Dexter E. Hazlewood, MD
Internal Medicine Physician · New London, NH
Dexter E. Hazlewood, MD is an internal medicine physician with a practice address in New London, New Hampshire, and NPI 1265524771, issued on Sep 29, 2006. Check the license (New Hampshire EL11189, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Dexter E. Hazlewood
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- EL11189 NH
1021922 MA
036085210 IL
Self-reported in NPPES; status is on the state search - Practice location
- 273 County RD, New London, NH 03257
- Phone
- (603) 526-2911
- Enumerated
- Sep 29, 2006
- Record last updated
- Jun 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20250822000321); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1986
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 673 in New Hampshire → Look up another NPI →
Also registered at 273 County RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany Abbott, RD, LDRegistered Dietitian1891506705
- Champa Abeysinghe, M.D.Internal Medicine Physician1629257134
- Jeff Abrahamson, OTROccupational Therapist1891813093
- Ogechi Agogbuo, MDInternal Medicine Physician1265007595
- Sarah Anderson, RD, LDRegistered Dietitian1265687073
- Paul Asenjo, CRNACertified Registered Nurse Anesthetist1134862733
Verify Dexter E. Hazlewood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license EL11189Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average internal medicine physician in 2024
3,929 Medicare Part D claims for 572 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 88 claims were for opioids.
Most prescribed
- Atorvastatin Calcium208 claims
- Levothyroxine Sodium200 claims
- Amlodipine Besylate194 claims
- Metoprolol Succinate194 claims
- Lisinopril153 claims
- Losartan Potassium140 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 MIPS final score for 2023 (Medicare payment program): 89.8 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).
Bills Medicare through one group practice
- Umass Memorial Medical Group IncSouthbridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dexter E. Hazlewood among 673 internal medicine physician records in New Hampshire
Dexter E. Hazlewood, MD is one of 673 internal medicine physician records with a practice address in New Hampshire. 81% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1986 · median 2005 among the 443 with a school on file
- Record last updated2026 · 53% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in New London
They are 8 of the 207 NPPES records with a practice address in New London, and 673 internal medicine physician records in New Hampshire.
All 673 in New Hampshire → Every provider in New London → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Champa Abeysinghe, M.D.New London, NH 032571629257134
- Ogechi Agogbuo, MDNew London, NH 032571265007595
- Stephen Bissah, MDNew London, NH 032571437381100
- Stephen Jordan, MDNew London, NH 032571356435283
- John Kirk, M.D.New London, NH 032571477584811
- Louis Kowalski, MDNew London, NH 032571346281003
- Jeffrey Powell, MDNew London, NH 032571134214497
- Linda Crawford, M.D.Plymouth, NH 032641770558231
Common questions
What is Dexter E. Hazlewood, MD's NPI number?
Dexter E. Hazlewood, MD's National Provider Identifier (NPI) is 1265524771, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dexter E. Hazlewood, MD located?
The NPPES record lists a practice address at 273 County RD, New London, NH, 03257. Phone: (603) 526-2911. Providers update this record themselves, so call before visiting.
How can I verify Dexter E. Hazlewood, MD's license?
NPPES lists New Hampshire license number EL11189, 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 Dexter E. Hazlewood, MD prescribe under Medicare Part D?
In 2024, Dexter E. Hazlewood, MD had 3,929 Medicare Part D claims for 572 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Dexter E. Hazlewood, MD's MIPS final score?
The 2023 MIPS final score is 89.8 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), 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.