Frederick Gregg, D.O.
NPI 1952523607 · Orthopaedic Surgery Physician · Hattiesburg, MS
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederick Gregg, D.O. is a Orthopaedic Surgery Physician provider in Hattiesburg, MS (NPI 1952523607).
Provider details
- NPI number
- 1952523607
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 001226 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,174 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 641 | $115 |
| X-Ray of Knee, 1-2 Views73560 | 618 | $27 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 462 | $61 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 193 | $82 |
| X-Ray of Hip, 2-3 Views73502 | 150 | $37 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 128 | $27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 565 | 250 |
| Tramadol Hcl | 219 | 148 |
| Oxycodone Hcl | 83 | 69 |
| Diclofenac Sodium | 55 | 28 |
| Celecoxib | 55 | 23 |
| Gabapentin | 50 | 27 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 50 | 45 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-03
- Last updated
- 2010-07-27
Frequently asked questions
- What is Frederick Gregg's NPI number?
- Frederick Gregg's National Provider Identifier (NPI) is 1952523607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Gregg's specialty?
- Frederick Gregg is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Gregg located?
- Frederick Gregg's practice location on file with NPPES is 3688 Veterans Memorial Dr, Hattiesburg, MS 39401.
- What is Frederick Gregg's phone number?
- The practice phone number listed in the NPPES registry for Frederick Gregg is (601) 554-7400.
- Does Frederick Gregg accept Medicare?
- Frederick Gregg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederick Gregg's NPI active?
- Yes — Frederick Gregg's NPI (1952523607) is active in the NPPES registry as of the last update on 2010-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.