Maria Fleseriu, MD
Endocrinology, Diabetes & Metabolism Physician · Portland, OR
Maria Fleseriu, MD is an endocrinology, diabetes & metabolism physician with a practice address in Portland, Oregon, and NPI 1700983574, issued on Sep 20, 2006. Check the license (Oregon MD26487, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Maria Fleseriu
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD26487 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD # Bte472, Portland, OR 97239
- Phone
- (503) 494-9060
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070410000647); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 104 in Oregon → Look up another NPI →
Verify Maria Fleseriu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD26487Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
209 Medicare Part D claims for 51 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Hydrocortisone71 claims
- Somavert46 claims
- Levothyroxine Sodium23 claims
- Mycapssa22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 68.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $106,966.82
37 payments; by number, the most common kind was travel and lodging; the largest payer was Novo Nordisk Health Care AG. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Fleseriu among 104 endocrinology, diabetes & metabolism physician records in Oregon
Maria Fleseriu, MD is one of 104 endocrinology, diabetes & metabolism physician records with a practice address in Oregon. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 47% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1993 · median 2001 among the 67 with a school on file
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Oregon
There are 104 endocrinology, diabetes & metabolism physician records in Oregon.
All 104 in Oregon → Every provider in Portland → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Andrew Ahmann, MDPortland, OR 972391891701405
- Matthew Bliziotes, MDPortland, OR 972391144235649
- Paul Duell, MDPortland, OR 972391265448864
- Robert Klein, MDPortland, OR 972391215945761
- Erin Leblanc, MDPortland, OR 972391740298207
- Donald Loriaux, MD, PHDPortland, OR 972391447266994
- James Lundblad, MD, PHDPortland, OR 972391518064393
- Dana Madison, MD, PHDPortland, OR 972391093720591
Common questions
What is Maria Fleseriu, MD's NPI number?
Maria Fleseriu, MD's National Provider Identifier (NPI) is 1700983574, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Fleseriu, MD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD # Bte472, Portland, OR, 97239. Phone: (503) 494-9060. Providers update this record themselves, so call before visiting.
How can I verify Maria Fleseriu, MD's license?
NPPES lists Oregon license number MD26487, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Fleseriu, MD prescribe under Medicare Part D?
In 2024, Maria Fleseriu, MD had 209 Medicare Part D claims for 51 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Maria Fleseriu, MD's MIPS final score?
The 2023 MIPS final score is 68.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.