Daniel W. Chase, MD
Internal Medicine Physician · Topsham, ME
Daniel W. Chase, MD is an internal medicine physician with a practice address in Topsham, Maine, and NPI 1942217237, issued on Aug 1, 2006. Check the license (Maine 014461, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Daniel W. Chase
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 014461 ME
Self-reported in NPPES; status is on the state search - Practice location
- 1 Main St, Topsham, ME 04086
- Phone
- (207) 729-1689
- Enumerated
- Aug 1, 2006
- Record last updated
- Sep 6, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (207) 798-3930
- Medicare enrollment
- Enrolled (PECOS I20040617000574); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 597 in Maine → Look up another NPI →
Also registered at 1 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andree Appel, P.A.Physician Assistant1841392438
- Frank Bohmer, M.D.Anesthesiology Physician1114961273
Verify Daniel W. Chase in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 014461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
205 Medicare Part D claims for 56 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium20 claims
- Levothyroxine Sodium14 claims
- Lisinopril13 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.
Industry payments in 2024: $20.03
1 payment: food and beverage; the largest payer was Abiomed. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Mercy HospitalPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel W. Chase among 597 internal medicine physician records in Maine
Daniel W. Chase, MD is one of 597 internal medicine physician records with a practice address in Maine. 77% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1994 · median 2005 among the 369 with a school on file
- Record last updated2012 · 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 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 internal medicine physician records list a practice address in Topsham
They are 4 of the 184 NPPES records with a practice address in Topsham, and 597 internal medicine physician records in Maine.
All 597 in Maine → Every provider in Topsham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bryan Lewis, M.D.Topsham, ME 040861194836791
- John Parker, MDTopsham, ME 040861821005109
- Jennifer Riehl, MDTopsham, ME 040861700897618
- Michael Batt, MDWestbrook, ME 040921952406266
- Ravi Chandrasekaran, D.O.Westbrook, ME 040921538101886
- Elizabeth Dennis, D.O.Westbrook, ME 040921073714721
- Stephen Hayes, M.D.Westbrook, ME 040921255369575
- Ellis Johnson, MDWestbrook, ME 040921215196985
Common questions
What is Daniel W. Chase, MD's NPI number?
Daniel W. Chase, MD's National Provider Identifier (NPI) is 1942217237, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel W. Chase, MD located?
The NPPES record lists a practice address at 1 Main St, Topsham, ME, 04086. Phone: (207) 729-1689. Providers update this record themselves, so call before visiting.
How can I verify Daniel W. Chase, MD's license?
NPPES lists Maine license number 014461, 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 Daniel W. Chase, MD prescribe under Medicare Part D?
In 2024, Daniel W. Chase, MD had 205 Medicare Part D claims for 56 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.