NPPES file of Aug 9, 2026

Caitlin Elizabeth Welch, MD

Pulmonary Disease Physician · Brunswick, ME

Caitlin Elizabeth Welch, MD is a pulmonary disease physician with a practice address in Brunswick, Maine, and NPI 1003235664, issued on Apr 10, 2014. Check the license (Maine MD23575, as entered in NPPES) on the Maine Board of Licensure in Medicine; 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
1003235664
Name
Caitlin Elizabeth Welch
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
MD23575 ME
Self-reported in NPPES; status is on the state search
Practice location
121 Medical Center Dr Ste 3300, Brunswick, ME 04011
Phone
(207) 373-6490
Enumerated
Apr 10, 2014
Record last updated
May 27, 2025
Medicare enrollment
Enrolled (PECOS I20200824001505); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2014
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 121 Medical Center Dr Ste 3300

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

  1. Darrin Guitreau, PA-CMedical Physician Assistant1023140035
  2. Vu Ho, M.D.Pulmonary Disease Physician1770759789
  3. Elyse Lafond, MDPulmonary Disease Physician1184019994
  4. Alison Wells, MDPulmonary Disease Physician1205490190
  5. William White, DOPulmonary Disease Physician1386176972

Verify Caitlin Elizabeth Welch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD23575
    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
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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79% more Medicare Part D claims than the average pulmonary disease physician in 2024

2,547 Medicare Part D claims for 405 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.

  1. Caitlin Welch2,547
  2. Specialty average1,425

Most prescribed

  1. Trelegy Ellipta345 claims
  2. Prednisone267 claims
  3. Albuterol Sulfate Hfa255 claims
  4. Azithromycin121 claims
  5. Spiriva Respimat93 claims
  6. Montelukast Sodium89 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: $38.27

1 payment: food and beverage; the largest payer was Abiomed. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Caitlin Welch$38.27
  2. Specialty average$5,159.88

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. MainehealthBrunswick, ME

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

Caitlin Elizabeth Welch among 83 pulmonary disease physician records in Maine

Caitlin Elizabeth Welch, MD is one of 83 pulmonary disease physician records with a practice address in Maine. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 82% of them.

  • NPI issued2014 · 82% of these records are older, 16% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2014 · median 2002 among the 56 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Maine

There are 83 pulmonary disease physician records in Maine.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Vu Ho, M.D.Brunswick, ME 040111770759789
  2. Patrick Keaney, M.D.Brunswick, ME 040111881640357
  3. Elyse Lafond, MDBrunswick, ME 040111184019994
  4. Paul Laprad, MDBrunswick, ME 040111609988914
  5. James McCormick, MDBrunswick, ME 040111801999024
  6. Hal Sreden, MDBrunswick, ME 040111467555789
  7. Alison Wells, MDBrunswick, ME 040111205490190
  8. William White, DOBrunswick, ME 040111386176972

Common questions

What is Caitlin Elizabeth Welch, MD's NPI number?

Caitlin Elizabeth Welch, MD's National Provider Identifier (NPI) is 1003235664, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Caitlin Elizabeth Welch, MD located?

The NPPES record lists a practice address at 121 Medical Center Dr Ste 3300, Brunswick, ME, 04011. Phone: (207) 373-6490. Providers update this record themselves, so call before visiting.

How can I verify Caitlin Elizabeth Welch, MD's license?

NPPES lists Maine license number MD23575, 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 Caitlin Elizabeth Welch, MD prescribe under Medicare Part D?

In 2024, Caitlin Elizabeth Welch, MD had 2,547 Medicare Part D claims for 405 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is Caitlin Elizabeth Welch, 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.