Peggy Maasjo, NP
Nurse Practitioner · Detroit Lakes, MN
Peggy Maasjo, NP is a nurse practitioner with a practice address in Detroit Lakes, Minnesota, and NPI 1508883117, issued on Jul 17, 2006. Check the license with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Peggy Maasjo
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- Practice location
- 1245 Washington Ave, Detroit Lakes, MN 56501
- Phone
- (218) 846-2000
- Enumerated
- Jul 17, 2006
- Entity
- Type 1 · individual
Also registered at 1245 Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lori Anderson, P.T.Physical Therapist1144321134
- Molly Anderson, M.D.Family Medicine Physician1538513155
- Nicole Berg, PT, DPTPhysical Therapist1003692427
- Jodi Boerger Wilder, LPClinical Psychologist1699744227
- Susan Cariveau, NPNurse Practitioner1023115805
- Nicole Cox, D.O.Internal Medicine Physician1639475940
Verify Peggy Maasjo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
8.7 times the Medicare Part D claims of the average nurse practitioner in 2024
9,988 Medicare Part D claims for 565 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 300 claims were for opioids.
Most prescribed
- Atorvastatin Calcium534 claims
- Omeprazole423 claims
- Lisinopril393 claims
- Metoprolol Succinate351 claims
- Levothyroxine Sodium339 claims
- Amlodipine Besylate327 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 Medicare quality score for 2023: 83 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).
One hospital or facility affiliation
- Sanford Medical Center FargoDetroit Lakes, MN
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
7 nurse practitioner records list a Detroit Lakes practice address
They are 7 of the 438 NPPES records with a Detroit Lakes practice address, and 2,270 nurse practitioner records in Minnesota.
All 7 in Detroit Lakes → All 2,270 in Minnesota → Every provider in Detroit Lakes →
Other nurse practitioner records in Minnesota
- Lori Aasen, CNPRochester, MN1326336405
- Rosalind Abara, RN, MSN, PHD, CRNPMinnetonka, MN1821244740
- Halimat AbdulganiyuSaint Paul, MN1265322820
- Elizabeth AbellSt Louis Park, MN1568777274
- Caroline Abenakyo, FNP-CMinneapolis, MN1164932570
- Emily Abernethy, NPDuluth, MN1568089340
- Alissa Abraham, DNP, APRN, AGNP-CMinneapolis, MN1396417572
- Lda Abreu, ARNPMinneapolis, MN1790730265
- Fte-Hudani AchingeSaint Paul, MN1790631844
- Robyn Achmann, APNP-BCMinneapolis, MN1871862219
Common questions
What is Peggy Maasjo, NP's NPI number?
Peggy Maasjo, NP's National Provider Identifier (NPI) is 1508883117, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peggy Maasjo, NP located?
The NPPES record lists a practice address at 1245 Washington Ave, Detroit Lakes, MN, 56501. Phone: (218) 846-2000. Providers update this record themselves, so call before visiting.
How can I verify Peggy Maasjo, NP's license?
Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Peggy Maasjo, NP prescribe under Medicare Part D?
In 2024, Peggy Maasjo, NP had 9,988 Medicare Part D claims for 565 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.
What is Peggy Maasjo, NP's Medicare quality score?
The 2023 MIPS final score is 83 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.