Michael Gruber, MD
NPI 1902993991 · Orthopaedic Surgery Physician · Newnan, GA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Gruber, MD is a Orthopaedic Surgery Physician provider in Newnan, GA (NPI 1902993991).
Provider details
- NPI number
- 1902993991
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 038505 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,488 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 252 | $85 |
| X-Ray of Knee, 4 Or More Views73564 | 213 | $44 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 164 | $121 |
| X-Ray of Hip, 2-3 Views73502 | 120 | $44 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 96 | $63 |
| X-Ray of Knee, 3 Views73562 | 82 | $38 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 337 | 214 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 268 | 173 |
| Celecoxib | 235 | 181 |
| Ondansetronbrand: Ondansetron Odt | 192 | 164 |
| Cephalexin | 189 | 165 |
| Dexamethasone | 144 | 136 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 98 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$75 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2013-05-23
Frequently asked questions
- What is Michael Gruber's NPI number?
- Michael Gruber's National Provider Identifier (NPI) is 1902993991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Gruber's specialty?
- Michael Gruber is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Gruber located?
- Michael Gruber's practice location on file with NPPES is 1755 Highway 34 E, Newnan, GA 30265-5631.
- What is Michael Gruber's phone number?
- The practice phone number listed in the NPPES registry for Michael Gruber is (770) 502-2175.
- Does Michael Gruber accept Medicare?
- Michael Gruber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Gruber's NPI active?
- Yes — Michael Gruber's NPI (1902993991) is active in the NPPES registry as of the last update on 2013-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.