Doctor profile · Federal record
Dr. Gretchen Alexander, MD
Psychiatry Physician (CMS: Psychiatry) · Mesa, AZ
- NPI 1851579783
- Accepts Medicare
- MIPS 86.0 / 100 · 2023
- 39 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
570 W Brown RD
Mesa, AZ 852013227
(480) 344-2000 - Mailing address
-
2929 E Thomas RD
Phoenix, AZ 850168034
Credentials & registration
- NPI registered
- February 2008 — 18 yrs on file
- Profile last updated
- October 14, 2011
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Arizona #37661
- Medicaid
- AZ #309461
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851579783. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
161
Distinct HCPCS
3
Medicare allowed
$11,690
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 88 | 42 | $78 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 57 | 30 | $49 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 16 | $128 |
In context: peer comparison
Among 11 peers in Mesa Psychiatry Physician, average services per provider: 83. This provider delivers 1.9× the peer median.Frequently asked questions
What is Dr. Gretchen Alexander's medical specialty?
Dr. Gretchen Alexander practices Psychiatry Physician in Mesa, AZ.
Where does Dr. Gretchen Alexander practice?
Dr. Gretchen Alexander practices at 570 W Brown RD, Mesa, AZ 852013227. Office phone: 4803442000.
What is Dr. Gretchen Alexander's NPI?
Dr. Gretchen Alexander's National Provider Identifier (NPI) is 1851579783, issued by NPPES.
Does Dr. Gretchen Alexander accept Medicare assignment?
Yes. Dr. Gretchen Alexander accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Alexander commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.