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

Mrs. Barbara Heinz Robertus, PA

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1871503565

Mrs. Barbara Heinz Robertus, PA is a Physician Assistant in Santa Maria, California. Qualified in 1997, 29 years ago. Practices with Michael K Lai M D Inc, a 2-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
29
Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

1300 E Cypress St
Santa Maria, CA 93454-4728
Phone: (805) 349-8972
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1300 E Cypress St, Santa Maria, CA 93454-4728 — (805) 349-8972
  • 105 West 'E' Street, Tehachapi, CA 93561 — (661) 823-7070

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 14652 (CA)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 1750318127 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 9648 (CA)

Record details

NPI number1871503565
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedAugust 8, 2006
Last updated in NPPESJuly 6, 2026
Certification dateJuly 6, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Michael K Lai M D Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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