Timothy G. Keenan, MD
Family Medicine Physician · Stratham, NH
Timothy G. Keenan, MD is a family medicine physician with a practice address in Stratham, New Hampshire, and NPI 1508851791, issued on Sep 14, 2005. Check the license (New Hampshire 13165, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Timothy G. Keenan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 13165 NH
Self-reported in NPPES; status is on the state search - Practice location
- 118 Portsmouth Ave Ste A201, Stratham, NH 03885
- Phone
- (603) 379-2844
- Enumerated
- Sep 14, 2005
- Record last updated
- Nov 26, 2025
- Fax
- (603) 379-2860
- Medicare enrollment
- Enrolled (PECOS I20061109000653); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 816 in New Hampshire → Look up another NPI →
Verify Timothy G. Keenan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 13165Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,501 Medicare Part D claims for 575 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 138 claims were for opioids.
Most prescribed
- Atorvastatin Calcium618 claims
- Lisinopril418 claims
- Omeprazole315 claims
- Amlodipine Besylate305 claims
- Hydrochlorothiazide304 claims
- Levothyroxine Sodium301 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.
Timothy G. Keenan among 816 family medicine physician records in New Hampshire
Timothy G. Keenan, 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 fileYes · 61% of these records are
- Graduated1997 · median 2003 among the 498 with a school on file
- Record last updated2025 · 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).
5 family medicine physician records list a practice address in Stratham
They are 5 of the 161 NPPES records with a practice address in Stratham, and 816 family medicine physician records in New Hampshire.
All 816 in New Hampshire → Every provider in Stratham → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Monica Gifford, MDStratham, NH 038851255951125
- Robert Howe, DOStratham, NH 038851043210909
- Monique Larouche, MDStratham, NH 038851912950593
- Joanna Luchsinger, MDStratham, NH 038851710971494
- Brian Irwin, D.O.Tamworth, NH 038861427070630
- Gregory Andrecyk, MDSomersworth, NH 038781790731107
- Alexander Asch, D.O.Somersworth, NH 038781912075615
- Edwin Charle, M.D.Somersworth, NH 038781003859422
Common questions
What is Timothy G. Keenan, MD's NPI number?
Timothy G. Keenan, MD's National Provider Identifier (NPI) is 1508851791, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy G. Keenan, MD located?
The NPPES record lists a practice address at 118 Portsmouth Ave Ste A201, Stratham, NH, 03885. Phone: (603) 379-2844. Providers update this record themselves, so call before visiting.
How can I verify Timothy G. Keenan, MD's license?
NPPES lists New Hampshire license number 13165, 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 Timothy G. Keenan, MD prescribe under Medicare Part D?
In 2024, Timothy G. Keenan, MD had 7,501 Medicare Part D claims for 575 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.