Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Lester Schaeffer, DO

Individual provider Geriatric Psychiatry Physician · NPI 1497743918

Dr. John Lester Schaeffer, DO is a Geriatric Psychiatry Physician in San Francisco, California. Practices as a sole proprietor and works from 12 locations. Licensed in California, Colorado and New Mexico.

Licensed in
CA, CO, NM
In the registry since
2005
Specialties on file
9
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

101 California St Ste 2710
San Francisco, CA 94111-5818
Phone: (916) 320-4222
Fax: (888) 370-2829
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (11)

  • 380 Coalinga Plz, Coalinga, CA 93210-1704 — (855) 343-1057
  • 1691 Q St, Firebaugh, CA 93622-2428 — (916) 320-4422
  • 4441 E Kings Canyon Rd, Fresno, CA 93702-3604 — (559) 600-9180
  • 2440 Tulare St Ste 200, Fresno, CA 93721-2281 — (916) 320-4422
  • 3133 N Millbrook Ave, Fresno, CA 93703-1425 — (559) 600-8918
  • 36618 Lassen Ave, Huron, CA 93234 — (559) 334-6421
  • 681 S Madera Ave Ste 107, Kerman, CA 93630-1748 — (559) 842-4357
  • 40 E Minarets Ave, Pinedale, CA 93650-1239 — (855) 343-1057
  • 1311 11th St, Reedley, CA 93654-2926 — (559) 638-8588
  • 3800 McCall Ave, Selma, CA 93662-2217 — (559) 875-7705
  • 711 Barnes Ave, La Junta, CO 81050-2138 — (800) 511-5446

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence 20A9536 (CA)
Geriatric Psychiatry Physician Taxonomy 2084P0805X · Licence 20A9536 (CA)
Geriatric Psychiatry Physician Taxonomy 2084P0805X · Licence 38750 (CO)
Psychiatry Physician Taxonomy 2084P0800X · Licence A-1243-03 (NM)
Psychiatry Physician Taxonomy 2084P0800X · Licence 38750 (CO)
Psychiatry Physician Taxonomy 2084P0800X · Licence 20A9536 (CA)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 38750 (CO)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence A-1243-03 (NM)
Geriatric Psychiatry Physician Taxonomy 2084P0805X · Licence A-1243-03 (NM)

Record details

NPI number1497743918
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedOctober 10, 2005
Last updated in NPPESMay 4, 2020
Certification dateMay 4, 2020

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