Alan Scott Segal, M.D.
Nephrology Physician · Portland, ME
Alan Scott Segal, M.D. is a nephrology physician with a practice address in Portland, Maine, and NPI 1659453223, issued on Oct 20, 2006. Check the license (Maine MD25413, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Alan Scott Segal
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- MD25413 ME
042-0009311 VT
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Congress St Ste 2, Portland, ME 04102
- Phone
- (207) 774-5222
- Enumerated
- Oct 20, 2006
- Record last updated
- Dec 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 0VN1383 VT
01666646 NY - Entity
- Type 1 · individual
8 nearest nephrology physician records → All 50 in Maine → Look up another NPI →
Verify Alan Scott Segal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD25413Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average nephrology physician in 2024
330 Medicare Part D claims for 82 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Jardiance74 claims
- Sevelamer Carbonate29 claims
- Calcitriol27 claims
- Losartan Potassium24 claims
- Velphoro19 claims
- Amlodipine Besylate16 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $77.40
1 payment: food and beverage; the largest payer was Calliditas Therapeutics US Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Alan Scott Segal among 50 nephrology physician records in Maine
Alan Scott Segal, M.D. is one of 50 nephrology physician records with a practice address in Maine. 86% 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 28% of them.
- NPI issued2006 · 28% of these records are older, 46% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Maine
There are 50 nephrology physician records in Maine.
All 50 in Maine → Every provider in Portland → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Michael Akom, M.D.Portland, ME 041021508827585
- Carl Blond, M.D.Portland, ME 041021174507776
- Patricia Cantlin, DOPortland, ME 041021275533994
- Ioan Cosma, MDPortland, ME 041021356540454
- Gary Diperna, DOPortland, ME 041021649567579
- Robert Isom, M.D.Portland, ME 041021356428072
- Mahendra Mangray, MDPortland, ME 041021801074919
- Paul Parker, MDPortland, ME 041021649278029
Common questions
What is Alan Scott Segal, M.D.'s NPI number?
Alan Scott Segal, M.D.'s National Provider Identifier (NPI) is 1659453223, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan Scott Segal, M.D. located?
The NPPES record lists a practice address at 1600 Congress St Ste 2, Portland, ME, 04102. Phone: (207) 774-5222. Providers update this record themselves, so call before visiting.
How can I verify Alan Scott Segal, M.D.'s license?
NPPES lists Maine license number MD25413, 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 Alan Scott Segal, M.D. prescribe under Medicare Part D?
In 2024, Alan Scott Segal, M.D. had 330 Medicare Part D claims for 82 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Alan Scott Segal, 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.