John Charles Sacoolidge, MD
Anatomic Pathology & Clinical Pathology Physician · Sylmar, CA
John Charles Sacoolidge, MD is an anatomic pathology & clinical pathology physician with a practice address in Sylmar, California, and NPI 1447285820, issued on Jul 12, 2006. Check the license (California G49163, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Charles Sacoolidge
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- G49163 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14445 Olive View Drive, Sylmar, CA 91342
- Phone
- (818) 364-4036
- Enumerated
- Jul 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 364-4065
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 14445 Olive View Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paulette Balasan, NPNurse Practitioner1396933255
- Nancy Batalas, LCSWSocial Worker1922351253
Verify John Charles Sacoolidge in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G49163Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Charles Sacoolidge among 1,554 anatomic pathology & clinical pathology physician records in California
John Charles Sacoolidge, MD is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileNo · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,554 in California → Every provider in Sylmar → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Simon Backer, MDSylmar, CA 913421487283925
- Douglas Kahn, MDSylmar, CA 913421922156546
- Paul Liu, M.D.Sylmar, CA 913421013044981
- Joanna Young, MDSylmar, CA 913421912399783
- Brian Kay, D.O.Mission Hills, CA 913451396036976
- Gretchen Sampson, M.D.Mission Hills, CA 913451063406528
- John Yamashita, M.D.Mission Hills, CA 913451558355024
- Basel Kashlan, M.D.Valencia, CA 913551295983278
Common questions
What is John Charles Sacoolidge, MD's NPI number?
John Charles Sacoolidge, MD's National Provider Identifier (NPI) is 1447285820, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Charles Sacoolidge, MD located?
The NPPES record lists a practice address at 14445 Olive View Drive, Sylmar, CA, 91342. Phone: (818) 364-4036. Providers update this record themselves, so call before visiting.
How can I verify John Charles Sacoolidge, MD's license?
NPPES lists California license number G49163, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.