NPPES file of Aug 9, 2026

Mark Shaughnessy, N.P.

Psychiatric/Mental Health Nurse Practitioner · Scarborough, ME

Mark Shaughnessy, N.P. is a psychiatric/mental health nurse practitioner with a practice address in Scarborough, Maine, and NPI 1104880350, issued on Apr 14, 2006. Check the license (Maine CNP81591, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104880350
Name
Mark Shaughnessy
Credential
N.P.
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
CNP81591 ME
51968 ME
Self-reported in NPPES; status is on the state search
Practice location
15 Pleasant Hill RD Ste 204, Scarborough, ME 04074
Phone
(207) 560-3770
Enumerated
Apr 14, 2006
Record last updated
Jan 23, 2023
Fax
(207) 560-3128
Medicare enrollment
Enrolled (PECOS I20060424000348); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 15 Pleasant Hill RD Ste 204

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa Barry, RNC; MSW; PMHNP-CPsychiatric/Mental Health Nurse Practitioner1548592173
  2. Henry Blanchette, PMHNPPsychiatric/Mental Health Nurse Practitioner1144892159
  3. Alison Cameron, N.P.Psychiatric/Mental Health Nurse Practitioner1871783605
  4. Ellie Fleming, PMHNPPsychiatric/Mental Health Nurse Practitioner1215828611
  5. Samuel Kingsley, NPPsychiatric/Mental Health Nurse Practitioner1558935338
  6. Kim Knowles, PHDClinical Psychologist1083677975

Verify Mark Shaughnessy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license CNP81591
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

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73% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

246 Medicare Part D claims for 19 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Mark Shaughnessy246
  2. Specialty average906

Most prescribed

  1. Clonazepam31 claims
  2. Sertraline Hcl25 claims
  3. Lamotrigine21 claims
  4. Alprazolam19 claims
  5. Lorazepam17 claims
  6. Trazodone Hcl17 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 MIPS final score for 2023 (Medicare payment program): 98.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $46.20

2 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Shaughnessy$46.20
  2. Specialty average$1,027.77

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

  1. The Counseling Center OF Nashua IncPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Shaughnessy among 472 psychiatric/mental health nurse practitioner records in Maine

Mark Shaughnessy, N.P. is one of 472 psychiatric/mental health nurse practitioner records with a practice address in Maine. 76% 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 under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 84% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2002 · median 2019 among the 303 with a school on file
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 psychiatric/mental health nurse practitioner records list a practice address in Scarborough

They are 14 of the 1,043 NPPES records with a practice address in Scarborough, and 472 psychiatric/mental health nurse practitioner records in Maine.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Lisa Barry, RNC; MSW; PMHNP-CScarborough, ME 040741548592173
  2. Henry Blanchette, PMHNPScarborough, ME 040741144892159
  3. Alison Cameron, N.P.Scarborough, ME 040741871783605
  4. Donna Chamoff, NPScarborough, ME 040741558445171
  5. Suzette Cyr, PMHNPScarborough, ME 040741275972689
  6. Ellie Fleming, PMHNPScarborough, ME 040741215828611
  7. Shaheen Ganem, PMHNP-BC, APRNScarborough, ME 040741447148671
  8. Amber Hanlon-Saenz, APRN-NPScarborough, ME 040741033082359

Common questions

What is Mark Shaughnessy, N.P.'s NPI number?

Mark Shaughnessy, N.P.'s National Provider Identifier (NPI) is 1104880350, issued on Apr 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Shaughnessy, N.P. located?

The NPPES record lists a practice address at 15 Pleasant Hill RD Ste 204, Scarborough, ME, 04074. Phone: (207) 560-3770. Providers update this record themselves, so call before visiting.

How can I verify Mark Shaughnessy, N.P.'s license?

NPPES lists Maine license number CNP81591, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Shaughnessy, N.P. prescribe under Medicare Part D?

In 2024, Mark Shaughnessy, N.P. had 246 Medicare Part D claims for 19 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

What is Mark Shaughnessy, N.P.'s MIPS final score?

The 2023 MIPS final score is 98.1 of 100. 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.