DONG HO GWAK MD
NPI 1609339027
Psychiatry & Neurology - Psychiatry in Sacramento, CA

Active since April 11, 2019PECOS Enrolled
7919 FOLSOM BLVD, SACRAMENTO, CA 95826(916) 887-7890(916) 887-7855 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 24, 2026, Oct 6, 2025, Jun 20, 2024 and 3 more (6 updates tracked since 2019).

About Dong Ho Gwak Md NPPES

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

DONG HO GWAK MD (NPI 1609339027) is an individual psychiatry provider in Sacramento, California, licensed in California (A205999) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1609339027
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDONG HO GWAKCredential: MD
Location Address7919 FOLSOM BLVDSacramento, CA 95826-2616
Mailing AddressPo Box 255228Sacramento, CA 95865-5228 · (800) 470-0071 · Fax (916) 854-6769
Fax(916) 887-7855
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 11, 2019
Last NPPES UpdateJuly 24, 20266 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1609339027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CA · A205999✔ Licensed in IL · 036.160511✔ Licensed in WI · 13832
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 13832 (WI)
7919 FOLSOM BLVD, Sacramento, CA 95826

Other Names 1

Other Name (5)Damian Gwak

Secondary Practice Locations 2

Location 147 W Polk St Ste 100275Chicago, IL 60605-2000 · Phone (000) 000-0000
Location 24600 W Schroeder DrMilwaukee, WI 53223-6458 · Phone (262) 646-4411

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dong Ho Gwak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5597092114
PECOS Enrollment IDI20260127000809, I20260701003390
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

3

Medicare enrollment records show Dong Ho Gwak reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
2800 L ST FL 7
Sacramento, CA 95816
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Sutter Valley Medical Foundation
  • 3,056 clinicians in this Medicare group
Psychiatric Hospital
34700 VALLEY RD
Oconomowoc, WI 53066
  • Reassigned Medicare billing, Wisconsin enrollment
  • 99 clinicians in this Medicare group
Psychiatric Hospital
850 W LAWRENCE AVE
Chicago, IL 60640
  • Reassigned Medicare billing, Illinois enrollment
  • 26 clinicians in this Medicare group

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

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95826 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
$180.85 typical visit price
range $60.44 – $180.85
Typical copayment $45.21 (range $15.11 – $45.21)
Most-billed visit code 99205
Established Patient
$75.03 typical visit price
range $19.88 – $148.15
Typical copayment $18.75 (range $4.97 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dong Ho Gwak's NPI number?

The NPI number for Dong Ho Gwak is 1609339027. It was assigned to this individual provider in the NPPES registry on April 11, 2019. The provider is also known as Damian Gwak.

Where is Dong Ho Gwak located?

Dong Ho Gwak practices at 7919 Folsom Blvd, Sacramento, CA 95826. The listed phone number is (916) 887-7890.

What is Dong Ho Gwak's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Dong Ho Gwak enrolled in Medicare?

Yes. Dong Ho Gwak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Dong Ho Gwak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dong Ho Gwak reassigns Medicare benefits to 3 organizations: Sutter Medical Foundation (Sacramento, CA), Rogers Memorial Hospital Incorporated (Oconomowoc, WI) and Chicago Bh Hospital, LLC (Chicago, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dong Ho Gwak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dong Ho Gwak accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Security Health Plan list Dong Ho Gwak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dong Ho Gwak was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.