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DR. MARK DOUGLAS SMITH M.D., M.B.A.
NPI 1023145539
Internal Medicine in San Francisco, CA

Active since February 28, 2007PECOS Enrolled
SAN FRANCISCO GENERAL HOSPITAL MEDICAL CENTER, 1001 POTRERO AVENUE, SAN FRANCISCO, CA 94110(415) 206-2400(415) 502-4777 Get Directions Write a Review

NPPES record last updated: September 12, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Mark Douglas Smith M.d., M.b.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK DOUGLAS SMITH M.D., M.B.A. (NPI 1023145539) is an individual internal medicine provider in San Francisco, California, licensed in California (A 00041234) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023145539
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARK DOUGLAS SMITHCredential: M.D., M.B.A.
Location AddressSAN FRANCISCO GENERAL HOSPITAL MEDICAL CENTER, 1001 POTRERO AVENUESan Francisco, CA 94110
Mailing Address995 Potrero Ave, Php Ward 86San Francisco, CA 94110-2859 · (510) 227-8151
Phone(415) 206-2400
Fax(415) 502-4777
Sole ProprietorNo
Enumeration DateFebruary 28, 2007
Last NPPES UpdateSeptember 12, 2014
✔ NPI 1023145539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A 00041234
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
SAN FRANCISCO GENERAL HOSPITAL MEDICAL CENTER, San Francisco, CA 94110
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Other Identifiers 1

Medicare UPINE43821CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Douglas Smith M.d., M.b.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mark Smith reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City & County Of San Francisco
Same address
General Acute Care Hospital
1001 POTRERO AVE, BUILDING 5, WARD 1B
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
NPI 1083648810 (415) 759-4067

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Smith's NPI number?

The NPI number for Mark Smith is 1023145539. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Where is Mark Smith located?

Mark Smith practices at San Francisco General Hospital Medical Center 1001 Potrero Avenue, San Francisco, CA 94110. The listed phone number is (415) 206-2400.

What is Mark Smith's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mark Smith enrolled in Medicare?

Yes. Mark Smith is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Smith's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Smith reassigns Medicare benefits to City & County Of San Francisco (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Smith was last updated on September 12, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.