Laura Caldwell Horton, M.D.
Gastroenterology Physician · Londonderry, NH
Laura Caldwell Horton, M.D. is a gastroenterology physician with a practice address in Londonderry, New Hampshire, and NPI 1609225242, issued on Jun 5, 2016. Check the license (New Hampshire 23836, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Laura Caldwell Horton
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 23836 NH
266999 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Michels Way Ste 204, Londonderry, NH 03053
- Phone
- (603) 432-8802
- Enumerated
- Jun 5, 2016
- Record last updated
- Aug 25, 2023
- Medicare enrollment
- Enrolled (PECOS I20230921001593); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 110 in New Hampshire → Look up another NPI →
Verify Laura Caldwell Horton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 23836Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average gastroenterology physician in 2024
224 Medicare Part D claims for 89 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Omeprazole62 claims
- Pantoprazole Sodium20 claims
- Colestipol Hcl17 claims
- Mesalamine17 claims
- Esomeprazole Magnesium16 claims
- Famotidine13 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.
Industry payments in 2024: $364.43
17 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Granite State Gastrointestinal Consultants PLLCLondonderry, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Laura Caldwell Horton among 110 gastroenterology physician records in New Hampshire
Laura Caldwell Horton, M.D. is one of 110 gastroenterology physician records with a practice address in New Hampshire. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 93% of them.
- NPI issued2016 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2016 · median 2002 among the 80 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New Hampshire
There are 110 gastroenterology physician records in New Hampshire.
All 110 in New Hampshire → Every provider in Londonderry → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Chengta Dai, MDNashua, NH 030601023189891
- Alan Freeman, M.D.,FRCPC,FACPNashua, NH 030601457322638
- Prasanna Gulur, M.D.Nashua, NH 030601164443750
- Michael Kaczanowski, M.D.Nashua, NH 030601639371263
- Michelle Le, DONashua, NH 030601629456686
- Mark Mallek, M.D.Nashua, NH 030601609841832
- Umer SyedNashua, NH 030601851734834
- Annette Tobar, MDNashua, NH 030601326206772
Common questions
What is Laura Caldwell Horton, M.D.'s NPI number?
Laura Caldwell Horton, M.D.'s National Provider Identifier (NPI) is 1609225242, issued on Jun 5, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Laura Caldwell Horton, M.D. located?
The NPPES record lists a practice address at 50 Michels Way Ste 204, Londonderry, NH, 03053. Phone: (603) 432-8802. Providers update this record themselves, so call before visiting.
How can I verify Laura Caldwell Horton, M.D.'s license?
NPPES lists New Hampshire license number 23836, 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 Laura Caldwell Horton, M.D. prescribe under Medicare Part D?
In 2024, Laura Caldwell Horton, M.D. had 224 Medicare Part D claims for 89 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.