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

Andrea Heyn, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1194159319

Andrea Heyn, MD is a Family Practice in Greenville, South Carolina. Graduated from Loma Linda University School of Medicine in 2013, 13 years ago. Practices with Timothy S Johnston MD PC, a 9-clinician group, works from 8 locations and accepts Medicare assignment. Licensed in California and South Carolina.

Years since qualifying
13
Trained at
Loma Linda University School of Medicine
Licensed in
CA, SC
In the registry since
2013
Specialties on file
4
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

877 W Faris Rd Ste A
Greenville, SC 29605-4296
Phone: (864) 455-7800
Fax: (864) 455-9082
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (7)

  • 2823 Fresno St, Fresno, CA 93721-1324 — (559) 459-6000
  • 3940 Sandpiper Ave, Merced, CA 95340-8372 — (209) 722-4842
  • 3349 G St Ste F, Merced, CA 95340-0978 — (209) 349-8459
  • 127 W El Portal Dr, Merced, CA 95348-2853 — (209) 723-3704
  • 857 W Childs Ave, Merced, CA 95341-6862 — (209) 722-4842
  • 374 W Olive Ave Ste B, Merced, CA 95348-3181 — (209) 383-3076
  • 372 W Cypress Ave, Reedley, CA 93654-2113 — (559) 638-8155

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 96785 (SC)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence A132106 (CA)
Obstetrics Physician Taxonomy 207VX0000X · Licence A132106 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence A132106 (CA)

Record details

NPI number1194159319
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 23, 2013
Last updated in NPPESJune 15, 2026
Certification dateJune 15, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Timothy S Johnston Md Pc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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