ALISON C. MAY M.D.
NPI 1093843815
Psychiatry & Neurology - Psychiatry in San Francisco, CA

Q: What is Alison May's NPI number?

The NPI number for Alison May is 1093843815. It was assigned to this individual provider in the NPPES registry on March 1, 2007.

Q: What is Alison May's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: Is Alison May enrolled in Medicare?

No. Alison May has opted out of Medicare through November 6, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Alison May was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 01, 2007Opted out of Medicare · through Nov 6, 2027

401 PARNASSUS AVE, BOX 0984-RTP, SAN FRANCISCO, CA 94143(415) 476-7577 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Alison C. May M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALISON C. MAY M.D. (NPI 1093843815) is an individual psychiatry provider in San Francisco, California, licensed in California (A97576) and active in the NPI registry since March 2007. She has opted out of Medicare through November 6, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1093843815

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameALISON C. MAYCredential: M.D.

Location Address401 PARNASSUS AVE, BOX 0984-RTPSan Francisco, CA 94143-2211

Mailing Address401 Parnassus, Box 0984-rtpSan Francisco, CA 94143-0984 · (415) 476-7577

Phone(415) 476-7577

Sole ProprietorYes

Enumeration DateMarch 1, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1093843815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · A97576

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

401 PARNASSUS AVE, San Francisco, CA 94143

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

Alison C. May M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 6, 2015 through November 6, 2027.

Opt-Out Effective DateNovember 6, 2015

Opt-Out In Effect ThroughNovember 6, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$202.35 typical visit price

range $69.00 – $202.35

Typical copayment $50.58 (range $17.25 – $50.58)

Most-billed visit code 99205

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CANDY HO KATOA PSY.D.

Psychologist (Clinical)

401 PARNASSUS AVE, LP 488
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-7133

CATHLEEN M CHRISTENSEN MSW

Social Worker (Clinical)