DR. JACOB SUNG SIK KEUM D.O.
NPI 1215998737
Emergency Medicine - Emergency Medical Services in Keokuk, IA
About Dr. Jacob Sung Sik Keum D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JACOB SUNG SIK KEUM D.O. (NPI 1215998737) is an individual emergency medical services provider in Keokuk, Iowa, licensed in California (20A13246) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2000).
NPPES Registry Identity
Specialties & Licenses 5
Secondary Practice Location 1
Other Identifiers 1
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
Dr. Jacob Sung Sik Keum D.o. 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.
Medicare Billing Reassignments
10Medicare enrollment records show Jacob Sung Keum reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Knoxville, TN 37922
- Reassigned Medicare billing, California enrollment
- 23 clinicians in this Medicare group
Rosebud, SD 57570
- Reassigned Medicare billing, Texas enrollment
- 386 clinicians in this Medicare group
Riverside, CA 92503
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 121 clinicians in this Medicare group
Anaheim, CA 92801
- Reassigned Medicare billing, California enrollment
- 40 clinicians in this Medicare group
Huntington Park, CA 90255
- Reassigned Medicare billing, California enrollment
- 74 clinicians in this Medicare group
Mariposa, CA 95338
- Reassigned Medicare billing, California enrollment
- 28 clinicians in this Medicare group
Culver City, CA 90232
- Reassigned Medicare billing, California enrollment
- 45 clinicians in this Medicare group
Modesto, CA 95354
- Reassigned Medicare billing, California enrollment
- 180 clinicians in this Medicare group
Gridley, CA 95948
- Reassigned Medicare billing, California enrollment
- 17 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52632 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KEOKUK, IA 52632
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 Jacob Sung Keum's NPI number?
The NPI number for Jacob Sung Keum is 1215998737. It was assigned to this individual provider in the NPPES registry on April 1, 2006.
Where is Jacob Sung Keum located?
Jacob Sung Keum practices at 1600 Morgan St, Keokuk, IA 52632. The listed phone number is (319) 524-7150.
What is Jacob Sung Keum's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is Jacob Sung Keum enrolled in Medicare?
Yes. Jacob Sung Keum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jacob Sung Keum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Sung Keum reassigns Medicare benefits to 10 organizations: Erx Hospitalist Group PC (Knoxville, TN), Rosebud Indian Health Service (Rosebud, SD), Riverside Emergency Physicians Medical Group (Riverside, CA), Can Emergency Physicians Medical Group Inc (Tustin, CA), Southland Emergency Medical Associates Inc (Anaheim, CA) and 5 more organizations, listed in the Medicare section above. 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 Jacob Sung Keum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jacob Sung Keum was last updated on June 7, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Jacob Sung Sik Keum, D.O. · NPI 1215998737
Emergency Medical Services physician in Keokuk, Iowa. Individual provider, active in the CMS NPPES registry since April 1, 2006.
## Identity
- **NPI:** 1215998737 (Entity type: Individual)
- **Enumerated:** April 1, 2006
- **Primary specialty:** Emergency Medicine - Emergency Medical Services · taxonomy 207PE0004X
- **State license:** 20A13246 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1600 MORGAN ST, Keokuk, IA 52632-3497
- **Phone:** (319) 524-7150 · **Fax:** (319) 524-5317
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Erx Hospitalist Group PC (NPI 1699199562, Knoxville, TN); Rosebud Indian Health Service (NPI 1194757369, Rosebud, SD); Riverside Emergency Physicians Medical Group (NPI 1972539039, Riverside, CA); Can Emergency Physicians Medical Group Inc (NPI 1386018356, Tustin, CA); Southland Emergency Medical Associates Inc (NPI 1932640935, Anaheim, CA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2000
## Record status
- **NPPES last updated:** June 7, 2019
- **Other identifiers:** Medicaid 02461874 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1215998737) · Data from the CMS NPPES public registry.