Jonathan Karnes, MD
Dermatology Physician · Augusta, ME
Jonathan Karnes, MD is a dermatology physician with a practice address in Augusta, Maine, and NPI 1306046180, issued on Jul 20, 2007. Check the license (Maine MD19164, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan Karnes
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MD19164 ME
Self-reported in NPPES; status is on the state search - Practice location
- 6 E Chestnut St, Augusta, ME 04330
- Phone
- (207) 623-6680
- Enumerated
- Jul 20, 2007
- Record last updated
- Aug 3, 2026
- Fax
- (207) 623-6609
- Medicaid ID
- 432680199 ME
- Medicare enrollment
- Enrolled (PECOS I20121030000260); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 58 in Maine → Look up another NPI →
Also registered at 6 E Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gretchen Andrews, MDFamily Medicine Physician1609076488
- Cheri Aubertine, M.D.Anatomic Pathology & Clinical Pathology Physician1417060948
- Brian Baggott, M.D.Gastroenterology Physician1407813306
- Margaret Barnes, PA-CPhysician Assistant1336115146
- Brittney Bell, DMDDentist1356901052
- John Benziger, MDAnatomic Pathology & Clinical Pathology Physician1871652552
Verify Jonathan Karnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD19164Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average dermatology physician in 2024
1,225 Medicare Part D claims for 382 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Clobetasol Propionate195 claims
- Triamcinolone Acetonide124 claims
- Ketoconazole73 claims
- Fluorouracil56 claims
- Doxycycline Monohydrate55 claims
- Dupixent Syringe46 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): 79.3 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).
Bills Medicare through one group practice
- Mainegeneral Medical CenterWaterville, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Karnes among 58 dermatology physician records in Maine
Jonathan Karnes, MD is one of 58 dermatology physician records with a practice address in Maine. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 40% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2007 · median 2004 among the 44 with a school on file
- Record last updated2026 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Maine
There are 58 dermatology physician records in Maine.
All 58 in Maine → Every provider in Augusta → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Jill Colvin, MDAugusta, ME 043301992714042
- Joshua Sparling, M.D.Augusta, ME 043301245216316
- James Fairfield, MDLitchfield, ME 043501861495061
- Carolyn Ellis, DOBangor, ME 044011841555398
- Robert Haeberlein, MDBangor, ME 044011104919901
- Holly HaeberleinBangor, ME 044011932537800
- Samantha Mitchell, FNP-CBangor, ME 044011861755209
- Jaymie Fe Panuncialman, M.D.Bangor, ME 044011548567068
Common questions
What is Jonathan Karnes, MD's NPI number?
Jonathan Karnes, MD's National Provider Identifier (NPI) is 1306046180, issued on Jul 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Karnes, MD located?
The NPPES record lists a practice address at 6 E Chestnut St, Augusta, ME, 04330. Phone: (207) 623-6680. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Karnes, MD's license?
NPPES lists Maine license number MD19164, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan Karnes, MD prescribe under Medicare Part D?
In 2024, Jonathan Karnes, MD had 1,225 Medicare Part D claims for 382 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Jonathan Karnes, MD's MIPS final score?
The 2023 MIPS final score is 79.3 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.