Gregory Stocks, M.D.
NPI 1861480238 · Adult Reconstructive Orthopaedic Surgery Physician · Houston, TX
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Stocks, M.D. is a Adult Reconstructive Orthopaedic Surgery Physician provider in Houston, TX (NPI 1861480238).
Provider details
- NPI number
- 1861480238
- Entity type
- Individual
- Primary specialty
- Adult Reconstructive Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- H4731 (TX)
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
20 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
1,812 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) |
|---|---|---|
| X-Ray of Knee, 4 Or More Views73564 | 266 | $47 |
| X-Ray of Knee, 3 Views73562 | 262 | $41 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 185 | $63 |
| X-Ray of Hip, 2-3 Views73502 | 179 | $47 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 176 | $91 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 119 | $1,335 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 477 | 265 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 364 | 242 |
| Tizanidine Hcl | 303 | 172 |
| Meloxicam | 293 | 122 |
| Celecoxib | 279 | 122 |
| Methocarbamol | 155 | 95 |
| Doxycycline Hyclate | 150 | 138 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$167 across 1 record (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
- 2005-10-11
- Last updated
- 2023-05-30
- Certified
- 2023-05-30
Frequently asked questions
- What is Gregory Stocks's NPI number?
- Gregory Stocks's National Provider Identifier (NPI) is 1861480238, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Stocks's specialty?
- Gregory Stocks is listed in the NPPES registry with a primary specialty of Adult Reconstructive Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Stocks located?
- Gregory Stocks's practice location on file with NPPES is 7401 South Main St, Houston, TX 77030-4509.
- What is Gregory Stocks's phone number?
- The practice phone number listed in the NPPES registry for Gregory Stocks is (713) 799-2300.
- Does Gregory Stocks accept Medicare?
- Gregory Stocks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Stocks's NPI active?
- Yes — Gregory Stocks's NPI (1861480238) is active in the NPPES registry as of the last update on 2023-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.