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Physician Profile

Mark A. Welch, D.O.

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At a glance

About Dr. Welch

Mark A. Welch, D.O. is a healthcare provider in Loma Linda, CA specializing in psychiatry. Medicare claims data shows Mark provided 474 services to 381 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, sleep study including heart rate, breathing, airflow, and effort, and sleep study in sleep lab with continuous airway pressure (6 years or older). This provider record is associated with NPI 1225063555.

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

Education & Training

School Other Graduated: 2003

Specialty

Psychiatry (Primary)

Credentials & Licensing

CA · Osteopathic Physician and Surgeon 20AOsteopathic Medical Board of California
No. 8950CurrentExpires Apr 2028Since 2004
CA licenceAs reported to the NPI registry
No. 2OA8950As reported
NPINational Provider Identifier
1225063555Issued 2006

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
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 does Mark A. Welch specialize in?

Mark A. Welch is a psychiatrist in Loma Linda, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.

NPI registry

Where is Mark A. Welch located?

Mark A. Welch is listed at 11374 Mountain View Ave, Loma Linda, CA 92354. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Mark A. Welch's phone number?

The number on file is (909) 558-6094. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Mark A. Welch?

Mark A. Welch's National Provider Identifier is 1225063555. 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

Where did Mark A. Welch train?

Mark A. Welch attended Other, graduating in 2003. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Mark A. Welch have?

Mark A. Welch has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.

CMS public data

What does Mark A. Welch do most often?

According to Medicare billing data, Mark A. Welch provides treatments such as sleep study including heart rate, breathing, airflow, and effort and sleep study in sleep lab with continuous airway pressure, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Mark A. Welch's profile verified?

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

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