William Steve Gruss, M.D.
Internal Medicine Physician · Crystal River, FL
William Steve Gruss, M.D. is an internal medicine physician with a practice address in Crystal River, Florida, and NPI 1306982491, issued on Jan 29, 2007. Check the license (Florida ME41671, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William Steve Gruss
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- ME41671 FL
ME0041671 FL
49729 KY
Self-reported in NPPES; status is on the state search - Practice location
- 6201 N Suncoast Blvd, Crystal River, FL 34428
- Phone
- (352) 795-6560
- Enumerated
- Jan 29, 2007
- Record last updated
- Jul 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (352) 447-1705
- Medicare enrollment
- Enrolled (PECOS I20080408000131); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 6201 N Suncoast Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stacy Bahner, CRNACertified Registered Nurse Anesthetist1063469849
- Ryte Baksiene, M.D.Anesthesiology Physician1588998306
- Barbara Barfield, A.R.N.PNurse Practitioner1831127604
- Paul Blake, MDInternal Medicine Physician1366470148
Verify William Steve Gruss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME41671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average internal medicine physician in 2024
627 Medicare Part D claims for 309 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 20 claims were for opioids.
Most prescribed
- Famotidine37 claims
- Atorvastatin Calcium32 claims
- Pantoprazole Sodium30 claims
- Metoprolol Succinate28 claims
- Amoxicillin-Clavulanate Potass24 claims
- Methylprednisolone24 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.
Bills Medicare through 2 group practices
- Nature Coast Geriatric Services LLCBeverly Hills, FL
- West Florida Medical Associates, PACrystal River, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Steve Gruss among 10,151 internal medicine physician records in Florida
William Steve Gruss, M.D. is one of 10,151 internal medicine physician records with a practice address in Florida. 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 45% of them.
- NPI issued2007 · 45% of these records are older, 48% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1981 · median 2004 among the 6,606 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Crystal River
They are 10 of the 437 NPPES records with a practice address in Crystal River, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Crystal River → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Blake, MDCrystal River, FL 344281366470148
- Katie Hanshew, APRNCrystal River, FL 344281518765973
- Chi-Kwong Ng, M.D.Crystal River, FL 344281679552491
- Angela Acevedo, MDCrystal River, FL 344291104895135
- Roger Danclar, MDCrystal River, FL 344291558380139
- Olga Maric, MDCrystal River, FL 344291972581361
- Salman Muddassir, M.D.Crystal River, FL 344291578608220
- Srinivas Sanka, DOCrystal River, FL 344291205809217
Common questions
What is William Steve Gruss, M.D.'s NPI number?
William Steve Gruss, M.D.'s National Provider Identifier (NPI) is 1306982491, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Steve Gruss, M.D. located?
The NPPES record lists a practice address at 6201 N Suncoast Blvd, Crystal River, FL, 34428. Phone: (352) 795-6560. Providers update this record themselves, so call before visiting.
How can I verify William Steve Gruss, M.D.'s license?
NPPES lists Florida license number ME41671, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Steve Gruss, M.D. prescribe under Medicare Part D?
In 2024, William Steve Gruss, M.D. had 627 Medicare Part D claims for 309 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.