Are you Taejoon Ahn, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1455 Montego, Suite 205, Walnut Creek, CA 94598
About Dr. Ahn
Taejoon Ahn, M.D. is a healthcare provider in Walnut Creek, CA specializing in family medicine. Taejoon trained at University of California, San Francisco School of Medicine, graduating in 1997. Medicare claims data shows Taejoon provided 2,883 services to 2,826 patients. The services billed most often include admn sarscov2 vacc 1 dose, administration of influenza virus vaccine, and sarscov2 vac 50 mcg/0.5ml im. This provider record is associated with NPI 1639198757.
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
- (925) 939-4444
- Email not available
Practice Locations
1455 MONTEGO SUITE 205
Walnut Creek, CA 94598
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
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
2,883 services · 2,826 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
832 | More than most peers in Family Medicine |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
598 | More than most peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
547 | More than most peers in Family Medicine |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
232 | More than most peers in Family Medicine |
| Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | Treatment | 90694 |
37 | More than most peers in Family Medicine |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
28 | More often than most peers in Family Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
609 | More than most peers in Family 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 family doctors at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 family doctors in Walnut Creek 8
Same specialty, same city.
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Admn sarscov2 vacc 1 dose 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Taejoon Ahn?
Taejoon Ahn is a family doctor in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
What is Taejoon Ahn's address?
Taejoon Ahn is listed at 1455 Montego Suite 205, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Taejoon Ahn?
The number on file is (925) 939-4444. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Taejoon Ahn?
Taejoon Ahn's National Provider Identifier is 1639198757. 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 Taejoon Ahn train?
Taejoon Ahn attended University of California, San Francisco School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Taejoon Ahn have?
Taejoon Ahn has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What procedures does Taejoon Ahn perform?
According to Medicare billing data, Taejoon Ahn provides treatments such as admn sarscov2 vacc 1 dose and sarscov2 vac 50 mcg/0.5ml im. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Taejoon Ahn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Taejoon Ahn. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.