Doctor profile · Federal record

Dr. Natalie Workman, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Cheyenne, WY

  • NPI 1598096182
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
310 E 24Th St
Cheyenne, WY 820013126
(307) 634-6311
fax (307) 634-5627
Mailing address
Po Box 20970
Cheyenne, WY 820037020

Credentials & registration

NPPES · NUCC
NPI registered
January 2010 — 16 yrs on file
Profile last updated
November 4, 2022
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Wyoming #9424A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598096182. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,291
Distinct HCPCS
4
Medicare allowed
$139,670
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,036 445 $97
99215 Established patient office or other outpatient visit, 40-54 minutes 154 112 $142
99205 New patient office or other outpatient visit, 60-74 minutes 87 87 $178
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $172

In context: peer comparison

Among 2 peers in this city , average services per provider: 181. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$868
Transactions
28
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 5 $90.32
Daiichi Sankyo Inc. 4 $70.66
Novartis Pharmaceuticals Corporation 3 $55.39
E.R. Squibb & Sons, L.L.C. 2 $52.99
Celgene Corporation 1 $44.68
Lilly USA, LLC 2 $44.19
Merck Sharp & Dohme LLC 2 $41.45
Regeneron Healthcare Solutions, Inc. 2 $34.32
Exelixis Inc. 1 $33.72
SOBI, INC 1 $31.98
Janssen Biotech, Inc. 1 $31.50
Genentech USA, Inc. 1 $30.52
Karyopharm Therapeutics Inc. 1 $30.14
Sumitomo Pharma America, Inc. 1 $26.06
ABBVIE INC. 1 $24.26

By nature of payment

Food and Beverage
$852
Education
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
932
Patients
290
Total drug cost
$1,137,188
Drug Type Claims Patients Total cost
Anastrozole Generic 253 54 $5,675
Pantoprazole Sodium Generic 187 61 $2,059
Prochlorperazine Maleate Generic 70 48 $872
Ondansetron Odt (Ondansetron) Brand 68 55 $2,082
Eliquis (Apixaban) Brand 48 12 $35,688
Revlimid (Lenalidomide) Brand 46 0 $1,069,738
Potassium Chloride Generic 43 19 $685
Prednisone Generic 38 14 $177
Tamoxifen Citrate Generic 32 0 $1,271
Xarelto (Rivaroxaban) Brand 27 0 $16,422

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Natalie Workman's medical specialty?
Dr. Natalie Workman practices Hematology & Oncology Physician in Cheyenne, WY.
Where does Dr. Natalie Workman practice?
Dr. Natalie Workman practices at 310 E 24Th St, Cheyenne, WY 820013126. Office phone: 3076346311.
What is Dr. Natalie Workman's NPI?
Dr. Natalie Workman's National Provider Identifier (NPI) is 1598096182, issued by NPPES.
Does Dr. Natalie Workman accept Medicare assignment?
Yes. Dr. Natalie Workman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Natalie Workman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.