Active NPI 1013101633 Individual Practitioner Male Practitioner

Dr. Wei Loong Glenn Koh , MD

Surgery • Modesto, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Wei Loong Glenn Koh, MD is a certified Surgery practicing in Modesto, CA. With approximately 26 years of clinical experience since completing medical education in 2000, Dr. Koh delivers high-quality medical care to the local community at 4601 DALE RD.

Dr. Koh maintains professional affiliations with Kern County Hospital Authority, Acute Care Surgery Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, critical care, first, initial hospital care with straightforward or low-level medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4601 Dale Rd
Suite 4a5

Modesto, CA 953569718

Telephone 9252001811

Associated Practice Facility / Clinic

🏢 Kaiser Foundation Health Plan Inc Facility NPI 1538216866

Medicare Profile & Education

Medical School

Other

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Modesto, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

26 Yrs +1.7 yrs vs City Avg

City Avg: 24.3 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

36 Specialists

Practicing in Modesto, CA (3346 Statewide)

Telehealth Adoption Rate

19.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Koh (26 Years) 26 Yrs

Modesto Specialty Average (24.3 Years) 24.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	21	$424.21	$78.52
99291 Critical care, first 30-74 minutes	27	22	$691.98	$210.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	38	27	$401.42	$80.42
99291 Critical care, first 30-74 minutes	33	25	$737.98	$212.70
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	32	$567.45	$130.30
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	12	$159.71	$58.17
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$299.00	$92.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$372.00	$114.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	20	$394.57	$74.66
99291 Critical care, first 30-74 minutes	20	15	$738.03	$224.32
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	18	13	$326.82	$105.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$173.00	$117.17
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	31	29	$614.86	$138.36
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	30	21	$353.33	$72.67
99231 Follow-up hospital inpatient care per day, typically 15 minutes	26	15	$178.00	$39.11
99291 Critical care, first 30-74 minutes	23	12	$892.21	$224.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$70.43	$58.44
99213 Established patient office or other outpatient visit, typically 15 minutes	13	13	$116.00	$95.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	22	15	$703.47	$230.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	39	29	$345.41	$79.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	138	94	$328.94	$85.33
99221 Initial hospital inpatient care per day, typically 30 minutes	45	45	$459.00	$117.92
99213 Established patient office or other outpatient visit, typically 15 minutes	24	20	$151.13	$80.04
99238 Hospital discharge day management, 30 minutes or less	14	14	$339.00	$85.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$78.36	$48.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$188.38	$116.59
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$116.00	$81.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	114	72	$326.71	$91.08
99213 Established patient office or other outpatient visit, typically 15 minutes	46	41	$137.33	$77.06
99202 New patient office or other outpatient visit, typically 20 minutes	44	44	$126.36	$76.56
99221 Initial hospital inpatient care per day, typically 30 minutes	40	40	$447.90	$126.41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	39	38	$623.99	$173.18
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	24	$365.77	$206.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	21	$65.43	$46.73
45378 Diagnostic exam of large bowel using a flexible endoscope	21	20	$641.00	$205.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$209.37	$112.49
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	16	16	$579.07	$132.76
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	16	16	$590.00	$134.37
99238 Hospital discharge day management, 30 minutes or less	13	11	$246.69	$84.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	11	$180.00	$110.89

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA A118722

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

Kern County Hospital Authority

1700 Mount Vernon Ave, Bakersfield, CA 933064018

Phone: 6613262000

Acute Care Surgery Medical Group Inc

202 W Willow Ave, Visalia, CA 932916238

Phone: 5597740124

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Dr. Nathan Stuempfig , DO

Emergency Medicine

NPI 1003122813

Doctor of Osteopathic Medicine (D.O.)

Rayven Zhang

Student in an Organized Health Care Education/Training Program

NPI 1003518077

Jay Patel

Student in an Organized Health Care Education/Training Program

NPI 1003757949

Dr. Brian Dolnick , DO

Internal Medicine

NPI 1003994914

Doctor of Osteopathic Medicine (D.O.)

Dr. Joshua Anderson , MD

Internal Medicine - Gastroenterology

NPI 1013294768

Doctor of Medicine (M.D.)

Joshua Michael

Respiratory Therapist, Registered

NPI 1023573318

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active February 13, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location February 13, 2014

Registered at 4601 DALE RD, SUITE 4A5, MODESTO, CA 953569718 (Tel: 9252001811)

📍

Updated Business Mailing Address February 13, 2014

Registered at 4601 DALE RD, #4A5, MODESTO, CA 953569718 (Tel: 9252001811)

👤

Provider Name / Credentials Updated February 13, 2014

Recorded as WEI LOONG GLENN KOH, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 13, 2014

Surgery (License #A118722 in CA)

🟢

Initial NPI Registration & Enumeration August 28, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1013101633

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 28, 2007

Last Update: February 13, 2014

Sole Proprietor: No

Update or Correct Profile

Mailing Address

4601 Dale Rd, #4a5

Modesto, CA 953569718

Phone: 9252001811

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.