Doctor profile · Federal record

Dr. Regan Holdridge, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Medical Oncology Physician · Henderson, NV

  • NPI 1093937054
  • Accepts Medicare
  • MIPS 88.9 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1505 Wigwam Pkwy Ste 130
Henderson, NV 890748195
(702) 856-1400
fax (702) 856-1407
Mailing address
400 N Stephanie St Ste 300
Henderson, NV 890146692

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
February 29, 2024
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Nevada #12846 · Vermont #042-0011321
Medicaid
AZ #371315

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093937054. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
96,331
Distinct HCPCS
10
Medicare allowed
$1,332,473
HCPCS Description Services Patients Avg allowed
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 28,050 31 $0
J1453 Injection, fosaprepitant, 1 mg 17,250 44 $0
J9271 Injection, pembrolizumab, 1 mg 12,200 13 $54
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 11,500 17 $3
J1568 Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg 6,290 20 $43
J9267 Injection, paclitaxel, 1 mg 5,160 11 $0
J0897 Injection, denosumab, 1 mg 3,240 41 $23
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,290 85 $0
J2469 Injection, palonosetron hcl, 25 mcg 1,400 49 $1
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 936 380 $8

In context: peer comparison

Among 4 peers in Henderson Hematology & Oncology Physician, average services per provider: 1,890. This provider delivers 51× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$131
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 2 $48.81
Gilead Sciences, INC. 1 $27.48
Astellas Pharma US INC 1 $20.31
Pfizer INC. 1 $20.28
Daiichi Sankyo INC. 1 $13.72

By nature of payment

Food and Beverage
$131

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
726
Patients
137
Total drug cost
$130,739
Drug Type Claims Patients Total cost
Anastrozole Generic 276 82 $7,472
Xarelto (Rivaroxaban) Brand 87 15 $89,888
Letrozole Generic 50 15 $1,015
Warfarin Sodium Generic 48 0 $499
Prednisone Generic 46 12 $333
Gabapentin Generic 45 13 $986
Eliquis (Apixaban) Brand 33 0 $25,239
Exemestane Generic 21 0 $3,144
Tamoxifen Citrate Generic 21 0 $407
Levothyroxine Sodium Generic 19 0 $274

Frequently asked questions

Auto-generated from federal data
What is Dr. Regan Holdridge's medical specialty?
Dr. Regan Holdridge practices Hematology & Oncology Physician in Henderson, NV.
Where does Dr. Regan Holdridge practice?
Dr. Regan Holdridge practices at 1505 Wigwam Pkwy Ste 130, Henderson, NV 890748195. Office phone: 7028561400.
What is Dr. Regan Holdridge's NPI?
Dr. Regan Holdridge's National Provider Identifier (NPI) is 1093937054, issued by NPPES.
Does Dr. Regan Holdridge accept Medicare assignment?
Yes. Dr. Regan Holdridge accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Regan Holdridge commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.