Gregory Grant, M.D.
NPI 1699711838 · Orthopaedic Surgery Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Grant, M.D. is a Orthopaedic Surgery Physician provider in Phoenix, AZ (NPI 1699711838).
Provider details
- NPI number
- 1699711838
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 28675 (AZ)
Specialties & taxonomies
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
727 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 135 | $119 |
| X-Ray of Hip, 2-3 Views73502 | 78 | $44 |
| X-Ray of Upper Arm, Minimum of 2 Views73060 | 70 | $29 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 59 | $52 |
| X-Ray of Knee, 1-2 Views73560 | 44 | $31 |
| X-Ray of Ankle, 2 Views73600 | 38 | $29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$145 across 8 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
- 2006-06-22
- Last updated
- 2007-10-12
Frequently asked questions
- What is Gregory Grant's NPI number?
- Gregory Grant's National Provider Identifier (NPI) is 1699711838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Grant's specialty?
- Gregory Grant is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Grant located?
- Gregory Grant's practice location on file with NPPES is 525 N 18th St, Phoenix, AZ 85006-4102.
- What is Gregory Grant's phone number?
- The practice phone number listed in the NPPES registry for Gregory Grant is (602) 252-3829.
- Does Gregory Grant accept Medicare?
- Gregory Grant is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Grant's NPI active?
- Yes — Gregory Grant's NPI (1699711838) is active in the NPPES registry as of the last update on 2007-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.