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

Justin N Grammy, DO

Individual provider Internal Medicine Physician · NPI 1003254483

Justin N Grammy, DO is an Internal Medicine in San Luis Obispo, California. Qualified in 2013, 13 years ago. Practices with Central Coast Chest Consultants, a Medical Corporation, an 8-clinician group and accepts Medicare assignment. Licensed in California and Pennsylvania.

Years since qualifying
13
Licensed in
CA, PA
In the registry since
2013
Specialties on file
3
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

1428 Phillips Ln Ste 203
San Luis Obispo, CA 93401-2551
Phone: (805) 543-4407
Fax: (805) 543-4587
Show map & directions

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

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 16620 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence OS018634 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 16620 (CA)

Record details

NPI number1003254483
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 7, 2013
Last updated in NPPESNovember 17, 2021
Certification dateNovember 17, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Central Coast Chest Consultants, A Medical Corporation — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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