Anthony Cornelis Zwaan, M.D.
Family Medicine Physician · Exeter, NH
Anthony Cornelis Zwaan, M.D. is a family medicine physician with a practice address in Exeter, New Hampshire, and NPI 1942316104, issued on Aug 21, 2006. Check the license (New Hampshire 10069, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Anthony Cornelis Zwaan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 10069 NH
Self-reported in NPPES; status is on the state search - Practice location
- 19 Hampton RD, Exeter, NH 03833
- Phone
- (603) 773-2225
- Enumerated
- Aug 21, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (603) 658-3105
- Medicaid ID
- 30010658 NH
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 816 in New Hampshire → Look up another NPI →
Also registered at 19 Hampton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anthony Cornelis Zwaan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 10069Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average family medicine physician in 2024
575 Medicare Part D claims for 59 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Atorvastatin Calcium41 claims
- Amlodipine Besylate39 claims
- Omeprazole39 claims
- Lisinopril35 claims
- Losartan Potassium28 claims
- Escitalopram Oxalate25 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.
Anthony Cornelis Zwaan among 816 family medicine physician records in New Hampshire
Anthony Cornelis Zwaan, M.D. is one of 816 family medicine physician records with a practice address in New Hampshire. 74% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 43% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2007 · 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 207Q00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 family medicine physician records list a practice address in Exeter
They are 26 of the 704 NPPES records with a practice address in Exeter, and 816 family medicine physician records in New Hampshire.
All 816 in New Hampshire → Every provider in Exeter → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- James Bloomer, MDExeter, NH 038331154377349
- Elizabeth Buchanan, MDExeter, NH 038331497714505
- Gueorgui Dimov, MDExeter, NH 038331659488757
- Christen Doucet, MDExeter, NH 038331295781748
- Michael Lannon, MDExeter, NH 038331386602522
- Michael Pangan, MDExeter, NH 038331154383867
- Susan Porter, MDExeter, NH 038331144297524
- Marney Roemmelt, M.D.Exeter, NH 038331760481881
Common questions
What is Anthony Cornelis Zwaan, M.D.'s NPI number?
Anthony Cornelis Zwaan, M.D.'s National Provider Identifier (NPI) is 1942316104, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Cornelis Zwaan, M.D. located?
The NPPES record lists a practice address at 19 Hampton RD, Exeter, NH, 03833. Phone: (603) 773-2225. Providers update this record themselves, so call before visiting.
How can I verify Anthony Cornelis Zwaan, M.D.'s license?
NPPES lists New Hampshire license number 10069, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Anthony Cornelis Zwaan, M.D. prescribe under Medicare Part D?
In 2024, Anthony Cornelis Zwaan, M.D. had 575 Medicare Part D claims for 59 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.