Physician Profile
Unclaimed ProfileAbout GRAYSON
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Areas of Expertise
Common questions
What does Dr. Grayson specialise in?
Dr. Grayson is a physician assistant in Surprise, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Physician Assistant”.
NPI registry
Where is Dr. Grayson located?
Dr. Grayson is listed at 12361 W BOLA DR STE 109, Surprise, AZ 85378. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Grayson's phone number?
The number on file is (623) 227-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Grayson?
Dr. Grayson's National Provider Identifier is 1346299021. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Dr. Grayson have?
Dr. Grayson has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What does Dr. Grayson do most often?
According to Medicare billing data, Dr. Grayson the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Grayson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grayson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (623) 227-1000
- Email not available
Practice Locations
12361 W BOLA DR STE 109
Surprise, AZ 85378
Procedures Most Often Billed to Medicare
2,076 services · 535 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
806 |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
672 |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
455 |
| Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99344 |
62 |
| Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99350 |
32 |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Billing code | G0438 |
28 |
| Advance care planning, first 30 minutes | Office visit | 99497 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Surprise 8
Same specialty, same city.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.