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

Dr. Gregory Tennant, DO

Individual provider Orthopaedic Surgery Physician · NPI 1073581385

Dr. Gregory Tennant, DO is an Orthopedic Surgery in Lancaster, California. Qualified in 1999, 27 years ago. Practices with Avors Medical Group, an 18-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
27
Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

42135 10th St W Ste 101
Lancaster, CA 93534-7099
Phone: (661) 726-5005
Fax: (661) 726-5377
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 20A9121 (CA)

Record details

NPI number1073581385
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMarch 10, 2006
Last updated in NPPESAugust 10, 2023
Certification dateAugust 10, 2023
Mailing address42135 10th St W Ste 101, Lancaster, CA 93534-7099

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Avors Medical Group — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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