Physician Profile
June S. Peng, MD
Unclaimed ProfileAbout Dr. Peng
June S. Peng, MD practices surgery of the hand in Walnut Creek, CA. June is a 2012 graduate of Johns Hopkins University School of Medicine. According to Medicare claims data, June cared for 131 Medicare patients across 137 services. The services billed most often include new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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) 296-7340
- Email not available
Practice Locations
1479 YGNACIO VALLEY RD STE 200
Walnut Creek, CA 94598
1825 4th St
San Francisco, CA 94143
Procedures Most Often Billed to Medicare
137 services · 131 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
69 | More than most peers in Surgery of the Hand |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
42 | More often than most peers in Surgery of the Hand |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
13 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 |
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.
Related specialists at this location 8
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.
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2012 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Peng?
Dr. Peng is a surgery of the hand in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Peng's address?
Dr. Peng is listed at 1479 Ygnacio Valley Rd Ste 200, 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 Dr. Peng?
The number on file is (925) 296-7340. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Peng's NPI number?
Dr. Peng's National Provider Identifier is 1124321252. 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 Dr. Peng train?
Dr. Peng attended Johns Hopkins University School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Peng been practicing?
Dr. Peng has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Peng perform?
According to Medicare billing data, Dr. Peng the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Peng confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Peng. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.