Jonathan Polak, M.D.
Internal Medicine Physician · Wolfeboro, NH
Jonathan Polak, M.D. is an internal medicine physician with a practice address in Wolfeboro, New Hampshire, and NPI 1659750560, issued on May 26, 2015. Check the license (New Hampshire 19473, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan Polak
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 19473 NH
C194706 CA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Mill St Ste 101, Wolfeboro, NH 03894
- Phone
- (252) 722-3240
- Enumerated
- May 26, 2015
- Record last updated
- Apr 27, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 673 in New Hampshire → Look up another NPI →
Also registered at 55 Mill St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Owen, DOInternal Medicine Physician1720289093
Verify Jonathan Polak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 19473Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,060 Medicare Part D claims for 461 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Atorvastatin Calcium180 claims
- Amlodipine Besylate175 claims
- Irbesartan156 claims
- Levothyroxine Sodium134 claims
- Rosuvastatin Calcium113 claims
- Lisinopril97 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): 57 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).
Jonathan Polak among 673 internal medicine physician records in New Hampshire
Jonathan Polak, M.D. 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 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- 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).
14 internal medicine physician records list a practice address in Wolfeboro
They are 14 of the 198 NPPES records with a practice address in Wolfeboro, and 673 internal medicine physician records in New Hampshire.
All 673 in New Hampshire → Every provider in Wolfeboro → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Boornazian, M.D.Wolfeboro, NH 038941578561908
- Martin Boucher, MDWolfeboro, NH 038941174598510
- Paul Demasi, D.O.Wolfeboro, NH 038941659389286
- Stephen Fleet, MDWolfeboro, NH 038941235128190
- Charles Hiles, M.D.Wolfeboro, NH 038941699715011
- Ahmed Hussin, MDWolfeboro, NH 038941265094940
- Kaylyn Kirk, DOWolfeboro, NH 038941194454199
- Marcia Lewis, M.D.Wolfeboro, NH 038941801834106
Common questions
What is Jonathan Polak, M.D.'s NPI number?
Jonathan Polak, M.D.'s National Provider Identifier (NPI) is 1659750560, issued on May 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Polak, M.D. located?
The NPPES record lists a practice address at 55 Mill St Ste 101, Wolfeboro, NH, 03894. Phone: (252) 722-3240. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Polak, M.D.'s license?
NPPES lists New Hampshire license number 19473, 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 Jonathan Polak, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Polak, M.D. had 3,060 Medicare Part D claims for 461 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jonathan Polak, M.D.'s MIPS final score?
The 2023 MIPS final score is 57 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.