Physician Profile
Based in Garden Grove, CA, Nhanhau Ngo, M.D. is listed in the NPI registry under family practice. Nhanhau graduated from Loma Linda University School of Medicine in 1995. Nhanhau is also listed as specializing in family medicine. According to Medicare claims data, Nhanhau cared for 1,560 Medicare patients across 2,598 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month, and insertion of needle into vein for collection of blood sample. NPI 1336184316 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
12692 BROOKHURST STREET
Garden Grove, CA 92840
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.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
2,598 services · 1,560 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
280 | More often than most peers in Family Practice |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
147 | More than most peers in Family Practice |
| Test for hearing various pitches using earphone | Treatment | 92552 |
39 | As often as other peers in Family Practice |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
24 | More often than most peers in Family Practice |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
19 | As often as other peers in Family Practice |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
762 | More than most peers in Family Practice |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
288 | More often than most peers in Family Practice |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
244 | More often than most peers in Family Practice |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
234 | More than most peers in Family Practice |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
184 | More often than most peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Nhanhau Ngo is a family practice in Garden Grove, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Nhanhau Ngo is listed at 12692 Brookhurst Street, Garden Grove, CA 92840. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (714) 657-7100. Contact the office directly to confirm availability and scheduling.
NPI registry
Nhanhau Ngo's National Provider Identifier is 1336184316. 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
Nhanhau Ngo attended Loma Linda University School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
Nhanhau Ngo has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Nhanhau Ngo performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine split virus, preservative free and test for hearing various pitches using earphone, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Nhanhau Ngo. If this is you, claiming it is free.
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