MONICA KUMARI SIKKA M.D.
NPI 1679685143
Internal Medicine - Infectious Disease in Portland, OR
About Monica Kumari Sikka M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONICA KUMARI SIKKA M.D. (NPI 1679685143) is an individual infectious disease provider in Portland, Oregon, licensed in Oregon (184463) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
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
Monica Kumari Sikka 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.
Medicare Billing Reassignments
4Medicare enrollment records show Monica Sikka reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 clinicians in this Medicare group
Hillsboro, OR 97123
- Reassigned Medicare billing, Oregon enrollment
- 691 clinicians in this Medicare group
Hillsboro, OR 97123
- Reassigned Medicare billing, Oregon enrollment
- 185 clinicians in this Medicare group
Mt Morris, IL 61054
- Reassigned Medicare billing, Illinois enrollment
- 2,127 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 2
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORSalem Hospital
Acute Care Hospitals · Salem, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97239
PORTLAND, OR 97239
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 Monica Sikka's NPI number?
The NPI number for Monica Sikka is 1679685143. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Monica Sikka located?
Monica Sikka practices at 3181 SW Sam Jackson Park Rd # L457, Portland, OR 97239. The listed phone number is (503) 494-7735.
What is Monica Sikka's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Monica Sikka enrolled in Medicare?
Yes. Monica Sikka 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 Monica Sikka's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monica Sikka reassigns Medicare benefits to 4 organizations: University Professional Services (Portland, OR), Tuality Medical Group LLC (Hillsboro, OR), Tuality Healthcare (Hillsboro, OR) and Board Of Trustees Of The University Of Illinois (Mt Morris, 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 Monica Sikka's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Monica Sikka accept?
Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Monica Sikka 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.
Is Monica Sikka affiliated with any hospitals?
According to CMS data, Monica Sikka is affiliated with Ohsu Hospital And Clinics and Salem Hospital.
When was this NPI record last updated?
The NPPES record for Monica Sikka was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Monica Kumari Sikka, M.D. · NPI 1679685143
Infectious Disease physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1679685143 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 184463 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD # L457, Portland, OR 97239-3011
- **Phone:** (503) 494-7735 · **Fax:** (503) 494-4264
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Professional Services (NPI 1376709535, Portland, OR); Tuality Medical Group LLC (NPI 1639690704, Hillsboro, OR); Tuality Healthcare (NPI 1073817714, Hillsboro, OR); Board Of Trustees Of The University Of Illinois (NPI 1033157755, Mt Morris, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 2003
## Record status
- **NPPES last updated:** March 17, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1679685143) · Data from the CMS NPPES public registry.