NPPES file of Aug 9, 2026

David Andrew Keenan, D.D.S., M.D.

Oral & Maxillofacial Surgery (D.M.D.) · Concord, NH

David Andrew Keenan, D.D.S., M.D. is an oral & maxillofacial surgery (d.m.d.) with a practice address in Concord, New Hampshire, and NPI 1619397312, issued on Apr 21, 2014. Check the license (New Hampshire 25689, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619397312
Name
David Andrew Keenan
Credential
D.D.S., M.D.
Primary taxonomy
Oral & Maxillofacial Surgery (D.M.D.) 204E00000X
License number
25689 NH
Self-reported in NPPES; status is on the state search
Practice location
194 Pleasant St Ste 13, Concord, NH 03301
Phone
(603) 225-3482
Enumerated
Apr 21, 2014
Record last updated
Dec 17, 2024
Medicare enrollment
Enrolled (PECOS I20251016002304); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 194 Pleasant St Ste 13

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christy Lottinger, DDSOral and Maxillofacial Surgery (Dentist)1881034262

Verify David Andrew Keenan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license 25689
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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24% fewer Medicare Part D claims than the average oral & maxillofacial surgery (d.m.d.) in 2024

278 Medicare Part D claims for 138 beneficiaries, against an average of 366 among the 1,051 providers of this specialty who prescribed in Part D.

  1. David Keenan278
  2. Specialty average366

Most prescribed

  1. Chlorhexidine Gluconate135 claims
  2. Ibuprofen92 claims
  3. Amoxicillin-Clavulanate Potass18 claims
  4. Amoxicillin16 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: $196.92

11 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 800 providers of this specialty with any payment received $1,463.03 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Keenan$196.92
  2. Specialty average$1,463.03

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

  1. Salem-Peabody Oral Surgery IncPeabody, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Oral & Maxillofacial Surgery (D.M.D.) providers in New Hampshire

There are 6 oral & maxillofacial surgery (d.m.d.) records in New Hampshire.

The 5 oral & maxillofacial surgery (d.m.d.) records with the nearest ZIP codes

  1. Jun Yu, DDSNashua, NH 030641346504925
  2. Mina Fahmy, DDSNashua, NH 030631306341375
  3. Benjamin Farr, DDS, MDNashua, NH 030601174968549
  4. Thomas Hillebrand, DMD PAClaremont, NH 037431548368681
  5. Rocco Addante, D.M.D., M.D.Lebanon, NH 037561922100379

Common questions

What is David Andrew Keenan, D.D.S., M.D.'s NPI number?

David Andrew Keenan, D.D.S., M.D.'s National Provider Identifier (NPI) is 1619397312, issued on Apr 21, 2014. An NPI identifies a provider in billing; it is not a license.

Where is David Andrew Keenan, D.D.S., M.D. located?

The NPPES record lists a practice address at 194 Pleasant St Ste 13, Concord, NH, 03301. Phone: (603) 225-3482. Providers update this record themselves, so call before visiting.

How can I verify David Andrew Keenan, D.D.S., M.D.'s license?

NPPES lists New Hampshire license number 25689, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

How much does David Andrew Keenan, D.D.S., M.D. prescribe under Medicare Part D?

In 2024, David Andrew Keenan, D.D.S., M.D. had 278 Medicare Part D claims for 138 beneficiaries; the average among oral & maxillofacial surgery (d.m.d.) prescribers was 366. 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.