David Preston, M.D.
Internal Medicine Physician · Winslow, ME
David Preston, M.D. is an internal medicine physician with a practice address in Winslow, Maine, and NPI 1871559203, issued on Apr 25, 2006. Check the license on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- David Preston
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 80 Garland RD, Winslow, ME 04901
- Phone
- (207) 873-1098
- Enumerated
- Apr 25, 2006
- Entity
- Type 1 · individual
Also registered at 80 Garland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Theresa Jacques, FNP-CNurse Practitioner1881647709
Verify David Preston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,240 Medicare Part D claims for 832 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 270 claims were for opioids.
Most prescribed
- Omeprazole305 claims
- Levothyroxine Sodium260 claims
- Losartan Potassium254 claims
- Atorvastatin Calcium249 claims
- Rosuvastatin Calcium238 claims
- Lisinopril201 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 practice group's Medicare quality score for 2023: 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Mainegeneral Medical CenterWaterville, ME
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1 internal medicine physician records list a Winslow practice address
They are 1 of the 51 NPPES records with a Winslow practice address, and 743 internal medicine physician records in Maine.
Other internal medicine physician records in Maine
- Christopher Abbott, D.O.Lewiston, ME1982043329
- Karen Abernathy, M.D.Rockport, ME1124312335
- Hassan Abouleish, MDHoulton, ME1255300307
- Philip Abraham, M.D.Kittery, ME1497750764
- Alexander Abud, MDRockport, ME1235669706
- Elizabeth Ackerson, MDPortland, ME1912920117
- Lindsey Ackley-Pozzessere, DOBrunswick, ME1477991842
- Todd Adams, MDMoody, ME1427165778
- Adedeji Ademiluyi, MDBiddeford, ME1467013268
- Jason Adler, MDSouth Portland, ME1194252148
Common questions
What is David Preston, M.D.'s NPI number?
David Preston, M.D.'s National Provider Identifier (NPI) is 1871559203, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Preston, M.D. located?
The NPPES record lists a practice address at 80 Garland RD, Winslow, ME, 04901. Phone: (207) 873-1098. Providers update this record themselves, so call before visiting.
How can I verify David Preston, M.D.'s license?
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 David Preston, M.D. prescribe under Medicare Part D?
In 2024, David Preston, M.D. had 6,240 Medicare Part D claims for 832 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is David Preston, M.D.'s Medicare quality score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.