Kaitlyn J. Nielson, MD
Anatomic Pathology & Clinical Pathology Physician · Santa Barbara, CA
Kaitlyn J. Nielson, MD is an anatomic pathology & clinical pathology physician with a practice address in Santa Barbara, California, and NPI 1801392675, issued on Apr 2, 2018. Check the license (California A198444, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kaitlyn J. Nielson
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- A198444 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 W Pueblo St, Santa Barbara, CA 93105
- Phone
- (805) 569-7367
- Enumerated
- Apr 2, 2018
- Record last updated
- Jan 14, 2025
- Fax
- (805) 569-8354
- Medicare enrollment
- Enrolled (PECOS I20240911001905); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 400 W Pueblo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tabitha Abraham, FNPFamily Nurse Practitioner1811558042
- Kristina Abramyan, FNPFamily Nurse Practitioner1114810686
- Tamanna AhluwaliaStudent in an Organized Health Care Education/Training Program1376338384
- Jung Hwa Ahn, MDStudent in an Organized Health Care Education/Training Program1083553572
- Fares Al-Khouja, MDStudent in an Organized Health Care Education/Training Program1497441778
- Sarah Anderson, MDStudent in an Organized Health Care Education/Training Program1154172872
Verify Kaitlyn J. Nielson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A198444Check 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
- Mission Pathology Consultants IncSanta Barbara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
Other anatomic pathology & clinical pathology physician records in California
- Sophie Aalaei, M.D.San Diego, CA1558454207
- Abdul Majeed Abid, MBBS, MDClovis, CA1578055414
- Ronnie Abraham, MDSan Luis Obispo, CA1124254933
- Joline Abrahams, M.D.Palm Springs, CA1679567366
- Guillermo Acero, MDOjai, CA1629144373
- Dennis Adams, M.D.Stanford, CA1053726182
- Alaa Afify, M.D.Sacramento, CA1245212950
- Ali Afsari, M.D.Orange, CA1275064362
- Mukesh AgarwalColton, CA1154901056
- Maryam Aghighi, MDSanta Rosa, CA1073074977
Common questions
What is Kaitlyn J. Nielson, MD's NPI number?
Kaitlyn J. Nielson, MD's National Provider Identifier (NPI) is 1801392675, issued on Apr 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Kaitlyn J. Nielson, MD located?
The NPPES record lists a practice address at 400 W Pueblo St, Santa Barbara, CA, 93105. Phone: (805) 569-7367. Providers update this record themselves, so call before visiting.
How can I verify Kaitlyn J. Nielson, MD's license?
NPPES lists California license number A198444, 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.