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

Hartwell N Lin, MD

Individual provider Emergency Medicine Physician · NPI 1366463507

Hartwell N Lin, MD is an Emergency Medicine in Concord, California. Graduated from Albany Medical College of Union University in 1995, 31 years ago. Practices with Cep America - California, a 1,267-clinician group and accepts Medicare assignment. Licensed in California and Indiana.

Years since qualifying
31
Trained at
Albany Medical College of Union University
Licensed in
CA, IN
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2540 E St
Concord, CA 94520-1906
Phone: (925) 682-8200
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A65114 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 01087833A (IN)

Record details

NPI number1366463507
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 22, 2006
Last updated in NPPESJuly 6, 2022
Certification dateJuly 6, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
Graduated 1995 (31 years in practice)
Group practice Cep America - California — 1267 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Concord