Greg E. Fihn, DO
Family Medicine Physician · Las Vegas, NV
Greg E. Fihn, DO is a family medicine physician with a practice address in Las Vegas, Nevada, and NPI 1114013901, issued on Oct 5, 2006. Check the license (Nevada 647, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Greg E. Fihn
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 647 NV
Self-reported in NPPES; status is on the state search - Practice location
- 915 S Rainbow Blvd, Las Vegas, NV 89145
- Phone
- (725) 220-8667
- Enumerated
- Oct 5, 2006
- Record last updated
- Apr 14, 2026
- Fax
- (833) 749-0353
- Medicaid ID
- 1114013901 NV
- Medicare enrollment
- Enrolled (PECOS I20070816000140); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,243 in Nevada → Look up another NPI →
Also registered at 915 S Rainbow Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Greg E. Fihn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% more Medicare Part D claims than the average family medicine physician in 2024
7,016 Medicare Part D claims for 617 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 84 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium579 claims
- Amlodipine Besylate351 claims
- Atorvastatin Calcium323 claims
- Losartan Potassium286 claims
- Lisinopril264 claims
- Levothyroxine Sodium244 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.
Industry payments in 2024: $172.39
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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
- Centerwell Senior Primary Care NV P CLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Greg E. Fihn among 1,243 family medicine physician records in Nevada
Greg E. Fihn, DO is one of 1,243 family medicine physician records with a practice address in Nevada. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1992 · median 2008 among the 726 with a school on file
- Record last updated2026 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
578 family medicine physician records list a practice address in Las Vegas
They are 578 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,243 family medicine physician records in Nevada.
All 1,243 in Nevada → Every provider in Las Vegas → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Douglas Budde, MDLas Vegas, NV 891451457321580
- Son Bui, DOLas Vegas, NV 891451205861820
- Michael Coy, D.O.Las Vegas, NV 891451669407144
- Ati Hakimi, MDLas Vegas, NV 891451881635654
- F Johnson, MDLas Vegas, NV 891451760578371
- Hisana Qamar, MDLas Vegas, NV 891451730167867
- Muhammad Qamar, MDLas Vegas, NV 891451245281666
- Monica Rawlinson-South, M.D.Las Vegas, NV 891451548384514
Common questions
What is Greg E. Fihn, DO's NPI number?
Greg E. Fihn, DO's National Provider Identifier (NPI) is 1114013901, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Greg E. Fihn, DO located?
The NPPES record lists a practice address at 915 S Rainbow Blvd, Las Vegas, NV, 89145. Phone: (725) 220-8667. Providers update this record themselves, so call before visiting.
How can I verify Greg E. Fihn, DO's license?
NPPES lists Nevada license number 647, 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 Greg E. Fihn, DO prescribe under Medicare Part D?
In 2024, Greg E. Fihn, DO had 7,016 Medicare Part D claims for 617 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.