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- 570 W Brown Rd, Mesa, AZ 85201
About Dr. Alexander
Gretchen B. Alexander, MD is a healthcare provider in Mesa, AZ specializing in psychiatry. Gretchen trained at Perelman School of Med at the University of Pennsylvania, graduating in 1987. Medicare claims data shows Gretchen provided 104 services to 65 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. This provider record is associated with NPI 1851579783.
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
- (480) 344-2000
- Email not available
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Practice Locations
570 W BROWN RD
Mesa, AZ 85201
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Cognitive and adjustment
Eating, sleep, and somatic
Geriatric care
Mental Health
Neurodevelopmental and behavioral
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Eating Disorders
Mood & Depression
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Advanced treatment
Assessment
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
104 services · 65 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
51 | Less often than most peers in Psychiatry |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
36 | Less often than most peers in Psychiatry |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
17 | Less often than most peers in Psychiatry |
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 psychiatrists 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 — 19 related providers in 3 groups
Other psychiatrists in Mesa 3
Same specialty, same city.
Trained at Perelman School of Med at the University of Pennsylvania 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Perelman School of Med at the University of Pennsylvania 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Alexander's specialty?
Dr. Alexander is a psychiatrist in Mesa, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where can I find Dr. Alexander?
Dr. Alexander is listed at 570 W Brown Rd, Mesa, AZ 85201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Alexander?
The number on file is (480) 344-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Alexander?
Dr. Alexander's National Provider Identifier is 1851579783. 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
What is Dr. Alexander's medical education?
Dr. Alexander attended Perelman School of Med at the University of Pennsylvania, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Alexander have?
Dr. Alexander has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Alexander known for?
According to Medicare billing data, Dr. Alexander 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. Alexander's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Alexander. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.