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DR. ALGER B CHAPMAN III MD PHD
NPI 1437145216
Pediatrics in San Mateo, CA

Active since September 27, 2005PECOS Enrolled
50 S SAN MATEO DR, STE 260, SAN MATEO, CA 94401(650) 579-6500(650) 579-1943 Get Directions Write a Review

NPPES record last updated: March 9, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Alger B Chapman Iii Md Phd NPPES

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

DR. ALGER B CHAPMAN III MD PHD (NPI 1437145216) is an individual pediatrics provider in San Mateo, California, licensed in California (G064005) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437145216
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. ALGER B CHAPMAN IIICredential: MD PHD
Location Address50 S SAN MATEO DR, STE 260San Mateo, CA 94401-3857
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (650) 579-6500
Phone(650) 579-6500
Fax(650) 579-1943
Sole ProprietorNo
Enumeration DateSeptember 27, 2005
Last NPPES UpdateMarch 9, 2020
NPPES CertifiedMarch 9, 2020
✔ NPI 1437145216 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · G064005
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
50 S SAN MATEO DR, San Mateo, CA 94401
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Other Identifiers 2

Other00G640050CA · Blue Shield Ca
OtherZZZ00797ZCA · Blue Shield Ca -group Id

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. Alger B Chapman Iii Md Phd 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 94401 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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.

SOMYA JALAN MD
Pediatrics
50 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 652-8353
DR. STEPHEN BUCHNER MD
Pediatrics
50 S SAN MATEO DR, STE 180
SAN MATEO, CA 94401
San Mateo County (650) 342-4145
DR. GEORGE WILLIAM SHORAGO M.D.
Otolaryngology
50 S SAN MATEO DR, SUITE 320
SAN MATEO, CA 94401
San Mateo County (650) 340-7200
JULIAN HARDY MCLAIN MD
Internal Medicine (Hematology & Oncology)
50 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 696-5420
HOWARD K CHOW MD
Pediatrics
50 S SAN MATEO DR, SUITE 260
SAN MATEO, CA 94401
San Mateo County (650) 579-6500
DENISE MARY ROS
Physician Assistant
50 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 652-8788
JEANNE V BEYMER MD
Pediatrics
50 S SAN MATEO DR, STE 260
SAN MATEO, CA 94401
San Mateo County (650) 579-6500
DR. JOHN ROBERT GRIFFIN M.D.
Surgery (Plastic and Reconstructive Surgery)
50 S SAN MATEO DR, STE 470
SAN MATEO, CA 94401
San Mateo County (650) 652-8239

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 Alger Chapman's NPI number?

The NPI number for Alger Chapman is 1437145216. It was assigned to this individual provider in the NPPES registry on September 27, 2005.

Where is Alger Chapman located?

Alger Chapman practices at 50 S San Mateo Dr Ste 260, San Mateo, CA 94401. The listed phone number is (650) 579-6500.

What is Alger Chapman's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Alger Chapman enrolled in Medicare?

Yes. Alger Chapman is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alger Chapman was last updated on March 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.