DR. STEPHEN C ALLISON M.D.
NPI 1023336294
Psychiatry & Neurology - Psychiatry in Greenbrae, CA

Q: What is Stephen Allison's NPI number?

The NPI number for Stephen Allison is 1023336294. It was assigned to this individual provider in the NPPES registry on May 12, 2010.

Q: What is Stephen Allison's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stephen Allison was last updated on March 28, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 12, 2010PECOS Enrolled

250 BON AIR RD, GREENBRAE, CA 94904(415) 925-7663(415) 925-7665 Get Directions Write a Review

NPPES record last updated: March 28, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 24, 2021, Mar 23, 2016 (2 updates tracked since 2016).

On this page

About Dr. Stephen C Allison M.d. NPPES

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

DR. STEPHEN C ALLISON M.D. (NPI 1023336294) is an individual psychiatry provider in Greenbrae, California, licensed in California (A118576) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2010).

NPPES Registry Identity

NPI1023336294

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. STEPHEN C ALLISONCredential: M.D.

Location Address250 BON AIR RDGreenbrae, CA 94904-1702

Mailing Address250 Bon Air Rd Unit AGreenbrae, CA 94904-1702 · (415) 925-8808

Phone(415) 925-7663

Fax(415) 925-7665

Sole ProprietorNo

Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2010

Enumeration DateMay 12, 2010

Last NPPES UpdateMarch 28, 20222 updates tracked since enumeration

NPPES CertifiedMarch 28, 2022

✔ NPI 1023336294 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 · A118576

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.

250 BON AIR RD, Greenbrae, CA 94904

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stephen C Allison M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002030509

PECOS Enrollment IDI20140623002268

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

176 services37 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

21 services18 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

18 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94904 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

$202.63 typical visit price

range $69.07 – $202.63

Typical copayment $50.65 (range $17.26 – $50.65)

Most-billed visit code 99205

Established Patient

$85.00 typical visit price

range $23.44 – $166.64

Typical copayment $21.25 (range $5.86 – $41.66)

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.