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

Mark Steven Spitzer

Individual provider Otolaryngology Physician · NPI 1407848435

Mark Steven Spitzer is an Otolaryngology in Merced, California. Qualified in 1981, 45 years ago. Practices with Timothy S Johnston MD PC, a 9-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
45
Licensed in
CA
In the registry since
2005

Practice location Address checks out

410 E Yosemite Ave Ste B
Merced, CA 95340-8220
Phone: (209) 934-8077
Fax: (209) 233-9400
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 20A5347 (CA)

Record details

NPI number1407848435
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedAugust 16, 2005
Last updated in NPPESDecember 16, 2025
Certification dateDecember 16, 2025

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Timothy S Johnston Md Pc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Merced