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

Dr. Greti Ileana Petersen

Individual provider Internal Medicine Physician · NPI 1144252040

Dr. Greti Ileana Petersen is an Internal Medicine in Bakersfield, California. Qualified in 1992, 34 years ago. Practices with Clinica Sierra Vista, a 184-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
34
Licensed in
CA
In the registry since
2006
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Practice location Address checks out

625 34th St Ste 100&200
Bakersfield, CA 93301-2305
Phone: (183) 367-8278
Fax: (661) 368-0618
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2201 Mt. Vernon Ave, Bakersfield, CA 93306 — (661) 872-7000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A93553 (CA)

Record details

NPI number1144252040
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESMarch 6, 2024
Certification dateMarch 6, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Clinica Sierra Vista — 184 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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