DR. TAMARA L. HOLT DO
NPI 1801855200
Internal Medicine in Tulsa, OK
About Dr. Tamara L. Holt Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TAMARA L. HOLT DO (NPI 1801855200) is an individual internal medicine provider in Tulsa, Oklahoma, licensed in North Carolina (200300993) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Tamara L. Holt Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tamara Holt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 820 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TULSA, OK 74104
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tamara Holt's NPI number?
The NPI number for Tamara Holt is 1801855200. It was assigned to this individual provider in the NPPES registry on March 23, 2006.
Where is Tamara Holt located?
Tamara Holt practices at 1145 S Utica Ave Suite 1105, Tulsa, OK 74104. The listed phone number is (918) 579-5749.
What is Tamara Holt's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tamara Holt enrolled in Medicare?
Yes. Tamara Holt is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tamara Holt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tamara Holt reassigns Medicare benefits to St. John Physicians, Inc. (Tulsa, OK). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tamara Holt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Tamara Holt was last updated on August 29, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Tamara L. Holt, DO · NPI 1801855200
Internal Medicine physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since March 23, 2006.
## Identity
- **NPI:** 1801855200 (Entity type: Individual)
- **Enumerated:** March 23, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 200300993 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 1145 S UTICA AVE, SUITE 1105, Tulsa, OK 74104-4000
- **Phone:** (918) 579-5749
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** St. John Physicians, Inc. (NPI 1336194406, Tulsa, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 29, 2012
- **Other identifiers:** Medicare UPIN E49407 (NC); Medicare ID-Type Unspecified 2401777 (NC); Medicaid T83585 (SC); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1801855200) · Data from the CMS NPPES public registry.