SIMON KA CHUN SO, M.D., PROFESSIONAL MEDICAL INC.
SIMON KA CHUN SO, M.D., PROFESSIONAL MEDICAL INC. is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1003586801, based in Irvine, CA. The organization lists 2 taxonomy classifications, with Internal Medicine Physician recorded as primary.
Getting there
Here is what surrounds this office in Irvine, based on OpenStreetMap data collected Oct 8, 2026. Parking is available about 851 ft away. There is EV charging 0.26 mi from the office (Blink) — useful if you are driving in from out of town. The nearest transit stop is 960 ft away, served by West Yale Loop @ Barranca Parkway Inbound. If you arrive early, there is a coffee shop 0.48 mi away.
Getting here and what is nearby
Parking 621 ft ~3 min
Parking 747 ft ~3 min
Parking 851 ft ~4 min
Transit West Yale Loop-Barranca 951 ft ~4 min
Transit West Yale Loop @ Barranca Parkway Outbound 953 ft ~4 min
Transit West Yale Loop @ Barranca Parkway Inbound 960 ft ~4 min
Convenience Circle K 1,006 ft ~4 min
4550 Barranca Parkway, Irvine 92604
Gas station Circle K 0.21 mi ~5 min
EV charging Blink 0.26 mi ~6 min
Restaurant Mimi's Cafe 0.28 mi ~6 min
4030 Barranca Parkway, Irvine 92604
Restaurant Japanese BBQ & Yakitori Bar 0.31 mi ~7 min
4020 Barranca Parkway, Irvine 92604
Restaurant Sessions West Coast Deli 0.36 mi ~8 min
4736 Barranca Parkway, Irvine 92604
Mo-Su 08:00-20:00
Coffee Starbucks 0.45 mi ~10 min
3995 Alton Parkway, Irvine 92606
Mo-Su 05:00-21:30
Coffee Tastea 0.48 mi ~10 min
Convenience 7-Eleven 0.49 mi ~10 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
NPPES does not list a state licence number for this record. That is not unusual — organizations and some provider types are not required to file one. Verify current licensure with the relevant state board before care.
- Status
- Approved
- Provider type
- Part B Supplier - Clinic/group Practice
- PAC ID
- 0749670867
- Enrollment ID
- O20211204000082
Medicare enrolment is recorded as approved under the provider type Part B Supplier - Clinic/group Practice. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Internal Medicine covers
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs. NUCC Health Care Provider Taxonomy, code 207R00000X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 207R00000X | Internal Medicine Physician | — | — | primary |
| 261QP2300X | Primary Care Clinic/Center Primary Care | — | — |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1003586801 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Sep 14, 2021 |
| Last updated | Mar 18, 2022 |
| Status | Active |
| Practice address |
4330 BARRANCA PKWY STE 245 Irvine, CA 92604 (949) 273-2888 Fax (949) 273-2801 |
| Other names |
Synergy Primary Care Former Legal Name |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 5 | 8 | 6 | 8 | 0 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 1 | 8 | 3 | 8 | 0 |
Sum = 49 · next multiple of 10 = 50 · check digit = 1 · actual last digit = 1
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.