JEFFREY ZHENG-HSIEN KO M.D.
NPI 1104203405
Internal Medicine - Gastroenterology in Sacramento, CA

Q: What is Jeffrey Ko's NPI number?

The NPI number for Jeffrey Ko is 1104203405. It was assigned to this individual provider in the NPPES registry on May 6, 2015.

Q: What is Jeffrey Ko's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Ko was last updated on July 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 06, 2015PECOS EnrolledAccepts Medicare Assignment

3160 FOLSOM BLVD, SACRAMENTO, CA 95816(916) 734-8616 Get Directions Write a Review

NPPES record last updated: July 27, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 27, 2022, Sep 12, 2018 (2 updates tracked since 2018).

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About Jeffrey Zheng-hsien Ko M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY ZHENG-HSIEN KO M.D. (NPI 1104203405) is an individual gastroenterology provider in Sacramento, California, licensed in California (C144966) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS and is a graduate of St. Louis College Of Physicians And Surgeons (2015).

NPPES Registry Identity

NPI1104203405

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameJEFFREY ZHENG-HSIEN KOCredential: M.D.

Location Address3160 FOLSOM BLVDSacramento, CA 95816-5202

Mailing Address3160 Folsom Blvd Ste 3500Sacramento, CA 95816-5270 · (916) 734-8616

Phone(916) 734-8616

Sole ProprietorNo

Medical School CMSSt. Louis College Of Physicians And SurgeonsGraduated 2015

Enumeration DateMay 6, 2015

Last NPPES UpdateJuly 27, 20222 updates tracked since enumeration

NPPES CertifiedJuly 27, 2022

✔ NPI 1104203405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in CA · C144966

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License C144966 (CA)

3160 FOLSOM BLVD, Sacramento, CA 95816

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jeffrey Zheng-hsien Ko M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7517213481

PECOS Enrollment IDI20180706001575

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Jeffrey Ko reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of California

Same address

Multi-Specialty

3160 FOLSOM BLVD STE 1400
Sacramento, CA 95816

Reassigned Medicare billing, California enrollment
918 clinicians in this Medicare group

NPI 1962482513 (916) 734-7777

Regents Of The University Of Ca

0.2 mi

Hematology & Oncology

1508 ALHAMBRA BLVD
Sacramento, CA 95816

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Regents Of The Univ Of Ca
2,570 clinicians in this Medicare group

NPI 1528051679 (916) 734-5803

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

113 services108 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

71 services71 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

69 services45 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

51 services50 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

28 services28 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

27 services27 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

26 services26 patients

Biopsy of large bowel using a flexible endoscope 45380

22 services22 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

22 services22 patients

21 services21 patients

Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 99451

This service involves a consulting physician assessing your health condition via a phone or internet interaction. The doctor will spend at least 5 minutes discussing your health concerns. Afterwards, a written report summarizing the findings and recommendations will be provided for your reference.

19 services19 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

14 services14 patients

Insertion of stomach tube using a flexible endoscope 43246

This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.

13 services13 patients

Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43255

This procedure involves using a flexible tube with a light, called an endoscope, to examine and treat bleeding in the esophagus, stomach, or upper small bowel. It's a safe, effective way to control bleeding and ensure your digestive health.

12 services12 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95816 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.20 typical visit price

range $60.44 – $180.85

Typical copayment $34.30 (range $15.11 – $45.21)

Most-billed visit code 99204

Established Patient

$105.95 typical visit price

range $19.88 – $148.15

Typical copayment $26.48 (range $4.97 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. BARBARA ALLEN WISE FNP-C

Nurse Practitioner (Family)