Christopher G. Ahern, D.O.
Hospice and Palliative Medicine (Internal Medicine) Physician · Lebanon, NH
Christopher G. Ahern, D.O. is a hospice and palliative medicine (internal medicine) physician with a practice address in Lebanon, New Hampshire, and NPI 1124405352, issued on Apr 27, 2015. Check the license (New Hampshire 20698, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Christopher G. Ahern
- Credential
- D.O.
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License number
- 20698 NH
Self-reported in NPPES; status is on the state search - Practice location
- One Medical Center Drive, Lebanon, NH 03756
- Phone
- (860) 358-6486
- Enumerated
- Apr 27, 2015
- Record last updated
- Aug 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201001002855); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (internal medicine) physician records → All 28 in New Hampshire → Look up another NPI →
Also registered at One Medical Center Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeffrey Adler, M.D.Gastroenterology Physician1225327638
- Hilary Allison, APRNFamily Nurse Practitioner1598263774
- Madelynn Azar-Cavanagh, MD, MPH, CPE, FACOEMOccupational Medicine Physician1134266885
- Adrian Banning, PAPhysician Assistant1326142423
- Maria Bates, MDSurgery Physician1245524222
Verify Christopher G. Ahern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 20698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024
290 Medicare Part D claims for 35 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 171 claims were for opioids.
Most prescribed
- Fentanyl36 claims
- Morphine Sulfate Er35 claims
- Gabapentin33 claims
- Morphine Sulfate31 claims
- Oxycodone Hcl30 claims
- Pregabalin27 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 69.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
2 hospitals and group practices
- Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospitals3 of 5 stars
- Dartmouth-Hitchcock ClinicLebanon, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Christopher G. Ahern among 28 hospice and palliative medicine (internal medicine) physician records in New Hampshire
Christopher G. Ahern, D.O. is one of 28 hospice and palliative medicine (internal medicine) physician records with a practice address in New Hampshire. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 75% of them.
- NPI issued2015 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2015 · median 2004 among the 22 with a school on file
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in New Hampshire
There are 28 hospice and palliative medicine (internal medicine) physician records in New Hampshire.
All 28 in New Hampshire → Every provider in Lebanon → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →
The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes
- Claire Ankuda, MDLebanon, NH 037561972858850
- Amber Barnato, MD, MPH, MSLebanon, NH 037561437680014
- Ellen Bassett, MDLebanon, NH 037561508091125
- Amelia Cullinan, M.D.Lebanon, NH 037561467588046
- Nathan Goldstein, MDLebanon, NH 037561083681761
- Jonathan Jolin, M.D.Lebanon, NH 037561235572546
- Kathryn Kirkland, M.D.Lebanon, NH 037561851300289
- Robin Larson, M.D., M.P.H.Lebanon, NH 037561730281734
Common questions
What is Christopher G. Ahern, D.O.'s NPI number?
Christopher G. Ahern, D.O.'s National Provider Identifier (NPI) is 1124405352, issued on Apr 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Christopher G. Ahern, D.O. located?
The NPPES record lists a practice address at One Medical Center Drive, Lebanon, NH, 03756. Phone: (860) 358-6486. Providers update this record themselves, so call before visiting.
How can I verify Christopher G. Ahern, D.O.'s license?
NPPES lists New Hampshire license number 20698, 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 Christopher G. Ahern, D.O. prescribe under Medicare Part D?
In 2024, Christopher G. Ahern, D.O. had 290 Medicare Part D claims for 35 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Christopher G. Ahern, D.O.'s MIPS final score?
The 2023 MIPS final score is 69.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.