Are you Dr. Ha? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileRobert T. Ha, MD practices internal medicine in Garden Grove, CA. Robert is a 1994 graduate of New York Medical College. According to Medicare claims data, Robert cared for 1,621 Medicare patients across 4,617 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, residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. The provider's National Provider Identifier (NPI) is 1750302188.
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.
9896 GARDEN GROVE BLVD
Garden Grove, CA 92844
18111 Brookhurst St Ste 6300
Fountain Valley, CA 92708
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.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
4,617 services · 1,621 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
257 | More than most peers in Internal Medicine |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
241 | More often than most peers in Internal Medicine |
| Injection of anesthetic agent into middle or lower spine sympathetic nerve | Procedure | 64520 |
26 | Too few peers to compare |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
19 | Less often than most peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
111 | More often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
34 | As often as other peers in Internal Medicine |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
14 | Less often than most peers in Internal Medicine |
| Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | Drug given | J7321 |
223 | More often than most peers in Internal Medicine |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
11 | Less often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
2,090 | More than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Ha is an internist in Garden Grove, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Ha is listed at 9896 Garden Grove Blvd, Garden Grove, CA 92844. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (714) 636-3032. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Ha's National Provider Identifier is 1750302188. 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
Dr. Ha attended New York Medical College, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ha has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ha performs procedures including aspiration and/or injection of fluid from large joint, insertion of needle into vein for collection of blood sample and injection of anesthetic agent into middle or lower spine sympathetic nerve; reads or performs imaging such as complete ultrasound scan of abdomen; provides treatments such as injection of drug or substance under skin or into muscle and routine electrocardiogram using at least 12 leads with interpretation and report, 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 Dr. Ha. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.