Karen Hart, M.D.
Internal Medicine Physician · Ho Ho Kus, NJ
Karen Hart, M.D. is an internal medicine physician with a practice address in Ho Ho Kus, New Jersey, and NPI 1679539332, issued on Apr 21, 2006. Check the license (New Jersey MA070920, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Karen Hart
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA070920 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 619 N Maple Ave, Ho Ho Kus, NJ 07423
- Phone
- (551) 284-6544
- Enumerated
- Apr 21, 2006
- Record last updated
- Oct 13, 2025
- Fax
- (551) 284-6543
- Medicare enrollment
- Enrolled (PECOS I20120202000337); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Verify Karen Hart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license MA070920Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,604 Medicare Part D claims for 844 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,168 claims
- Rosuvastatin Calcium392 claims
- Levothyroxine Sodium371 claims
- Losartan Potassium348 claims
- Amlodipine Besylate290 claims
- Lisinopril184 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 MIPS final score for 2023 (Medicare payment program): 98.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
4 internal medicine physician records list a practice address in Ho Ho Kus
They are 4 of the 124 NPPES records with a practice address in Ho Ho Kus, and 4,632 internal medicine physician records in New Jersey.
All 4 in Ho Ho Kus → All 4,632 in New Jersey → Every provider in Ho Ho Kus →
Other internal medicine physician records in New Jersey
- Joseph Aaron, MD, FACPShort Hills, NJ1861584633
- Sirike Aasmaa, DOMontville, NJ1861549925
- Holly Abate Bersalona, M.D.Sea Girt, NJ1669500492
- Kaniz Zehra Abbas, MDTrenton, NJ1598253858
- Shahida Abbas, MDOld Bridge, NJ1023104098
- Shahed AbbasiNewark, NJ1477810752
- Samih Abbassi, MDWest Orange, NJ1750380358
- Somaya Abboud, MDWest Orange, NJ1326089004
- Hilal Abboushi, MDBloomfield, NJ1548378029
- Anthony Abbruzzi, D.O.Pleasantville, NJ1629034905
Common questions
What is Karen Hart, M.D.'s NPI number?
Karen Hart, M.D.'s National Provider Identifier (NPI) is 1679539332, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Hart, M.D. located?
The NPPES record lists a practice address at 619 N Maple Ave, Ho Ho Kus, NJ, 07423. Phone: (551) 284-6544. Providers update this record themselves, so call before visiting.
How can I verify Karen Hart, M.D.'s license?
NPPES lists New Jersey license number MA070920, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Hart, M.D. prescribe under Medicare Part D?
In 2024, Karen Hart, M.D. had 7,604 Medicare Part D claims for 844 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Karen Hart, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.7 of 100. 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.