Brit S. Shackley, M.D.
Anatomic Pathology & Clinical Pathology Physician · Pasadena, CA
Brit S. Shackley, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Pasadena, California, and NPI 1336460435, issued on Jun 13, 2010. Check the license (California A107373, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brit S. Shackley
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- A107373 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 W California Blvd, Pasadena, CA 91105
- Phone
- (626) 397-8616
- Enumerated
- Jun 13, 2010
- Record last updated
- Mar 29, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (626) 397-2156
- Medicare enrollment
- Enrolled (PECOS I20120928000088); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 100 W California Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devan Abhari, MDStudent in an Organized Health Care Education/Training Program1922849041
- Lina Acopians, DOHospitalist Physician1548821523
- Daniel Adran, MDNeuroradiology Physician1518456441
- Alipasha Adrangui, M.D.Hospitalist Physician1780911263
- Vahe Aghajanyan, M.D.Student in an Organized Health Care Education/Training Program1447047238
- Ignacio Aguilar, RNFARegistered Nurse First Assistant1497583603
Verify Brit S. Shackley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A107373Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Scripps HealthLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brit S. Shackley among 1,554 anatomic pathology & clinical pathology physician records in California
Brit S. Shackley, M.D. 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. Its NPI, issued in 2010, is newer than 67% of them.
- NPI issued2010 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2003 among the 891 with a school on file
- Record last updated2013 · 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.
All 1,554 in California → Every provider in Pasadena → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Sanaz Ainechi, MDPasadena, CA 911051710329883
- Sophia Apple, MDPasadena, CA 911051861437683
- Parakrama Chandrasoma, M.D.Pasadena, CA 911051467446013
- Danielle Lu, MDPasadena, CA 911051194753004
- Susan Murakami, MDPasadena, CA 911051770517641
- Parisa Najafzadeh, MDPasadena, CA 911051700319944
- Sachiv Sheth, M.D.Pasadena, CA 911051477794808
- Henry Slosser, MDPasadena, CA 911051881622470
Common questions
What is Brit S. Shackley, M.D.'s NPI number?
Brit S. Shackley, M.D.'s National Provider Identifier (NPI) is 1336460435, issued on Jun 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Brit S. Shackley, M.D. located?
The NPPES record lists a practice address at 100 W California Blvd, Pasadena, CA, 91105. Phone: (626) 397-8616. Providers update this record themselves, so call before visiting.
How can I verify Brit S. Shackley, M.D.'s license?
NPPES lists California license number A107373, 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. Medicare files from data.cms.gov. 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.