Byron Grayson, P.A
NPI 1346299021 · Physician Assistant · Surprise, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Byron Grayson, P.A is a Physician Assistant provider in Surprise, AZ (NPI 1346299021).
Provider details
- NPI number
- 1346299021
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A
- Sex
- Male
- Sole proprietor
- No
- License
- 2956 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,076 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) |
|---|---|---|
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 806 | $38 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 672 | $102 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 455 | $50 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99344 | 62 | $114 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 32 | $147 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 165 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 553 | 111 |
| Atorvastatin Calcium | 513 | 86 |
| Quetiapine Fumarate | 466 | 91 |
| Levothyroxine Sodium | 405 | 81 |
| Gabapentin | 394 | 72 |
| Furosemide | 347 | 67 |
| Amlodipine Besylate | 321 |
Practice location
Mailing address
Additional practice locations (1)
- 14780 W Mountain View BlvdSuite 110Surprise, AZ 85374-7280Phone: (623) 374-7774
Registry dates
- Enumerated
- 2006-05-09
- Last updated
- 2020-12-30
- Certified
- 2020-12-30
Frequently asked questions
- What is Byron Grayson's NPI number?
- Byron Grayson's National Provider Identifier (NPI) is 1346299021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Byron Grayson's specialty?
- Byron Grayson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Byron Grayson located?
- Byron Grayson's practice location on file with NPPES is 12361 W Bola Dr Ste 109, Surprise, AZ 85378-9021.
- What is Byron Grayson's phone number?
- The practice phone number listed in the NPPES registry for Byron Grayson is (623) 227-1000.
- Does Byron Grayson accept Medicare?
- Byron Grayson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Byron Grayson's NPI active?
- Yes — Byron Grayson's NPI (1346299021) is active in the NPPES registry as of the last update on 2020-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.