Kathleen Libby, D.D.S
Dentist · Nashua, NH
Kathleen Libby, D.D.S is a dentist with a practice address in Nashua, New Hampshire, and NPI 1427501030, issued on Jul 31, 2016. Check the license (New Hampshire 04252, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen Libby
- Credential
- D.D.S
- Primary taxonomy
- Dentist 122300000X
- License number
- 04252 NH
Self-reported in NPPES; status is on the state search - Practice location
- 505 W Hollis St, Nashua, NH 03062
- Phone
- (603) 880-9000
- Enumerated
- Jul 31, 2016
- Record last updated
- Feb 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 380 in New Hampshire → Look up another NPI →
Also registered at 505 W Hollis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathleen Libby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 04252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average dentist in 2024
72 Medicare Part D claims for 48 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin41 claims
- Penicillin V Potassium13 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.
Kathleen Libby among 380 dentist records in New Hampshire
Kathleen Libby, D.D.S is one of 380 dentist records with a practice address in New Hampshire. 65% 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 68% of them.
- NPI issued2016 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2021 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 dentist records list a practice address in Nashua
They are 42 of the 3,140 NPPES records with a practice address in Nashua, and 380 dentist records in New Hampshire.
All 380 in New Hampshire → Every provider in Nashua → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Slava Abdelrehim, DDSNashua, NH 030621124242946
- Mukunda Dogiparthi, DMDNashua, NH 030621487793451
- Sophia HallNashua, NH 030621336836832
- Erin Kang, DMDNashua, NH 030621770231607
- Mary Licking, D.D.S.Nashua, NH 030621144488362
- John Machell, DMDNashua, NH 030621124136999
- Michael Paisner, DMDNashua, NH 030621174844153
- Ravi Patel, DMD, MSNashua, NH 030621235988353
Common questions
What is Kathleen Libby, D.D.S's NPI number?
Kathleen Libby, D.D.S's National Provider Identifier (NPI) is 1427501030, issued on Jul 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Libby, D.D.S located?
The NPPES record lists a practice address at 505 W Hollis St, Nashua, NH, 03062. Phone: (603) 880-9000. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Libby, D.D.S's license?
NPPES lists New Hampshire license number 04252, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Kathleen Libby, D.D.S prescribe under Medicare Part D?
In 2024, Kathleen Libby, D.D.S had 72 Medicare Part D claims for 48 beneficiaries; the average among dentist prescribers was 86. 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.