George R. Kousaie, MD
Family Medicine Physician · Portsmouth, NH
George R. Kousaie, MD is a family medicine physician with a practice address in Portsmouth, New Hampshire, and NPI 1548263437, issued on May 24, 2005. Check the license (New Hampshire 18895, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- George R. Kousaie
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 18895 NH
MD12938 ME
Self-reported in NPPES; status is on the state search - Practice location
- 67 Corporate Dr, 3RD FL, Portsmouth, NH 03801
- Phone
- (603) 610-8050
- Enumerated
- May 24, 2005
- Record last updated
- Jan 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 3099264 NH
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 816 in New Hampshire → Look up another NPI →
Also registered at 67 Corporate Dr, 3RD FL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline Irzyk, APRNPrimary Care Nurse Practitioner1548677685
Verify George R. Kousaie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 18895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average family medicine physician in 2024
2,575 Medicare Part D claims for 305 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium213 claims
- Lisinopril127 claims
- Losartan Potassium124 claims
- Amlodipine Besylate113 claims
- Metoprolol Succinate104 claims
- Levothyroxine Sodium103 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.
George R. Kousaie among 816 family medicine physician records in New Hampshire
George R. Kousaie, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2020 · 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).
36 family medicine physician records list a practice address in Portsmouth
They are 36 of the 1,860 NPPES records with a practice address in Portsmouth, and 816 family medicine physician records in New Hampshire.
All 816 in New Hampshire → Every provider in Portsmouth → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Keenan Al-Hojerry, MDPortsmouth, NH 038011063468981
- Mark Ballentyne, MDPortsmouth, NH 038011669404661
- David Gagnon, MDPortsmouth, NH 038011831145259
- Jennifer Koop, MDPortsmouth, NH 038011699769372
- Susan Krolewski, MDPortsmouth, NH 038011467406710
- Kenneth Lajoie, DOPortsmouth, NH 038011730142175
- M. Lauter, M.D.Portsmouth, NH 038011366544819
- Stephen Lutz, MDPortsmouth, NH 038011881640761
Common questions
What is George R. Kousaie, MD's NPI number?
George R. Kousaie, MD's National Provider Identifier (NPI) is 1548263437, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is George R. Kousaie, MD located?
The NPPES record lists a practice address at 67 Corporate Dr, 3RD FL, Portsmouth, NH, 03801. Phone: (603) 610-8050. Providers update this record themselves, so call before visiting.
How can I verify George R. Kousaie, MD's license?
NPPES lists New Hampshire license number 18895, 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 George R. Kousaie, MD prescribe under Medicare Part D?
In 2024, George R. Kousaie, MD had 2,575 Medicare Part D claims for 305 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.