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DR. JOHN LESTER SCHAEFFER D.O.
NPI 1497743918
Psychiatry & Neurology - Child & Adolescent Psychiatry in San Francisco, CA

Active since October 10, 2005PECOS Enrolled
101 CALIFORNIA ST STE 2710, SAN FRANCISCO, CA 94111(916) 320-4222(888) 370-2829 Get Directions Write a Review

NPPES record last updated: May 4, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 4, 2020, Dec 19, 2019 (2 updates tracked since 2019).

About Dr. John Lester Schaeffer D.o. NPPES

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

DR. JOHN LESTER SCHAEFFER D.O. (NPI 1497743918) is an individual child & adolescent psychiatry provider in San Francisco, California, licensed in California (20A9536) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and maintains 11 additional practice locations.

NPPES Registry Identity

NPI1497743918
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. JOHN LESTER SCHAEFFERCredential: D.O.
Location Address101 CALIFORNIA ST STE 2710San Francisco, CA 94111-5818
Mailing Address101 California St Ste 2710San Francisco, CA 94111-5818 · (916) 320-4222 · Fax (888) 370-2829
Phone(916) 320-4222
Fax(888) 370-2829
Sole ProprietorYes
Enumeration DateOctober 10, 2005
Last NPPES UpdateMay 4, 20202 updates tracked since enumeration
NPPES CertifiedMay 4, 2020
✔ NPI 1497743918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
Licenses✔ Licensed in CA · 20A9536✔ Licensed in NM · A-1243-03✔ Licensed in CO · 38750
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 20A9536 (CA), 38750 (CO), A-1243-03 (NM)
Also ListedPsychiatry & Neurology · Geriatric PsychiatryTaxonomy 2084P0805X · License A-1243-03 (NM), 38750 (CO), 20A9536 (CA)
101 CALIFORNIA ST STE 2710, San Francisco, CA 94111
Open in Google Maps ↗

Secondary Practice Locations 11

Location 12440 Tulare St Ste 200Fresno, CA 93721-2281 · Phone (916) 320-4422 · Fax (888) 370-2829
Location 21691 Q StFirebaugh, CA 93622-2428 · Phone (916) 320-4422 · Fax (888) 370-2829
Location 3711 Barnes AveLA Junta, CO 81050-2138 · Phone (800) 511-5446
Location 4681 S Madera Ave Ste 107Kerman, CA 93630-1748 · Phone (559) 842-4357
Location 53800 McCall AveSelma, CA 93662-2217 · Phone (559) 875-7705
Location 61311 11th StReedley, CA 93654-2926 · Phone (559) 638-8588
Location 736618 Lassen Ave, Suite AHuron, CA 93234 · Phone (559) 334-6421
Location 84441 E Kings Canyon RdFresno, CA 93702-3604 · Phone (559) 600-9180
Location 93133 N Millbrook AveFresno, CA 93703-1425 · Phone (559) 600-8918
Location 10380 Coalinga PlzCoalinga, CA 93210-1704 · Phone (855) 343-1057 · Fax (844) 563-6078
Location 1140 E Minarets AvePinedale, CA 93650-1239 · Phone (855) 343-1057 · Fax (844) 587-6405

Other Identifiers 1

MedicaidFK534ZCA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John Lester Schaeffer D.o. 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.

Medicare Billing Reassignments

4

Medicare enrollment records show John Schaeffer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Madera
126 mi
Community/Behavioral Health
215 S 4TH ST
Chowchilla, CA 93610
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group
NPI 1821211947 (559) 665-2947
County Of Fresno
160 mi
Mental Health (Including Community Mental Health Center)
1925 E DAKOTA AVE
Fresno, CA 93726
  • Reassigned Medicare billing, California enrollment
  • 99 clinicians in this Medicare group
NPI 1770538001 (559) 600-9058
County Of Humboldt
227 mi
Community/Behavioral Health
720 WOOD ST
Eureka, CA 95501
  • Reassigned Medicare billing, California enrollment
  • 65 clinicians in this Medicare group
NPI 1033300306 (707) 268-2900
County Of Siskiyou
242 mi
Community/Behavioral Health
1107 REAM AVE
Mount Shasta, CA 96067
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group
NPI 1427219237 (530) 918-7200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 John Schaeffer's NPI number?

The NPI number for John Schaeffer is 1497743918. It was assigned to this individual provider in the NPPES registry on October 10, 2005.

Where is John Schaeffer located?

John Schaeffer practices at 101 California St Ste 2710, San Francisco, CA 94111. The listed phone number is (916) 320-4222.

What is John Schaeffer's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is John Schaeffer enrolled in Medicare?

Yes. John Schaeffer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Schaeffer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Schaeffer reassigns Medicare benefits to 4 organizations: County Of Madera (Chowchilla, CA), County Of Fresno (Fresno, CA), County Of Humboldt (Eureka, CA) and County Of Siskiyou (Mount Shasta, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Schaeffer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Schaeffer was last updated on May 4, 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.