Doctor profile · Federal record
Dr. Allison Perrin, MD
Internal Medicine Physician (CMS: Geriatric Medicine) · Geriatric Medicine (Internal Medicine) Physician · Hospice and Palliative Medicine (Internal Medicine) Physician · Phoenix, AZ
- NPI 1992929624
- Accepts Medicare
- MIPS 98.3 / 100 · 2023
- 31 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
901 E Willetta St
Phoenix, AZ 850062727
(602) 839-6900
fax (602) 839-6906
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- May 5, 2014
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arizona #25790
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992929624. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
289
Distinct HCPCS
4
Medicare allowed
$41,753
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 173 | 96 | $173 | |
G2212 |
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 | 63 | 38 | $31 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 37 | 37 | $213 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $122 |
In context: peer comparison
Among 171 peers in Phoenix Internal Medicine Physician, average services per provider: 159. This provider delivers 1.8× the peer median.Open Payments
Industry payments received
All-time total
$1,793
Transactions
14
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 14 | $1,793.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
607
Patients
142
Total drug cost
$14,714
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Donepezil Hcl | Generic | 108 | 32 | $1,775 |
| Mirtazapine | Generic | 89 | 25 | $1,588 |
| Escitalopram Oxalate | Generic | 87 | 22 | $1,359 |
| Memantine Hcl | Generic | 72 | 21 | $3,170 |
| Quetiapine Fumarate | Generic | 66 | 15 | $1,467 |
| Trazodone Hcl | Generic | 35 | 16 | $648 |
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 26 | 0 | $322 |
| Sertraline Hcl | Generic | 21 | 11 | $190 |
| Metoprolol Tartrate | Generic | 20 | 0 | $77 |
| Lisinopril | Generic | 17 | 0 | $96 |
Hospital affiliations
Frequently asked questions
What is Dr. Allison Perrin's medical specialty?
Dr. Allison Perrin practices Internal Medicine Physician in Phoenix, AZ.
Where does Dr. Allison Perrin practice?
Dr. Allison Perrin practices at 901 E Willetta St, Phoenix, AZ 850062727. Office phone: 6028396900.
What is Dr. Allison Perrin's NPI?
Dr. Allison Perrin's National Provider Identifier (NPI) is 1992929624, issued by NPPES.
Does Dr. Allison Perrin accept Medicare assignment?
Yes. Dr. Allison Perrin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allison Perrin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); 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 (HCPCS G2212); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.