Doctors and health care providers in Casper, WY
1,924 individual NPPES records list a practice address in Casper, 2nd of 45 Wyoming cities. The largest group is case manager/care coordinator: 219, 11% of the city's records, against 10% across Wyoming. Page 14 of 39.
The 8 largest groups in Casper
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Casper in Wyoming
- Rank in Wyoming2nd of 45 cities by records
- Share of the state14.7% of Wyoming's records
- Specialties present25 or more taxonomy codes
- Top three groups24.5% of all records
- Case Manager/Care Coordinator rank2nd of the 10 Wyoming cities with the most
Compared with Wyoming as a whole, Casper has 2.2× the state's share of student in an organized health care education/training program records.
Providers in Casper, alphabetically
- Brittany Greenbaum, D.O.Otolaryngology Physician1952793416
- Jennifer Greenup, LCSWClinical Social Worker1841423688
- Clarissa Gregory, PHARMDPharmacist1750714143
- Nicolette Grening, PA-CPhysician Assistant1598378564
- Emily Griesbach, PHARM.D.Pharmacist1508291147
- Tracy GriffeeCase Manager/Care Coordinator1992031983
- Kayla GriffinCase Manager/Care Coordinator1306715404
- Jenni Griffith, PA-CPhysician Assistant1952881872
- Randall Griffith, D.D.S.General Practice Dentistry1992827489
- Rebecca Griffith, R.N.General Practice Registered Nurse1568589554
- Heather Grigg, MOTR/LOccupational Therapist1841447232
- Debra Griner, FNP-CFamily Nurse Practitioner1861460289
- Michelle Grissom, MS, LPCCounselor1023254554
- Maggie Grooms, PHARM.D., R.PH.Pharmacist1881020337
- Sarah Grooms, MDPediatrics Physician1609887470
- Breck Groskreutz, PA-CPhysician Assistant1972130565
- Shelby GroskreutzPhysical Therapist1699387027
- Bengt Grua, MDPain Medicine (Anesthesiology) Physician1275093650
- Denice Grubb, H.I.S.Hearing Instrument Specialist1821491911
- Robert Grubb, H.I.S.Hearing Instrument Specialist1316199623
- Megan GrubeEmergency Medicine Physician1811314099
- Amy Gruwell, FNPNurse Practitioner1699761585
- Alanna Gudmunson, DVMVeterinarian1205785524
- Elizabeth Gunderson, MASTERSCounselor1285955690
- Jana Gurkin, PPCProfessional Counselor1720831266
- Maxwell Gustafson, ODOptometrist1720581333
- Paul Gustafson, O.D.Optometrist1184666422
- Aleece Gutierrez, LMSWClinical Social Worker1306878913
- Elizabeth Gutierrez, PHARM DPharmacist1992005557
- Teresa Gutwein, BSWCase Manager/Care Coordinator1740426279
- Ann Haack, PAPhysician Assistant1629037130
- James Haden, MDUrology Physician1578679809
- Miranda Haefele, DDSGeneral Practice Dentistry1104173517
- Peter Haftkowycz, M.D.Anesthesiology Physician1740742303
- Reed Haga, DOStudent in an Organized Health Care Education/Training Program1285423988
- Keith Hageman, LPCProfessional Counselor1629779012
- Kyra HagemanCase Manager/Care Coordinator1023537453
- Robert Hageman, DDSOral and Maxillofacial Surgery (Dentist)1558439265
- Brittany Hager, PA-CMedical Physician Assistant1285117903
- Mary Hager, MS FNPFamily Nurse Practitioner1003994484
- Jamaica Hahn, COTAOccupational Therapy Assistant1124208517
- Joseph Hahn, MDOrthopaedic Surgery Physician1114192473
- Teecee Hailey-Fulfer, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1093117210
- Jody Halferty, R.N.Registered Nurse1619128352
- Allana Hall, MDPsychiatry Physician1417698572
- Cami HallCase Manager/Care Coordinator1053000448
- Marguerite Hall, R.N.General Practice Registered Nurse1164549150
- Sarah Hall, PA-CPhysician Assistant1881355865
- Cristy Hall-Ederer, DNPFamily Nurse Practitioner1942710447
- Kelsey Halstead, DPTPhysical Therapist1093196248
The largest Wyoming cities
- Cheyenne2,782
- Laramie1,606
- Sheridan860
- Gillette696
- Rock Springs620
How to read this directory
Casper, Wyoming appears in the CMS National Plan and Provider Enumeration System with 1,924 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Casper - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Casper practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.
The provider mix in Casper is weighted toward Case Manager/Care Coordinator (219 clinicians, followed by Clinical Social Worker with 154 and Professional Counselor with 98). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Wyoming's population, Casper reports roughly 329.4 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.
Of Wyoming's most common specialties, Community Health Worker is the most prominent one with no provider currently listing a Casper practice address, a coverage gap Casper patients typically fill by traveling to a larger nearby hub.
For Casper patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.
For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.
Common questions
How many doctors are in Casper, WY?
There are 1,924 registered healthcare providers in Casper, WY, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Casper?
The most common specialties in Casper are Case Manager/Care Coordinator, Clinical Social Worker, Professional Counselor, Pharmacist, Physical Therapist. Case Manager/Care Coordinator has the most providers with 219.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.
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.