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

Dr. Jonathan Okman, MD

Individual provider Dermatology Physician · NPI 1003227372

Dr. Jonathan Okman, MD is a Dermatology in Hercules, California. Graduated from Pennsylvania State University College of Medicine in 2014, 12 years ago. Practices with Petaluma Health Center Inc, a 76-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Trained at
Pennsylvania State University College of Medicine
Licensed in
CA
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

500 Alfred Nobel Dr Ste 245
Hercules, CA 94547-1843
Phone: (510) 741-7418
Fax: (510) 741-7456
Show map & directions

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

Additional practice locations (2)

  • 165 Lynch Creek Way, Petaluma, CA 94954-2343 — (707) 762-5531
  • 2290 Sacramento St, Vallejo, CA 94590 — (707) 643-5785

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence A137860 (CA)

Record details

NPI number1003227372
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2014
Last updated in NPPESMay 19, 2022
Certification dateMay 19, 2022
Mailing address500 Alfred Nobel Dr Ste 245, Hercules, CA 94547-1843

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolPENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Petaluma Health Center Inc — 76 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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