James Littlejohn, MD, PHD
Critical Care Medicine (Anesthesiology) Physician · Sacramento, CA
James Littlejohn, MD, PHD is a critical care medicine (anesthesiology) physician with a practice address in Sacramento, California, and NPI 1609197250, issued on Jun 17, 2010. Check the license (California A136653, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Littlejohn
- Credential
- MD, PHD
- Primary taxonomy
- Critical Care Medicine (Anesthesiology) Physician 207LC0200X
- License numbers
- A136653 CA
293473 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4150 V St, Sacramento, CA 95817
- Phone
- (916) 734-5028
- Enumerated
- Jun 17, 2010
- Record last updated
- Sep 16, 2022
- Medicare enrollment
- Enrolled (PECOS I20150825004099); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest critical care medicine (anesthesiology) physician records → All 146 in California → Look up another NPI →
Also registered at 4150 V St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Littlejohn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A136653Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $158.69
3 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 394 providers of this specialty with any payment received $2,001.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Regents OF The Univ OF CASacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Littlejohn among 146 critical care medicine (anesthesiology) physician records in California
James Littlejohn, MD, PHD is one of 146 critical care medicine (anesthesiology) physician records with a practice address in California. 86% 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 49% of them.
- NPI issued2010 · 49% of these records are older, 47% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2010 · median 2009 among the 123 with a school on file
- Record last updated2022 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Anesthesiology) Physician providers in California
There are 146 critical care medicine (anesthesiology) physician records in California.
All 146 in California → Every provider in Sacramento → Critical Care Medicine (Anesthesiology) Physician nationwide →
The 8 critical care medicine (anesthesiology) physician records with the nearest ZIP codes
- Andrea Ansari, MDSacramento, CA 958171972066686
- Gabriel Fregoso, MDSacramento, CA 958171336609445
- Rima Rahal, M.D.Sacramento, CA 958191295049732
- Brian Fischer, M.D., PH.D.Redding, CA 960011124190103
- Julie McClelland, M.D.Redding, CA 960011427255421
- John Reitan, M.D.Davis, CA 956161710962618
- Walter Boyle, MDMendocino, CA 954601093733727
- Schirin Rogers, M.D.San Jose, CA 951191699111443
Common questions
What is James Littlejohn, MD, PHD's NPI number?
James Littlejohn, MD, PHD's National Provider Identifier (NPI) is 1609197250, issued on Jun 17, 2010. An NPI identifies a provider in billing; it is not a license.
Where is James Littlejohn, MD, PHD located?
The NPPES record lists a practice address at 4150 V St, Sacramento, CA, 95817. Phone: (916) 734-5028. Providers update this record themselves, so call before visiting.
How can I verify James Littlejohn, MD, PHD's license?
NPPES lists California license number A136653, 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.