Doctor profile · Federal record

Dr. William Gruss, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Crystal River, FL

  • NPI 1306982491
  • Accepts Medicare
  • 45 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6201 N Suncoast Blvd
Crystal River, FL 344286712
(352) 795-6560
fax (352) 447-1705
Mailing address
9741 Vineyard CT
Boca Raton, FL 334284344

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 9, 2021
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
Florida #ME41671 · Florida #ME0041671 · Kentucky #49729

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306982491. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,389
Distinct HCPCS
6
Medicare allowed
$297,852
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 914 783 $172
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 853 257 $79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 300 271 $118
99239 Hospital discharge day management, more than 30 minutes 298 279 $113
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 13 13 $207
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $130

In context: peer comparison

Among 4 peers in Crystal River Internal Medicine Physician, average services per provider: 152. This provider delivers 16× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
287
Patients
277
Total drug cost
$12,773
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 29 28 $209
Metoprolol Tartrate Generic 28 27 $116
Pantoprazole Sodium Generic 24 22 $288
Famotidine Generic 22 21 $229
Lisinopril Generic 20 20 $75
Metoprolol Succinate Generic 20 20 $249
Clopidogrel (Clopidogrel Bisulfate) Brand 19 19 $112
Eliquis (Apixaban) Brand 19 16 $10,839
Carvedilol Generic 18 17 $123
Furosemide Generic 18 17 $68

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Gruss's medical specialty?
Dr. William Gruss practices Internal Medicine Physician in Crystal River, FL.
Where does Dr. William Gruss practice?
Dr. William Gruss practices at 6201 N Suncoast Blvd, Crystal River, FL 344286712. Office phone: 3527956560.
What is Dr. William Gruss's NPI?
Dr. William Gruss's National Provider Identifier (NPI) is 1306982491, issued by NPPES.
Does Dr. William Gruss accept Medicare assignment?
Yes. Dr. William Gruss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Gruss commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.