Physician Profile
Unclaimed ProfileAbout PERRIN
Allison Leigh Perrin, MD is a healthcare provider in Phoenix, AZ specialising in geriatric medicine. Allison trained at Wayne State University School of Medicine, graduating in 1995. Allison is also listed as specialising in hospice & palliative medicine and internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Perrin?
Dr. Perrin is a geriatric medicine in Phoenix, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GERIATRIC MEDICINE”.
NPI registry
What is Dr. Perrin's address?
Dr. Perrin is listed at 901 E WILLETTA ST, Phoenix, AZ 85006. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Perrin?
The number on file is (602) 839-6900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Perrin's NPI number?
Dr. Perrin's National Provider Identifier is 1992929624. 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 Dr. Perrin train?
Dr. Perrin attended Wayne State University School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Perrin been practising?
Dr. Perrin has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Perrin perform?
According to Medicare billing data, Dr. Perrin 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
Has Dr. Perrin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Perrin. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (602) 839-6900
- Email not available
Practice Locations
901 E WILLETTA ST
Phoenix, AZ 85006
Procedures Most Often Billed to Medicare
383 services · 205 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
176 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
162 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
33 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 6
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 geriatric medicines in Phoenix 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Wayne State University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at Wayne State University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.