Andrew S. Flewwelling, MD
Internal Medicine Physician · Hyannis, MA
Andrew S. Flewwelling, MD is an internal medicine physician with a practice address in Hyannis, Massachusetts, and NPI 1396717468, issued on Feb 3, 2006. Check the license (Massachusetts 226799, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Andrew S. Flewwelling
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 226799 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1070 Iyannough RD, Hyannis, MA 02601
- Phone
- (888) 405-6396
- Enumerated
- Feb 3, 2006
- Record last updated
- Jul 31, 2025
- Fax
- (415) 252-7176
- Medicaid ID
- 2115000 MA
- Medicare enrollment
- Enrolled (PECOS I20060216000050); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 1070 Iyannough RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leah Coburn, LICSWClinical Social Worker1962978957
- Matthew Favazza, FNPFamily Nurse Practitioner1699114512
- Haley Lyons, LCSWClinical Social Worker1134912025
- Sharon Mahoney, MDInternal Medicine Physician1205974722
- Caitlin McQueen, ODOptometrist1689101842
- David McQueen, O.D.Optometrist1821102138
Verify Andrew S. Flewwelling in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 226799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average internal medicine physician in 2024
5,395 Medicare Part D claims for 643 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 258 claims were for opioids.
Most prescribed
- Atorvastatin Calcium388 claims
- Levothyroxine Sodium246 claims
- Lisinopril242 claims
- Amlodipine Besylate237 claims
- Omeprazole164 claims
- Metoprolol Succinate151 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.
Bills Medicare through one group practice
- Iora Health Massachusetts, P.C.Hyannis, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew S. Flewwelling among 6,825 internal medicine physician records in Massachusetts
Andrew S. Flewwelling, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1992 · median 2004 among the 4,103 with a school on file
- Record last updated2025 · 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 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 internal medicine physician records list a practice address in Hyannis
They are 51 of the 1,457 NPPES records with a practice address in Hyannis, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Hyannis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Grover Baxley, MDHyannis, MA 026011912961707
- Conrad Benoit, D.O.Hyannis, MA 026011629059985
- Paul Bizinkauskas, M.D.Hyannis, MA 026011578521415
- James Chingos, MDHyannis, MA 026011508826421
- Arthur Crago, MDHyannis, MA 026011851340475
- Abraham Dietz, MDHyannis, MA 026011518917186
- Patricia Hammel, MDHyannis, MA 026011467403543
- Ruth Holland, MDHyannis, MA 026011588666358
Common questions
What is Andrew S. Flewwelling, MD's NPI number?
Andrew S. Flewwelling, MD's National Provider Identifier (NPI) is 1396717468, issued on Feb 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew S. Flewwelling, MD located?
The NPPES record lists a practice address at 1070 Iyannough RD, Hyannis, MA, 02601. Phone: (888) 405-6396. Providers update this record themselves, so call before visiting.
How can I verify Andrew S. Flewwelling, MD's license?
NPPES lists Massachusetts license number 226799, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew S. Flewwelling, MD prescribe under Medicare Part D?
In 2024, Andrew S. Flewwelling, MD had 5,395 Medicare Part D claims for 643 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.