Physician Profile
Unclaimed ProfileAbout Dr. Moon
Mary Yusook Moon, M.D. is a healthcare provider in Mission Viejo, CA specializing in family practice. Mary is also listed as specializing in family medicine. According to Medicare claims data, Mary cared for 1,043 Medicare patients across 1,140 services.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (949) 583-1600
- Email not available
Practice Locations
23512 MADERO
Mission Viejo, CA 92691
Conditions Commonly Evaluated or Treated
Within Family 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
Cardiometabolic
- High blood pressure (hypertension)
- High cholesterol and lipid disorders
- Metabolic syndrome
- Overweight and obesity
- Peripheral artery disease
- Prediabetes
- Stable coronary artery disease
- Type 2 diabetes
Digestive
- Acid reflux (GERD)
- Acute diarrhea
- Constipation
- Diverticulosis and uncomplicated diverticulitis
- Fatty liver disease
- Hemorrhoids
- Irritable bowel syndrome
- Peptic ulcer disease
- Viral gastroenteritis
Endocrine, blood, and bone
- Iron-deficiency anemia
- Osteoporosis
- Overactive thyroid (hyperthyroidism)
- Underactive thyroid (hypothyroidism)
- Vitamin D deficiency
Genitourinary and reproductive
- Abnormal uterine bleeding
- Enlarged prostate (BPH)
- Erectile dysfunction
- Painful periods
- Sexually transmitted infections
- Urinary tract infection
- Vaginitis
Musculoskeletal and pain
- Fibromyalgia
- Gout
- Low back pain
- Neck pain
- Osteoarthritis
- Plantar fasciitis
- Sprains and muscle strains
- Tendinitis and tendinopathy
Neurologic and behavioral
- Anxiety disorders
- Attention-deficit/hyperactivity disorder
- Depression
- Dizziness and vertigo
- Insomnia
- Migraine
- Tension headaches
Respiratory and infectious
- Acute bronchitis
- Asthma
- Chronic obstructive pulmonary disease
- Common cold and upper respiratory infections
- Community-acquired pneumonia
- COVID-19
- Influenza
- Mononucleosis
- Sinus infection
- Strep throat
Skin
Common childhood and ear conditions
Procedures & services
Preventive and evaluation
- Annual physical and preventive visit
- Chronic disease management
- Medicare annual wellness visit
- Medication review and management
- Preoperative medical clearance
- Sports physical
- Well-child visits
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
- Vaccinations and immunizations
- Weight-management counseling
Screening and testing
- Blood pressure screening
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- Electrocardiogram
- Point-of-care laboratory testing
- Spirometry
Office procedures
Procedures Most Often Billed to Medicare
1,140 services · 1,043 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
61 |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
12 |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
11 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
370 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
157 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
135 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
97 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
88 |
| Automated urinalysis test | Lab test | 81003 |
72 |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
52 |
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 family practices at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Mission Viejo 7
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 7
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Moon's specialty?
Dr. Moon is a family practice in Mission Viejo, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where can I find Dr. Moon?
Dr. Moon is listed at 23512 MADERO, Mission Viejo, CA 92691. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Moon?
The number on file is (949) 583-1600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Moon's NPI number?
Dr. Moon's National Provider Identifier is 1124048202. 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
What is Dr. Moon's medical education?
Dr. Moon attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Moon been practicing?
Dr. Moon has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Moon known for?
According to Medicare billing data, Dr. Moon performs imaging including x-ray of chest, 2 views and x-ray of foot, minimum of 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Moon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Moon. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.