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

Johnathan David Maskin, MD

Individual provider Anesthesiology Physician · NPI 1386668366

Johnathan David Maskin, MD is an Anesthesiology in Pasadena, California. Qualified in 1980, 46 years ago. Practices with Pacific Valley Medical Group, a 104-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
46
Licensed in
CA
In the registry since
2006
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

100 W California Blvd
Pasadena, CA 91105-3010
Phone: (626) 397-5000
Fax: (626) 397-2912
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A41837 (CA)

Record details

NPI number1386668366
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 26, 2006
Last updated in NPPESFebruary 14, 2008

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Group practice Pacific Valley Medical Group — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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