Gregory Carlson, M.D.
NPI 1215924329 · Orthopaedic Surgery of the Spine Physician · Orange, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Carlson, M.D. is a Orthopaedic Surgery of the Spine Physician provider in Orange, CA (NPI 1215924329).
Provider details
- NPI number
- 1215924329
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery of the Spine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G65319 (CA)
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
2,361 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 | 634 | $98 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 173 | $45 |
| X-Ray Lower and Sacral Spine, Minimum of 6 Views72114 | 154 | $70 |
| X-Ray of Entire Middle and Lower Spine, 2-3 Views72082 | 128 | $80 |
| X-Ray of Knee, 1-2 Views73560 | 123 | $39 |
| X-Ray of Both Hips, 2 Views73521 | 121 | $47 |
| X-Ray of Lower Leg, 2 Views |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 154 | 55 |
| Tramadol Hcl | 49 | 30 |
| Methocarbamol | 39 | 16 |
| Baclofen | 31 | 15 |
| Methylprednisolone | 30 | 25 |
| Naproxen | 30 | 15 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 17 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,086 across 32 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
- 2005-10-04
- Last updated
- 2022-03-22
- Certified
- 2022-03-22
Frequently asked questions
- What is Gregory Carlson's NPI number?
- Gregory Carlson's National Provider Identifier (NPI) is 1215924329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Carlson's specialty?
- Gregory Carlson is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery of the Spine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Carlson located?
- Gregory Carlson's practice location on file with NPPES is 1120 W. La Veta Avenue, Orange, CA 92868-4246.
- What is Gregory Carlson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Carlson is (714) 598-1745.
- Does Gregory Carlson accept Medicare?
- Gregory Carlson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Carlson's NPI active?
- Yes — Gregory Carlson's NPI (1215924329) is active in the NPPES registry as of the last update on 2022-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.