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

Dr. Jonathan S Chien, MD

Individual provider Internal Medicine Physician · NPI 1558327270

Dr. Jonathan S Chien, MD is an Internal Medicine in Montebello, California. Qualified in 1980, 46 years ago. Practices with Healthcare Partners Affiliates Medical Group, a 790-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
46
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2603 Via Campo
Montebello, CA 90640-1807
Phone: (323) 720-1144
Fax: (323) 888-2776
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A50095 (CA)

Record details

NPI number1558327270
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2006
Last updated in NPPESDecember 8, 2025
Certification dateDecember 8, 2025
Mailing addressPo Box 35380, Las Vegas, NV 89133-5380

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Group practice Healthcare Partners Affiliates Medical Group — 790 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Montebello