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Physician Profile

James S. Hoff, M.D.

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At a glance

About Dr. Hoff

James S. Hoff, M.D. is a healthcare provider in Lodi, CA specializing in internal medicine. According to Medicare claims data, James cared for 1,157 Medicare patients across 94,359 services. The services billed most often include injection, testosterone cypionate, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and injection of drug or substance under skin or into muscle. This provider record is associated with NPI 1598859654.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 50029DelinquentExpired Jun 30, 2026Since 1983
NPINational Provider Identifier
1598859654Issued 2006

Snapshot · verify with the board ↗

Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What is James S. Hoff's specialty?

James S. Hoff is an internist in Lodi, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where can I find James S. Hoff?

James S. Hoff is listed at 999 S Fairmont Ave Suite 135, Lodi, CA 95240. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact James S. Hoff?

The number on file is (209) 366-2060. Contact the office directly to confirm availability and scheduling.

NPI registry

What is James S. Hoff's NPI number?

James S. Hoff's National Provider Identifier is 1598859654. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

How long has James S. Hoff been practicing?

James S. Hoff has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

What is James S. Hoff known for?

According to Medicare billing data, James S. Hoff performs procedures including insertion of needle into vein for collection of blood sample, destruction of precancer skin growth, 2-14 growths and removal of impacted ear wax; provides treatments such as injection of drug or substance under skin or into muscle and ultrasound of one side of head and neck blood flow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has James S. Hoff confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by James S. Hoff. If this is you, claiming it is free.

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