Allison Caldwell, M.D.
Pediatrics Physician · Portland, ME
Allison Caldwell, M.D. is a pediatrics physician with a practice address in Portland, Maine, and NPI 1881031904, issued on May 30, 2013. Check the license (Maine MD21640, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Allison Caldwell
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- MD21640 ME
LP02791 RI
Self-reported in NPPES; status is on the state search - Practice location
- 22 Bramhall St, Portland, ME 04102
- Phone
- (207) 662-0111
- Enumerated
- May 30, 2013
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170908000088); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 311 in Maine → Look up another NPI →
Also registered at 22 Bramhall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
- Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
- Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
- Joshua Abrams, PA-CSurgical Physician Assistant1932832128
- Christopher Abruzzese, D.OAnesthesiology Physician1558789305
- Haley Acker, PA-CPhysician Assistant1972167377
Verify Allison Caldwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD21640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average pediatrics physician in 2024
14 Medicare Part D claims, against an average of 375 among the 5,609 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).
Bills Medicare through one group practice
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allison Caldwell among 311 pediatrics physician records in Maine
Allison Caldwell, M.D. is one of 311 pediatrics physician records with a practice address in Maine. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 22% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated2013 · median 2008 among the 45 with a school on file
- Record last updated2018 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
76 pediatrics physician records list a practice address in Portland
They are 76 of the 6,022 NPPES records with a practice address in Portland, and 311 pediatrics physician records in Maine.
All 311 in Maine → Every provider in Portland → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Steven Blumenthal, MDPortland, ME 041021275565384
- Anne Marie Cairns, DOPortland, ME 041021477581361
- David Cox, M.D.Portland, ME 041021033211933
- Pamela Dietz, MDPortland, ME 041021063515146
- Carrie Frost, MDPortland, ME 041021457354540
- Timothy Hawkins, MDPortland, ME 041021235167529
- Jennifer Jewell, MDPortland, ME 041021487749065
- Webb Long, M.D.Portland, ME 041021023054277
Common questions
What is Allison Caldwell, M.D.'s NPI number?
Allison Caldwell, M.D.'s National Provider Identifier (NPI) is 1881031904, issued on May 30, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Allison Caldwell, M.D. located?
The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-0111. Providers update this record themselves, so call before visiting.
How can I verify Allison Caldwell, M.D.'s license?
NPPES lists Maine license number MD21640, 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 Allison Caldwell, M.D. prescribe under Medicare Part D?
In 2024, Allison Caldwell, M.D. had 14 Medicare Part D claims; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.
What is Allison Caldwell, M.D.'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.