Daniel L. Davies, DO
Internal Medicine Physician · Portsmouth, NH
Daniel L. Davies, DO is an internal medicine physician with a practice address in Portsmouth, New Hampshire, and NPI 1083683833, issued on Mar 15, 2006. Check the license (New Hampshire 13450, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Daniel L. Davies
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 13450 NH
000317 CT
Self-reported in NPPES; status is on the state search - Practice location
- 155 Borthwick Ave, Portsmouth, NH 03801
- Phone
- (603) 433-8434
- Enumerated
- Mar 15, 2006
- Record last updated
- Jan 27, 2022
- Fax
- (603) 436-6608
- Medicaid ID
- 3082880 NH
- Medicare enrollment
- Enrolled (PECOS I20071004000231); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 673 in New Hampshire → Look up another NPI →
Also registered at 155 Borthwick Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel L. Davies in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 13450Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,332 Medicare Part D claims for 906 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 99 claims were for opioids.
Most prescribed
- Atorvastatin Calcium730 claims
- Lisinopril588 claims
- Amlodipine Besylate458 claims
- Levothyroxine Sodium302 claims
- Omeprazole292 claims
- Hydrochlorothiazide249 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: $22.00
1 payment: food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Appledore Medical Group IncPortsmouth, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel L. Davies among 673 internal medicine physician records in New Hampshire
Daniel L. Davies, DO 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
- Graduated1989 · median 2005 among the 443 with a school on file
- Record last updated2022 · 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).
37 internal medicine physician records list a practice address in Portsmouth
They are 37 of the 1,860 NPPES records with a practice address in Portsmouth, and 673 internal medicine physician records in New Hampshire.
All 673 in New Hampshire → Every provider in Portsmouth → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jonathan Bridges, M.D.Newington, NH 038011083744510
- Thomas Clairmont, MDPortsmouth, NH 038011053415794
- Gary Fagin, M.D.Portsmouth, NH 038011376518886
- Diane Flamburis, MDPortsmouth, NH 038011851367387
- Mark Henschke, DONewington, NH 038011922092667
- Sunila Jo, MDPortsmouth, NH 038011740290097
- Paris Khavari, MDPortsmouth, NH 038011790889434
- David Legro, MDPortsmouth, NH 038011861579302
Common questions
What is Daniel L. Davies, DO's NPI number?
Daniel L. Davies, DO's National Provider Identifier (NPI) is 1083683833, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel L. Davies, DO located?
The NPPES record lists a practice address at 155 Borthwick Ave, Portsmouth, NH, 03801. Phone: (603) 433-8434. Providers update this record themselves, so call before visiting.
How can I verify Daniel L. Davies, DO's license?
NPPES lists New Hampshire license number 13450, 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 Daniel L. Davies, DO prescribe under Medicare Part D?
In 2024, Daniel L. Davies, DO had 9,332 Medicare Part D claims for 906 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.