Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. James S Rumack, M.D.
Specialist in Daly City, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1326076282
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Registry record
Entity type Individual (Type 1)
Name Dr. James S Rumack
Credential M.D.
Sex Male
Practice address 901 Campus Dr, Suite 302, Daly City, CA, 94015
Phone (650) 756-8600
Enumeration date Jun 29, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00G375700 | Medicaid | CA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for James Rumack?
The National Provider Identifier (NPI) for James Rumack is 1326076282, a Type 1 (individual) record in the CMS NPPES registry.
Where does James Rumack practice?
The practice location on file with NPPES is in Daly City, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Eleanor Lazo Anesthesiology Physician · Daly City, CA NPI 1336131317 Jon Churnin Pain Medicine (Anesthesiology) Physician · Daly City, CA NPI 1841283892 Sara Copeland Pediatrics Physician · Daly City, CA NPI 1891780672 Bruce Dobbs Podiatrist · Daly City, CA NPI 1942290473 Physicians Surgery Center Ambulatory Surgical Clinic/Center · Daly City, CA NPI 1528027703 Anthony Villanueva Ophthalmology Physician · Daly City, CA NPI 1750344636 Anthony L. Villanueva,M.D., Inc. Ophthalmology Physician · Daly City, CA NPI 1487617361 Mary Brzostowicz Specialist · Daly City, CA NPI 1487683819
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.