MARIA FLESERIU MD
NPI 1700983574
Internal Medicine - Endocrinology, Diabetes & Metabolism in Portland, OR
About Maria Fleseriu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA FLESERIU MD (NPI 1700983574) is an individual endocrinology, diabetes & metabolism provider in Portland, Oregon, licensed in Oregon (MD26487) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
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
Maria Fleseriu Md 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 Reassignment
Medicare enrollment records show Maria Fleseriu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, 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.
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 Maria Fleseriu's NPI number?
The NPI number for Maria Fleseriu is 1700983574. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Maria Fleseriu located?
Maria Fleseriu practices at 3181 SW Sam Jackson Park Rd # Bte472, Portland, OR 97239. The listed phone number is (503) 494-9060.
What is Maria Fleseriu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Maria Fleseriu enrolled in Medicare?
Yes. Maria Fleseriu 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 organization bills Medicare for Maria Fleseriu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Fleseriu reassigns Medicare benefits to University Professional Services (Portland, OR). The 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 Maria Fleseriu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Fleseriu accept?
Health plans from Kaiser Permanente, PacificSource Health Plans and Providence Health Plan list Maria Fleseriu 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 Maria Fleseriu affiliated with any hospitals?
According to CMS data, Maria Fleseriu is affiliated with Ohsu Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Maria Fleseriu was last updated on July 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Maria Fleseriu, MD · NPI 1700983574
Endocrinology, Diabetes & Metabolism physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1700983574 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** MD26487 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD # BTE472, Portland, OR 97239-3011
- **Phone:** (503) 494-9060
## 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:** University Professional Services (NPI 1376709535, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** July 10, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1700983574) · Data from the CMS NPPES public registry.