Physician Profile
Unclaimed ProfileAbout YIM
Based in Duarte, CA, John Hosei Yim, MD is listed in the NPI registry under general surgery. John graduated from Stanford University School of Medicine in 1992. John is also listed as specializing in surgery of the hand and surgery. According to Medicare claims data, John cared for 1,055 Medicare patients across 1,404 services.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (626) 471-7269
- Email not available
Practice Locations
1500 E DUARTE RD
Duarte, CA 91010
Procedures Most Often Billed to Medicare
1,404 services · 1,055 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of central venous tube with port or pump | Procedure | 36590 |
23 |
| Removal or exploration of parathyroid glands | Procedure | 60500 |
16 |
| Ultrasonic guidance during surgery | Imaging | 76998 |
35 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
540 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
381 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
81 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
70 |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
54 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
40 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
39 |
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 general surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
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.
Other general surgeons in Duarte 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Stanford University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Stanford University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of central venous tube with port or pump 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Yim?
Dr. Yim is a general surgeon in Duarte, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. Yim's address?
Dr. Yim is listed at 1500 E DUARTE RD, Duarte, CA 91010. 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. Yim?
The number on file is (626) 471-7269. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Yim's NPI number?
Dr. Yim's National Provider Identifier is 1598731820. 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. Yim train?
Dr. Yim attended Stanford University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Yim been practicing?
Dr. Yim has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Yim perform?
According to Medicare billing data, Dr. Yim performs procedures including removal of central venous tube with port or pump and removal or exploration of parathyroid glands; reads or performs imaging such as ultrasonic guidance during surgery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Yim confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yim. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.