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Edit this profileWhere to find Grayson S. Halladay, PA-C
- Phoenix location main office
9321 W Thomas Rd Ste 205, Phoenix, AZ 85037 - Phoenix location
18444 N 25th Ave Ste 210, Phoenix, AZ 85023
About Grayson Halladay
Grayson S. Halladay, PA-C is a physician assistant practicing in Phoenix, AZ. Grayson is also listed as specializing in physician assistant — surgical. Medicare claims data shows Grayson provided 517 services to 448 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, x-ray of lower and sacral spine, 2-3 views, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1225589021.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (866) 974-2673
- Email not available
Practice Locations
9321 W THOMAS RD STE 205
Phoenix, AZ 85037
18444 N 25th Ave Ste 210
Phoenix, AZ 85023
Procedures Most Often Billed to Medicare
517 services · 448 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | Procedure | 22853 |
32 | As often as other peers in Physician Assistant |
| Fusion of spine in lower back | Procedure | 22612 |
17 | As often as other peers in Physician Assistant |
| Fusion of lower spine bone through abdomen with partial removal of disc | Procedure | 22558 |
15 | Less often than most peers in Physician Assistant |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
111 | More than most peers in Physician Assistant |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
20 | As often as other peers in Physician Assistant |
| X-ray of middle spine, 2 views | Imaging | 72070 |
12 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
116 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
89 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
48 | More often than most peers in Physician Assistant |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
43 | As often as other peers in Physician Assistant |
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.
Other physician assistants at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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.
More connections — 32 related providers in 4 groups
Other physician assistants in Phoenix 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of cage or mesh device to spine bone and disc space during spine fusion 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What kind of doctor is Grayson S. Halladay?
Grayson S. Halladay is a physician assistant in Phoenix, AZ. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Grayson S. Halladay's address?
Grayson S. Halladay is listed at 9321 W Thomas Rd Ste 205, Phoenix, AZ 85037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Grayson S. Halladay?
The number on file is (866) 974-2673. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Grayson S. Halladay?
Grayson S. Halladay's National Provider Identifier is 1225589021. 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
Where did Grayson S. Halladay train?
Grayson S. Halladay attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Grayson S. Halladay have?
Grayson S. Halladay has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What procedures does Grayson S. Halladay perform?
According to Medicare billing data, Grayson S. Halladay performs procedures including insertion of cage or mesh device to spine bone and disc space during spine fusion, fusion of spine in lower back and fusion of lower spine bone through abdomen with partial removal of disc; reads or performs imaging such as x-ray of lower and sacral spine, 2-3 views and x-ray of upper spine, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Grayson S. Halladay's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Grayson S. Halladay. If this is you, claiming it is free.
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