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Edit this profileAt a glance
- 723 S Garfield Ave, Suite 201, Alhambra, CA 91801
About Dr. Gu
David Gu, D.O. practices internal medicine in Alhambra, CA. David is a 1995 graduate of College of Osteo Med of the Pacific at Pomona. According to Medicare claims data, David cared for 1,477 Medicare patients across 2,931 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, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and annual alcohol misuse screening, 5 to 15 minutes. The provider's National Provider Identifier (NPI) is 1225107006.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (626) 282-3999
- Email not available
Practice Locations
723 S GARFIELD AVE SUITE 201
Alhambra, CA 91801
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
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
Pain
Rheumatologic and pain
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
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
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
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
2,931 services · 1,477 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
150 | As often as other peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
148 | More often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
27 | As often as other peers in Internal Medicine |
| Influenza vaccine, inactivated | Treatment | 90653 |
26 | As often as other peers in Internal Medicine |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
24 | As often as other peers in Internal Medicine |
| Pneumococcal vaccine, 23-valent | Treatment | 90732 |
12 | Less often than most peers in Internal Medicine |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
30 | 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 |
1,207 | More than most peers in Internal Medicine |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
273 | More often than most peers in Internal Medicine |
| Annual alcohol misuse screening, 5 to 15 minutes | Billing code | G0442 |
189 | More often than most peers in Internal Medicine |
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 at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 32 related providers in 4 groups
Other internists in Alhambra 8
Same specialty, same city.
Trained at College of Osteo Med of the Pacific at Pomona 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at College of Osteo Med of the Pacific at Pomona 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is David Gu's specialty?
David Gu is an internist in Alhambra, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find David Gu?
David Gu is listed at 723 S Garfield Ave Suite 201, Alhambra, CA 91801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact David Gu?
The number on file is (626) 282-3999. Contact the office directly to confirm availability and scheduling.
NPI registry
What is David Gu's NPI number?
David Gu's National Provider Identifier is 1225107006. 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 David Gu's education?
David Gu attended College of Osteo Med of the Pacific at Pomona, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has David Gu been practicing?
David Gu has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What is David Gu known for?
According to Medicare billing data, David Gu performs procedures including insertion of needle into vein for collection of blood sample; 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
Has David Gu confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by David Gu. If this is you, claiming it is free.
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