Doctor profile · Federal record

Dr. Michael Gruber, MD

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Sports Medicine (Orthopaedic Surgery) Physician · Newnan, GA

  • NPI 1902993991
  • Accepts Medicare
  • MIPS 89.9 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1755 Highway 34 E, Suite 2200
Newnan, GA 302655631
(770) 502-2175
fax (770) 502-2131

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
May 23, 2013
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Georgia #038505

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902993991. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,228
Distinct HCPCS
10
Medicare allowed
$312,398
HCPCS Description Services Patients Avg allowed
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg 3,552 69 $17
99213 Established patient office or other outpatient visit, 20-29 minutes 217 185 $86
73564 X-ray of knee, 4 or more views 216 174 $43
99214 Established patient office or other outpatient visit, 30-39 minutes 210 191 $121
20610 Aspiration and/or injection of fluid from large joint 134 87 $63
73502 X-ray of hip, 2-3 views 117 100 $44
73562 X-ray of knee, 3 views 103 91 $38
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 87 26 $6
27447 Replacement of knee joint, both sides of knee 85 83 $1,237
99203 New patient office or other outpatient visit, 30-44 minutes 84 84 $107

In context: peer comparison

Among 8 peers in this city , average services per provider: 120. This provider delivers 44× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$75
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
DePuy Synthes Sales Inc. 2 $75.46

By nature of payment

Food and Beverage
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,649
Patients
1,227
Total drug cost
$9,514
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 378 217 $1,236
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 280 175 $2,433
Celecoxib Generic 182 158 $1,432
Ondansetron Odt (Ondansetron) Brand 177 152 $1,873
Cephalexin Generic 171 156 $590
Dexamethasone Generic 139 133 $272
Gabapentin Generic 104 83 $536
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 94 73 $569
Methylprednisolone Generic 43 42 $371
Amoxicillin Generic 27 19 $28

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Gruber's medical specialty?
Dr. Michael Gruber practices Orthopaedic Surgery Physician in Newnan, GA.
Where does Dr. Michael Gruber practice?
Dr. Michael Gruber practices at 1755 Highway 34 E, Newnan, GA 302655631. Office phone: 7705022175.
What is Dr. Michael Gruber's NPI?
Dr. Michael Gruber's National Provider Identifier (NPI) is 1902993991, issued by NPPES.
Does Dr. Michael Gruber accept Medicare assignment?
Yes. Dr. Michael Gruber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Gruber commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg (HCPCS J3304); Established patient office or other outpatient visit (HCPCS 99213); X-ray of knee, 4 or more views (HCPCS 73564). Source: CMS Medicare Physician & Other Practitioners file.