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Physician Profile

Brooke Harmssen, D.O.

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At a glance

About Dr. Harmssen

Brooke Harmssen, D.O. is a healthcare provider in Glendale, CA specializing in internal medicine. Brooke trained at Touro Un College of Osteopathic Medicine, Vallejo, graduating in 2018. Brooke is also listed as specializing in family medicine. According to Medicare claims data, Brooke cared for 338 Medicare patients across 356 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. This provider record is associated with NPI 1083110456.

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

Education & Training

School Touro Un College of Osteopathic Medicine, Vallejo Class of 2018

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Osteopathic Physician and Surgeon 20AOsteopathic Medical Board of California
No. 17897CurrentExpires Jan 2027Since 2019
CA licenceAs reported to the NPI registry
No. 20A17897As reported
NPINational Provider Identifier
1083110456Issued 2018

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 kind of doctor is Brooke Harmssen?

Brooke Harmssen is an internist in Glendale, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

What is Brooke Harmssen's address?

Brooke Harmssen is listed at 1650 East Chevy Chase Drive Suite 355, Glendale, CA 91206. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Brooke Harmssen?

The number on file is (747) 212-3441. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Brooke Harmssen's NPI number?

Brooke Harmssen's National Provider Identifier is 1083110456. 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 Brooke Harmssen train?

Brooke Harmssen attended Touro Un College of Osteopathic Medicine, Vallejo, graduating in 2018. This comes from the CMS National Downloadable File.

CMS public data

How long has Brooke Harmssen been practicing?

Brooke Harmssen has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.

CMS public data

What procedures does Brooke Harmssen perform?

According to Medicare billing data, Brooke Harmssen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Brooke Harmssen confirmed this information?

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

Guide.md

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