Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mark A Bookspan

Individual provider Rheumatology Physician · NPI 1104908292

Mark A Bookspan practises Internal Medicine in Santa Barbara, California. Graduated from Medical College of Ohio in 1972, 54 years ago. Practices with Cottage Medical Associates, a 6-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
54
Trained at
Medical College of Ohio
Licensed in
CA
In the registry since
2006
Specialties on file
2
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Practice location Address checks out

400 W Pueblo St Rm 3635
Santa Barbara, CA 93105
Phone: (805) 682-3610
Fax: (805) 682-3050
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G36429 (CA)
Rheumatology Physician Taxonomy 207RR0500X · Licence G36429 (CA)

Record details

NPI number1104908292
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 19, 2006
Last updated in NPPESAugust 13, 2018

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesRHEUMATOLOGY
Medical schoolMEDICAL COLLEGE OF OHIO
Graduated 1972 (54 years in practice)
Group practice Cottage Medical Associates — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients207
Services billed 1,209 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Cottage Medical Associates

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 6 clinicians in the practice; 1 are shown here.

Other providers in Santa Barbara