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Physician Profile

William I. Coltrin, MD

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At a glance

About Dr. Coltrin

William I. Coltrin, MD practices emergency medicine in San Francisco, CA. Medicare claims data shows William provided 222 services to 206 patients. The services billed most often include emergency department visit with high level of medical decision making, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and emergency department visit with moderate level of medical decision making. The provider's National Provider Identifier (NPI) is 1700866613.

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

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 90284CurrentExpires Jun 2028Since 2005
NPINational Provider Identifier
1700866613Issued 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 kind of doctor is Dr. Coltrin?

Dr. Coltrin is an emergency physician in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

What is Dr. Coltrin's address?

Dr. Coltrin is listed at 2333 Buchanan St, San Francisco, CA 94120. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Coltrin?

The number on file is (209) 342-2300. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Coltrin?

Dr. Coltrin's National Provider Identifier is 1700866613. 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 much experience does Dr. Coltrin have?

Dr. Coltrin 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 procedures does Dr. Coltrin perform?

According to Medicare billing data, Dr. Coltrin provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Coltrin's profile verified?

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

Guide.md

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