
- 11
- Hospital affiliations
- 1
- Industry payments
- $202
- Medical groups
- 2
- Practice address
- 1923 South Utica Avenue, Tulsa, OK 74104
- Practice phone
- Call (918) 744-2296
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Holt'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.
Dr. Tamara L. Holt is an internist in Tulsa, Oklahoma
Dr. Holt practices at Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance.
Dr. Holt's NPI, 1801855200, was assigned on March 23, 2006. Dr. Holt graduated from Oklahoma State University College of Osteopathic Medicine in 1985. Dr. Holt holds North Carolina license 200300993.
- NPI
- 1801855200NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2006
- NPI status
- Active
- Practice phone
- (918) 744-2296
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Tamara L. Holt practices at Ascension St. John Medical Center in Tulsa, Oklahoma
Dr. Holt's primary practice is Ascension St. John Medical Center, at 1923 South Utica Avenue, Tulsa, OK 74104 in Tulsa County. The practice phone is (918) 744-2296.
- Ascension St. John Medical Center1923 South Utica Avenue, Tulsa, OK 74104 · Tulsa CountyPhone(918) 744-2296
Source: Dmand AI Affiliation Data
Dr. Tamara L. Holt is affiliated with 4 sites of care and 2 medical groups
Dr. Holt's primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. The medical group on file is Ascension St. John. Dmand AI also links Dr. Holt to 2 more group practices and clinics, 1 urgent care center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tamara L. Holt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holt practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. John Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tamara L. Holt is one of 1,018 internists in Oklahoma
Internal medicine is Dr. Holt's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Holt is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Holt
Counts of internists 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
Dr. Tamara L. Holt billed Medicare for 709 services in 2016
CMS data shows 709 Medicare services from Dr. Holt across 6 procedure codes in 2016. Medicare paid $42,038 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Holt compared with the Oklahoma median for internists, 2016
- Dr. Holt
- Oklahoma median
- Medicare services
- 709vs 63611% above
- Part D claims
- 11vs 28296% below
Medians across 969 internists in Oklahoma with Dmand AI profiles that report each measure.
Dr. Holt's most billed Medicare procedure codes, 2016
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 Dr. Holt?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Holt and other internists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tamara L. Holt's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Holt's median patient age at 64, with 100% women.
Dr. Holt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Tamara L. Holt wrote 11 Medicare Part D claims in 2016
In 2016, Dr. Holt wrote 11 Medicare Part D claims. They cover 1 drug, with $106 in total drug cost.
Dr. Holt's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Tamara L. Holt received $202 in industry payments from 2016 to 2025
CMS Open Payments shows 4 general payments to Dr. Holt from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $118.
General payments to Dr. Holt by program year, 2016 to 2025
Companies that paid Dr. Holt the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tamara L. Holt graduated from Oklahoma State University College of Osteopathic Medicine
Dr. Holt graduated from Oklahoma State University College of Osteopathic Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tamara L. Holt'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 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Tamara L. Holt
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Tamara L. Holt's NPI number?
Dr. Tamara L. Holt's NPI number is 1801855200. It was assigned on March 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tamara L. Holt?
Dr. Tamara L. Holt is an internist in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tamara L. Holt practice?
Dr. Holt practices at 1923 South Utica Avenue, Tulsa, OK 74104. Dr. Holt's primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. Dmand AI also links Dr. Holt to 2 group practices and clinics, 1 urgent care center and 1 medical group.
What is Dr. Tamara L. Holt's office phone number?
The practice phone on file for Dr. Holt is (918) 744-2296.
What is Dr. Tamara L. Holt's medical license number?
Dr. Holt holds North Carolina license 200300993.
Which hospitals is Dr. Tamara L. Holt affiliated with?
Dr. Holt practices at Ascension St. John Medical Center in Tulsa, Oklahoma.
What medical group is Dr. Tamara L. Holt part of?
Dr. Holt is linked to Ascension St. John. Dmand AI links Dr. Holt to 1 more medical group.
Does Dr. Tamara L. Holt accept Medicare?
Yes. CMS data shows Dr. Holt billed Medicare for 709 services in 2016.
What services does Dr. Tamara L. Holt bill to Medicare?
In 2016, Dr. Holt's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Tamara L. Holt go to medical school?
Dr. Holt graduated from Oklahoma State University College of Osteopathic Medicine in 1985.
Show 3 more questionsShow fewer questions
What drugs does Dr. Tamara L. Holt prescribe most?
In 2016 Medicare Part D data, Dr. Holt's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Tamara L. Holt received payments from drug or device companies?
CMS Open Payments shows $202 in general payments to Dr. Holt from 3 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Tamara L. Holt been practicing?
Dr. Holt graduated from medical school in 1985, 41 years ago.
Selling to internal medicine practices?
See internists in Oklahoma by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card