Mark Edward Alexander, MD
Pediatric Cardiology Physician · Scarborough, ME
Mark Edward Alexander, MD is a pediatric cardiology physician with a practice address in Scarborough, Maine, and NPI 1013907666, issued on Oct 25, 2005. Check the license (Maine MD22858, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Edward Alexander
- Credential
- MD
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License numbers
- MD22858 ME
77492 MA
Self-reported in NPPES; status is on the state search - Practice location
- 71 US Route 1 Ste C, Scarborough, ME 04074
- Phone
- (207) 883-5532
- Enumerated
- Oct 25, 2005
- Record last updated
- Feb 23, 2026
- Fax
- (207) 883-5552
- Medicaid ID
- 3183467 MA
- Medicare enrollment
- Enrolled (PECOS I20081216000131); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1985
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 15 in Maine → Look up another NPI →
Also registered at 71 US Route 1 Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Andrade, M.D.Adult Congenital Heart Disease Physician1841551140
- Briana Costello, LCSWClinical Social Worker1790266773
- Warren Hathaway, LCSWClinical Social Worker1750498648
- Thomas Miller, DOPediatric Cardiology Physician1780883405
- Alan Riley, MDPediatric Cardiology Physician1447435672
- Ashish Saini, MDPediatric Cardiology Physician1043870710
Verify Mark Edward Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD22858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average pediatric cardiology physician in 2024
21 Medicare Part D claims, against an average of 74 among the 518 providers of this specialty who prescribed in Part D.
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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $96.84
1 payment: food and beverage; the largest payer was Biosense Webster, Inc. The 1,156 providers of this specialty with any payment received $2,864.57 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
- Boston Childrens Heart Foundation IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Edward Alexander among 15 pediatric cardiology physician records in Maine
Mark Edward Alexander, MD is one of 15 pediatric cardiology physician records with a practice address in Maine. 40% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 40% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Maine
There are 15 pediatric cardiology physician records in Maine.
All 15 in Maine → Every provider in Scarborough → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Jon Donnelly, M.DScarborough, ME 040741023102456
- Michael Hart, MDScarborough, ME 040741376809707
- Mary Hourihan, M.D.Scarborough, ME 040741346336880
- Thomas Miller, DOScarborough, ME 040741780883405
- Alan Riley, MDScarborough, ME 040741447435672
- Ashish Saini, MDScarborough, ME 040741043870710
- Shari Wellen, MDPortland, ME 041021801181136
- Wade HamiltonLewiston, ME 042401851370068
Common questions
What is Mark Edward Alexander, MD's NPI number?
Mark Edward Alexander, MD's National Provider Identifier (NPI) is 1013907666, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Edward Alexander, MD located?
The NPPES record lists a practice address at 71 US Route 1 Ste C, Scarborough, ME, 04074. Phone: (207) 883-5532. Providers update this record themselves, so call before visiting.
How can I verify Mark Edward Alexander, MD's license?
NPPES lists Maine license number MD22858, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Edward Alexander, MD prescribe under Medicare Part D?
In 2024, Mark Edward Alexander, MD had 21 Medicare Part D claims; the average among pediatric cardiology physician prescribers was 74. Part D covers Medicare prescriptions only.
What is Mark Edward Alexander, MD'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.