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Physician Profile

Donald G. Downs, MD.

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At a glance

About Dr. Downs

Based in Simi Valley, CA, Donald G. Downs, MD. is listed in the NPI registry under family practice. Donald graduated from University of California, San Diego School of Medicine in 1986. Donald is also listed as specializing in family medicine. Medicare claims data shows Donald provided 533 services to 353 patients. The services billed most often include insertion of needle into vein for collection of blood sample, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1568451979 identifies this record in the national registry.

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

Specialty

Family Practice (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 61850DelinquentExpired Jun 30, 2025Since 1987
NPINational Provider Identifier
1568451979Issued 2005

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
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 Dr. Downs specialize in?

Dr. Downs is a family practice in Simi Valley, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Dr. Downs located?

Dr. Downs is listed at 2655 1St St, Simi Valley, CA 93065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Downs's phone number?

The number on file is (805) 206-2000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Downs?

Dr. Downs's National Provider Identifier is 1568451979. 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 Dr. Downs go to medical school?

Dr. Downs attended University of California, San Diego School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Downs have?

Dr. Downs has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Downs do most often?

According to Medicare billing data, Dr. Downs performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, inactivated and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Downs's profile verified?

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

Guide.md

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