Regan C. Holdridge, MD
Hematology & Oncology Physician · Henderson, NV
Regan C. Holdridge, MD is a hematology & oncology physician with a practice address in Henderson, Nevada, and NPI 1093937054, issued on May 2, 2007. Check the license (Nevada 12846, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Regan C. Holdridge
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 12846 NV
042-0011321 VT
Self-reported in NPPES; status is on the state search - Practice location
- 1505 Wigwam Pkwy Ste 130, Henderson, NV 89074
- Phone
- (702) 856-1400
- Enumerated
- May 2, 2007
- Record last updated
- Feb 29, 2024
- Fax
- (702) 856-1407
- Medicaid ID
- 371315 AZ
- Medicare enrollment
- Enrolled (PECOS I20081103000738); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 88 in Nevada → Look up another NPI →
Also registered at 1505 Wigwam Pkwy Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachary Dixon, PA-CPhysician Assistant1386427375
- Tracey Neuman, APRNNurse Practitioner1780241778
- Anthony Nguyen, MDHematology & Oncology Physician1831317551
Verify Regan C. Holdridge in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 12846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,082 Medicare Part D claims for 221 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Anastrozole303 claims
- Xarelto60 claims
- Warfarin Sodium55 claims
- Letrozole51 claims
- Prednisone27 claims
- Acyclovir25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 90.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $130.60
6 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Allison Curtis Kingsley Meoz Michael And Sanchez PCHenderson, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Regan C. Holdridge among 88 hematology & oncology physician records in Nevada
Regan C. Holdridge, MD is one of 88 hematology & oncology physician records with a practice address in Nevada. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 64% of them.
- NPI issued2007 · 64% of these records are older, 24% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2002 · median 1995 among the 64 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Nevada
There are 88 hematology & oncology physician records in Nevada.
All 88 in Nevada → Every provider in Henderson → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Paul Michael, MDHenderson, NV 890741972512390
- Anthony Nguyen, MDHenderson, NV 890741831317551
- Julie Oda, M.D.Henderson, NV 890741033538996
- Delva Deauna-Limayo, M.D.N Las Vegas, NV 890861952414948
- Rita Maity, MDNorth Las Vegas, NV 890861649241472
- Desh Sharma, MDN Las Vegas, NV 890861356442438
- Naman Sharma, MDNorth Las Vegas, NV 890861982180345
- Carol Velez MartinezNorth Las Vegas, NV 890861235636986
Common questions
What is Regan C. Holdridge, MD's NPI number?
Regan C. Holdridge, MD's National Provider Identifier (NPI) is 1093937054, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Regan C. Holdridge, MD located?
The NPPES record lists a practice address at 1505 Wigwam Pkwy Ste 130, Henderson, NV, 89074. Phone: (702) 856-1400. Providers update this record themselves, so call before visiting.
How can I verify Regan C. Holdridge, MD's license?
NPPES lists Nevada license number 12846, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Regan C. Holdridge, MD prescribe under Medicare Part D?
In 2024, Regan C. Holdridge, MD had 1,082 Medicare Part D claims for 221 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Regan C. Holdridge, MD's MIPS final score?
The 2023 MIPS final score is 90.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.