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Physician Profile

Mary M. Koumas, D.O.

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At a glance

About Dr. Koumas

Based in Lake Forest, CA, Mary M. Koumas, D.O. is listed in the NPI registry under family medicine. Mary graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1978. Medicare claims data shows Mary provided 362 services to 200 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, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. NPI 1306838909 identifies this record in the national registry.

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

Specialty

Family Medicine (Primary)

Credentials & Licensing

CA · Osteopathic Physician and Surgeon 20AOsteopathic Medical Board of California
No. 4402CurrentExpires Nov 2027Since 1979
CA licenceAs reported to the NPI registry
No. 20A4402As reported
NPINational Provider Identifier
1306838909Issued 2005

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 kind of doctor is Mary M. Koumas?

Mary M. Koumas is a family doctor in Lake Forest, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.

NPI registry

What is Mary M. Koumas's address?

Mary M. Koumas is listed at 24401 Muirlands Blvd Suite #A, Lake Forest, CA 92630. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Mary M. Koumas?

The number on file is (949) 770-1950. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Mary M. Koumas?

Mary M. Koumas's National Provider Identifier is 1306838909. 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 Mary M. Koumas train?

Mary M. Koumas attended At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1978. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Mary M. Koumas have?

Mary M. Koumas has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.

CMS public data

What procedures does Mary M. Koumas perform?

According to Medicare billing data, Mary M. Koumas provides treatments such as influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Mary M. Koumas's profile verified?

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

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