Ran S. Kim, M.D.
NPI 1437237005ActiveIndividual· Colon & Rectal Surgery· Walnut Creek, CA
Colon & Rectal Surgery (M.D.) in Walnut Creek, California, trained at Medical College of Pennsylvania (class of 1990). In 2024 Medicare paid $773,962 for 309 patients, and Part D covered 284 of their prescriptions, 80% of them generic. Intuitive Surgical, Inc. was the largest of 13 companies reporting payments in 2025, $1,651 in all, mostly travel and lodging.
Overview
| NPI | 1437237005 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Apr 22, 2025 |
| Certified by provider | Apr 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | G75587 | CA |
| Surgery | 208600000X | G75587 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 309 |
|---|---|
| Services billed | 1,923 across 98 procedure codes |
| Paid by Medicare | $773,962 |
Part D prescriptions in 2024
| Prescriptions (claims) | 284 · 316 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $39,362 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Medical College of Pennsylvania |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | General Surgery |
| Secondary specialties | Colorectal Surgery (Proctology) |
| Telehealth | Offers telehealth |
Medical groups
- Bass Medical GroupChico, CA · 291 clinicians
- Health Connect Wound Solutions Professional CorporationBurlingame, CA · 3 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- Sutter Delta Medical CenterAntioch, CA
Other facilities
- Mary's Help Home Health Services, IncHome health agency · Vallejo, CA
Industry payments (Open Payments)
- 2025$1,651 · 27 payments from 13 companies
- 2024$1,130 · 32 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $993.10 | 7 |
| Smith+nephew, Inc. | $149.98 | 1 |
| Surgenex LLC | $95.91 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $61.46 | 3 |
| Kerecis Limited | $60.95 | 5 |
What the 2025 payments were for
- Travel and Lodging$993.10 · 7 payments
- Food and Beverage$658.23 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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