HOLLY MARIE O'BRIEN MD
NPI 1023540184
Internal Medicine in Tampa, FL
About Holly Marie O'brien Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLY MARIE O'BRIEN MD (NPI 1023540184) is an individual internal medicine provider in Tampa, Florida, licensed in Florida (ME149682) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Holly Marie O'brien Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Holly O'brien reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tampa, FL 33612
- Reassigned Medicare billing, Florida enrollment
- 992 clinicians in this Medicare group
Tampa, FL 33602
- Reassigned Medicare billing, Florida enrollment
- 14 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Holly O'brien's NPI number?
The NPI number for Holly O'brien is 1023540184. It was assigned to this individual provider in the NPPES registry on March 29, 2017.
Where is Holly O'brien located?
Holly O'brien practices at 12902 Usf Magnolia Dr, Tampa, FL 33612. The listed phone number is (813) 745-4673.
What is Holly O'brien's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Holly O'brien enrolled in Medicare?
Yes. Holly O'brien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Holly O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly O'brien reassigns Medicare benefits to 2 organizations: H Lee Moffitt Cancer Ctr & Res Inst Life Time Cancer Scrn Ctr Inc (Tampa, FL) and Vp Health PLLC (Tampa, FL). Each 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 Holly O'brien'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 Holly O'brien was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 days 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.
# Holly Marie O'brien, MD · NPI 1023540184
Internal Medicine physician in Tampa, Florida. Individual provider, active in the CMS NPPES registry since March 29, 2017.
## Identity
- **NPI:** 1023540184 (Entity type: Individual)
- **Enumerated:** March 29, 2017
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** ME149682 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 12902 USF MAGNOLIA DR, Tampa, FL 33612-9416
- **Phone:** (813) 745-4673 · **Fax:** (813) 449-8999
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): H Lee Moffitt Cancer Ctr & Res Inst Life Time Cancer Scrn Ctr Inc (NPI 1306833595, Tampa, FL); Vp Health PLLC (NPI 1760999361, Tampa, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Florida College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023540184) · Data from the CMS NPPES public registry.