NPPES file of Aug 9, 2026

Stephen William Lehmkuhl, D.O.

Internal Medicine Physician · Keene, NH

Stephen William Lehmkuhl, D.O. is an internal medicine physician with a practice address in Keene, New Hampshire, and NPI 1356759286, issued on Jul 23, 2014. Check the license (New Hampshire 18256, as entered in NPPES) on the New Hampshire Board of Medicine; 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
1356759286
Name
Stephen William Lehmkuhl
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
18256 NH
ED0444A WV
Self-reported in NPPES; status is on the state search
Practice location
580 Court St, Keene, NH 03431
Phone
(603) 354-5400
Enumerated
Jul 23, 2014
Record last updated
Mar 11, 2026
Medicare enrollment
Enrolled (PECOS I20170818000641); accepts Medicare assignment
Medical or professional school
West Virginia School Of Osteopathic Medicine, 2014
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 580 Court St

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

  1. Kelli-Ann Abbott, DPTPhysical Therapist1699155754
  2. Kristina Abbott, FNP-CFamily Nurse Practitioner1578368916
  3. Millen Abselab, MDStudent in an Organized Health Care Education/Training Program1740128479
  4. Anardi Agosto, M.D.Internal Medicine Physician1487090700
  5. Yousef Amr, MB BCHStudent in an Organized Health Care Education/Training Program1598515652
  6. Amy Ansaldo, RD, LDRegistered Dietitian1215796131

Verify Stephen William Lehmkuhl in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 18256
    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
Open the New Hampshire license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

100 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Stephen Lehmkuhl100
  2. Specialty average3,176

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.

Bills Medicare through one group practice

  1. Concord Hospital IncConcord, NH

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

Stephen William Lehmkuhl among 673 internal medicine physician records in New Hampshire

Stephen William Lehmkuhl, D.O. 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 2014, is newer than 70% of them.

  • NPI issued2014 · 70% of these records are older, 28% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2014 · 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).

29 internal medicine physician records list a practice address in Keene

They are 29 of the 1,482 NPPES records with a practice address in Keene, and 673 internal medicine physician records in New Hampshire.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Anardi Agosto, M.D.Keene, NH 034311487090700
  2. Haris Bilal, M.D.Keene, NH 034311821379512
  3. Frederick Bruch, M.D.Keene, NH 034311427074194
  4. Remeline Damasco, MDKeene, NH 034311275520009
  5. Robert Englund, M.D.Keene, NH 034311629092721
  6. Evan Ginsberg, MDKeene, NH 034311649231762
  7. Mattthew Guiltinan, MDKeene, NH 034311326120619
  8. David Hall, M.D.Keene, NH 034311598785222

Common questions

What is Stephen William Lehmkuhl, D.O.'s NPI number?

Stephen William Lehmkuhl, D.O.'s National Provider Identifier (NPI) is 1356759286, issued on Jul 23, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Stephen William Lehmkuhl, D.O. located?

The NPPES record lists a practice address at 580 Court St, Keene, NH, 03431. Phone: (603) 354-5400. Providers update this record themselves, so call before visiting.

How can I verify Stephen William Lehmkuhl, D.O.'s license?

NPPES lists New Hampshire license number 18256, 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 Stephen William Lehmkuhl, D.O. prescribe under Medicare Part D?

In 2024, Stephen William Lehmkuhl, D.O. had 100 Medicare Part D claims for 38 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.