Physician Profile
Brooke Harmssen, D.O.
Unclaimed ProfileAbout 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (747) 212-3441
- Email not available
Practice Locations
1650 EAST CHEVY CHASE DRIVE SUITE 355
Glendale, CA 91206
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
- High blood pressure
- High cholesterol
Digestive and liver
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
- Gout
Infectious disease
- Shingles
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
- Acute bronchitis
- Asthma
- COPD
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
- Alzheimer's disease
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
- Diverticulitis
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
- Overactive Bladder and Leakage
Lungs & Breathing
- Sleep apnea
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
- Depression
- Migraines
Pain
- Back pain
Rheumatologic and pain
- Osteoarthritis
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
- Epley Maneuver
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
- Tetanus shot
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
- Smoking cessation counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
356 services · 338 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
284 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
26 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
19 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
16 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists in Glendale 8
Same specialty, same city.
Trained at Touro Un College of Osteopathic Medicine, Vallejo 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Touro Un College of Osteopathic Medicine, Vallejo 7
Providers who graduated from the same medical school in the same year.
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.