Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ALYSSA MICHELLE ROSEN M.D.
NPI 1336285261
Psychiatry & Neurology - Psychiatry in San Jose, CA

Q: What is Alyssa Rosen's NPI number?

The NPI number for Alyssa Rosen is 1336285261. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Q: What is Alyssa Rosen'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 Alyssa Rosen was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 29, 2007PECOS EnrolledAccepts Medicare Assignment

2635 ZANKER RD, SAN JOSE, CA 95134(408) 292-9353 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 12, 2026, May 22, 2026, May 4, 2026 and 4 more (7 updates tracked since 2016).

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About Dr. Alyssa Michelle Rosen M.d. NPPES

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

DR. ALYSSA MICHELLE ROSEN M.D. (NPI 1336285261) is an individual psychiatry provider in San Jose, California, licensed in California (G202216) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Chester County Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1336285261

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. ALYSSA MICHELLE ROSENCredential: M.D.

Location Address2635 ZANKER RDSan Jose, CA 95134-2107

Mailing Address4800 N Scottsdale Rd Ste 2500Scottsdale, AZ 85251-7630

Phone(408) 292-9353

Sole ProprietorNo

Medical School CMSOtherGraduated 1988

Enumeration DateJanuary 29, 2007

Last NPPES UpdateAugust 12, 20267 updates tracked since enumeration

NPPES CertifiedAugust 12, 2026

✔ NPI 1336285261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in CA · G202216✔ Licensed in NY · 179918✔ Licensed in GA · 033886✔ Licensed in FL · ME143647

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 033886 (GA), 179918-1 (NY)

2635 ZANKER RD, San Jose, CA 95134

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Secondary Practice Locations 2

Location 13280 Peachtree Rd NE Fl 7Atlanta, GA 30305-2430 · Phone (631) 559-5676 · Fax (404) 850-6099

Location 2120 Santa Margarita Ave Bldg BMenlo Park, CA 94025-2725 · Phone (404) 850-6069 · Fax (404) 850-6099

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alyssa Michelle Rosen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385730183

PECOS Enrollment IDI20260529001564

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 5

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

214 services67 patients

Psychotherapy with evaluation and management visit, 30 minutes 90833

Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.

173 services61 patients

Psychotherapy with evaluation and management visit, 45 minutes 90836

Psychotherapy with evaluation and management is a 45-minute session where a healthcare provider discusses your mental and emotional health. They assess your current state, manage any issues, and help you develop coping strategies. This service aims to improve your overall well-being.

35 services21 patients

Psychiatric services complicated by communication factor 90785

Psychiatric services complicated by communication factors involve mental health care for individuals who have challenges with communication. This can include language barriers, speech disorders, or cognitive impairments. The process involves tailored strategies to ensure effective communication and appropriate mental health care.

23 services17 patients

Psychiatric diagnostic evaluation with medical services 90792

A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.

21 services21 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Chester County Hospital

Acute Care Hospitals · West Chester, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390179

Location701 East Marshall StreetWest Chester, PA 19380 · Chester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95134 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

$206.04 typical visit price

range $70.37 – $206.04

Typical copayment $51.51 (range $17.59 – $51.51)

Most-billed visit code 99205

Established Patient

$86.56 typical visit price

range $23.96 – $169.60

Typical copayment $21.64 (range $5.99 – $42.40)

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.

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.

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