DR. LYDIA CHRYSSA ALEXANDER M.D.
NPI 1578717237
Internal Medicine in San Francisco, CA

Active since November 07, 2008PECOS Enrolled
2425 GEARY BLVD, SAN FRANCISCO, CA 94115(415) 833-2000 Get Directions Write a Review

NPPES record last updated: November 7, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Lydia Chryssa Alexander M.d. NPPES

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

DR. LYDIA CHRYSSA ALEXANDER M.D. (NPI 1578717237) is an individual internal medicine provider in San Francisco, California, licensed in California (A100407) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578717237
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. LYDIA CHRYSSA ALEXANDERCredential: M.D.
Location Address2425 GEARY BLVDSan Francisco, CA 94115-3358
Mailing Address2425 Geary BlvdSan Francisco, CA 94115-3358 · (415) 833-2000
Sole ProprietorNo
Enumeration DateNovember 7, 2008
NPI 1578717237 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A100407
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2425 GEARY BLVD, San Francisco, CA 94115

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. Lydia Chryssa Alexander M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94115 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
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.

Nurse Practitioner (Family)
2425 GEARY BLVD, PERIOPERATIVE MEDICINE CENTER - 4404A
SAN FRANCISCO, CA 94115
Pediatrics
2425 GEARY BLVD, RM 3145
SAN FRANCISCO, CA 94115
Pediatrics
2425 GEARY BLVD
SAN FRANCISCO, CA 94115
Pharmacist
2425 GEARY BLVD
SAN FRANCISCO, CA 94115
Nurse Practitioner (Family)
2425 GEARY BLVD, EMPLOYEE HEALTH
SAN FRANCISCO, CA 94115
Nurse Practitioner (Family)
2425 GEARY BLVD
SAN FRANCISCO, CA 94115
Nurse Anesthetist, Certified Registered
2425 GEARY BLVD, DEPT. OF ANESTHESIA
SAN FRANCISCO, CA 94115
Pharmacist
2425 GEARY BLVD
SAN FRANCISCO, CA 94115

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lydia Alexander's NPI number?

The NPI number for Lydia Alexander is 1578717237. It was assigned to this individual provider in the NPPES registry on November 7, 2008.

Where is Lydia Alexander located?

Lydia Alexander practices at 2425 Geary Blvd, San Francisco, CA 94115. The listed phone number is (415) 833-2000.

What is Lydia Alexander's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lydia Alexander enrolled in Medicare?

Yes. Lydia Alexander is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lydia Alexander was last updated on November 7, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.