Mairead Rebecca Baker

  • Portland, ME
  • Dermatologist
NPI1265992259PAC ID9133652563
Medicare services, 2024
133
Medicare patients, 2024
78
Part D claims, 2024
167
Publications
5
Industry payments
$224
Practice address
50 Sewall St, Portland, ME 04102
Practice phone
Call (207) 775-3526
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dermatology Associates

Portland, Maine

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Mairead Rebecca Baker is a dermatologist in Portland, Maine

Mairead Baker practices at Dermatology Associates in Portland, Maine.

Mairead Baker's NPI, 1265992259, was assigned on March 25, 2019. Mairead Baker graduated from Loyola University of Chicago, Stritch School of Medicine in 2019. Mairead Baker holds Maine license MD28089.

NPI and contact details
Medicare PAC ID
9133652563
NPI enumeration date
March 25, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(207) 775-3526
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Mairead Rebecca Baker practices at Dermatology Associates in Portland, Maine

Mairead Baker's primary practice is Dermatology Associates, at 50 Sewall St, Portland, ME 04102 in Cumberland County. The practice phone is (207) 775-3526.

  • Dermatology Associates
    50 Sewall St, Portland, ME 04102 · Cumberland CountyPhone(207) 775-3526

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Mairead Rebecca Baker is affiliated with 2 sites of care and 1 medical group

Mairead Baker's primary practice is Dermatology Associates in Portland, Maine. The medical group on file is Dermatology Associates. Dmand AI also links Mairead Baker to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Mairead Baker

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Mairead Rebecca Baker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mairead Baker practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dermatology AssociatesAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Mairead Rebecca Baker is one of 50 dermatologists in Maine

Dermatology is Mairead Baker's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Mairead Baker is licensed in Maine.

Specialties and state licenses

  • Dermatology, MainePrimaryLicense MD28089 · taxonomy 207N00000X

Dermatologists near Mairead Baker

Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mairead Rebecca Baker billed Medicare for 133 services in 2024

CMS data shows 133 Medicare services from Mairead Baker across 5 procedure codes in 2024, for 78 Medicare patients. Medicare paid $8,238 for them. Every service was in an office.

Medicare services, 2024133
Medicare patients78
Paid by Medicare$8,238
Procedure codes5

Mairead Baker's Medicare services by type, 2024

  1. Surgery77
  2. Office and hospital visits56

Mairead Baker compared with the Maine median for dermatologists, 2024

  • Mairead Baker
  • Maine median
Medicare services
133vs 1,75492% below
Medicare patients
78vs 44382% below
Part D claims
73vs 52886% below

Medians across 53 dermatologists in Maine with Dmand AI profiles that report each measure.

Mairead Baker's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Mairead Baker

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Mairead Rebecca Baker treated 78 Medicare patients in 2024, average age 73

CMS counts 78 Medicare patients who saw Mairead Baker in 2024. The largest group is 65 to 74, with 37 patients. 63% of them have high cholesterol, and 50% have high blood pressure. 14% are also on Medicaid. Their average risk score is 0.87, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mairead Baker's median patient age at 59, with 80% women.

Medicare patients, 202478
Average age73
Average risk score0.87
Also on Medicaid14%

Mairead Baker's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Mairead Baker's Medicare patients by sex, 2024

  • Women5368%
  • Men2532%

Chronic conditions among Mairead Baker's Medicare patients, 2024

  1. High cholesterol63%
  2. High blood pressure50%
  3. Arthritis41%
  4. Anxiety21%
  5. Chronic kidney disease19%
  6. Cancer18%
  7. Osteoporosis18%
  8. Heart failure15%

Share of Medicare patients with each condition. A patient can have several.

Mairead Baker's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women80%
  • Men19%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Mairead Rebecca Baker wrote 167 Medicare Part D claims in 2024

In 2024, Mairead Baker wrote 167 Medicare Part D claims for 82 patients. 88% of them were for generic drugs. CMS names the drug for 73 of them, across 3 drugs with 11 or more claims each, at $1,001 in total drug cost. In 2023, CMS named 71 claims across 3 drugs.

Part D claims, 2024167
Drugs named by CMS3
Total drug cost$1,001
Part D patients82

Mairead Baker's Part D claims by kind of drug, 2024

  • Generic147 claims88%
  • Brand-name20 claims12%

Mairead Baker's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 712024: 733%

Drugs named by CMS: 3 in 2024, 3 in 2023.

See all prescribing by Mairead Baker

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Mairead Rebecca Baker ranks in the 86th percentile for skin biopsy in Medicare

Mairead Baker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 218 procedures of skin biopsy by Mairead Baker, more than 86% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Mairead Baker ranks in Medicare procedure volume

Removal of skin lesions
82nd percentile306 procedures
Skin biopsy
86th percentile218 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Mairead Rebecca Baker has 5 publications on record

Dmand AI links 5 papers to Mairead Baker, published from 2018 to 2024. 2024 was the busiest year, with 2. Mairead Baker's most frequent co-authors are Jafar Hamid Al-Mondhiry, MD, Kenneth Dale Burman, MD and Xiaodong Cheng, MD.

Papers5
Years published2018 to 2024

Mairead Baker's papers by year, 2018 to 2024

Mairead Baker's most frequent co-authors

Recent publications by Mairead Baker

See all 5 publications and co-authors

See who Mairead Baker researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Mairead Baker works with, so you can find a warm path to the right dermatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Mairead Rebecca Baker received $224 in industry payments in 2024

CMS Open Payments shows 2 general payments to Mairead Baker from 2 drug and device companies in 2024. Food and beverage make up the largest share, 56% of the total. Abbvie Inc. paid the most, $125.

General payments to Mairead Baker by kind, 2024 to 2024

$224in total
  • Food and beverage$12556%
  • Education$9944%

Companies that paid Mairead Baker the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Mairead Baker

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Mairead Rebecca Baker graduated from Loyola University of Chicago, Stritch School of Medicine

Mairead Baker graduated from Loyola University of Chicago, Stritch School of Medicine in 2019.

  1. Medical schoolLoyola University of Chicago, Stritch School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Mairead Rebecca Baker's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mairead Rebecca Baker

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mairead Rebecca Baker's NPI number?

Mairead Rebecca Baker's NPI number is 1265992259. It was assigned on March 25, 2019, and it is active in the NPI Registry.

What does Mairead Rebecca Baker specialize in?

Mairead Rebecca Baker is a dermatologist in Portland, Maine. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Mairead Rebecca Baker practice?

Mairead Baker practices at 50 Sewall St, Portland, ME 04102. Mairead Baker's primary practice is Dermatology Associates in Portland, Maine. Dmand AI also links Mairead Baker to 1 group practice or clinic.

What is Mairead Rebecca Baker's office phone number?

The practice phone on file for Mairead Baker is (207) 775-3526.

What is Mairead Rebecca Baker's medical license number?

Mairead Baker holds Maine license MD28089.

What medical group is Mairead Rebecca Baker part of?

Mairead Baker is linked to Dermatology Associates.

Does Mairead Rebecca Baker accept Medicare?

Yes. CMS data shows Mairead Baker billed Medicare for 133 services in 2024, and Mairead Baker accepts Medicare assignment.

How many Medicare patients does Mairead Rebecca Baker see?

CMS counts 78 Medicare patients who saw Mairead Baker in 2024, with an average age of 73.

What services does Mairead Rebecca Baker bill to Medicare?

In 2024, Mairead Baker's most billed Medicare services were office visit, new patient (99203), surgery: skin and soft tissue (17003) and surgery: skin and soft tissue (11102).

Where did Mairead Rebecca Baker go to medical school?

Mairead Baker graduated from Loyola University of Chicago, Stritch School of Medicine in 2019.

Show 5 more questionsShow fewer questions

What drugs does Mairead Rebecca Baker prescribe most?

In 2024 Medicare Part D data, Mairead Baker's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Clindamycin Phosphate.

Has Mairead Rebecca Baker received payments from drug or device companies?

CMS Open Payments shows $224 in general payments to Mairead Baker from 2 companies from 2024 to 2024. The largest total came from Abbvie Inc.

How long has Mairead Rebecca Baker been practicing?

Mairead Baker graduated from medical school in 2019, 7 years ago.

Does Mairead Rebecca Baker do research?

Dmand AI links 5 publications to Mairead Baker, published from 2018 to 2024.

Who does Mairead Rebecca Baker publish with?

Mairead Baker's most frequent co-authors are Jafar Hamid Al-Mondhiry, MD (1 shared paper), Kenneth Dale Burman, MD (1 shared paper) and Xiaodong Cheng, MD (1 shared paper).

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