Phillip Grigsby
NPI 1740716539 · Diagnostic Radiology Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phillip Grigsby is a Diagnostic Radiology Physician provider in Loma Linda, CA (NPI 1740716539).
Provider details
- NPI number
- 1740716539
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A157441 (CA)
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
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,155 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 376 | $39 |
| X-Ray of Chest, 1 View71045 | 123 | $8 |
| Ct Scan of Upper Spine Without Contrast72125 | 103 | $46 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 101 | $79 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 89 | $81 |
| Ct Scan of Lower Spine Without Contrast72131 | 45 | $45 |
| Mri Scan of Brain Before and After Contrast |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$717 across 15 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
Additional practice locations (1)
- 7117 Brockton AveRiverside, CA 92506-2658Phone: (951) 782-3720Fax: (951) 784-3274
Registry dates
- Enumerated
- 2017-05-11
- Last updated
- 2024-09-17
- Certified
- 2024-09-17
Frequently asked questions
- What is Phillip Grigsby's NPI number?
- Phillip Grigsby's National Provider Identifier (NPI) is 1740716539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phillip Grigsby's specialty?
- Phillip Grigsby is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Phillip Grigsby located?
- Phillip Grigsby's practice location on file with NPPES is 11370 Havstad Dr, Loma Linda, CA 92354-4149.
- What is Phillip Grigsby's phone number?
- The practice phone number listed in the NPPES registry for Phillip Grigsby is (541) 761-9596.
- Does Phillip Grigsby accept Medicare?
- Phillip Grigsby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phillip Grigsby's NPI active?
- Yes — Phillip Grigsby's NPI (1740716539) is active in the NPPES registry as of the last update on 2024-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.