Heidi A. Karon, MD
Endocrinology, Diabetes & Metabolism Physician · Laurel, MD
Heidi A. Karon, MD is an endocrinology, diabetes & metabolism physician with a practice address in Laurel, Maryland, and NPI 1144361155, issued on Feb 11, 2007. Check the license (Maryland D0067223, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Heidi A. Karon
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- D0067223 MD
Self-reported in NPPES; status is on the state search - Practice location
- 14201 Laurel Park Dr, Laurel, MD 20707
- Phone
- (301) 953-2080
- Enumerated
- Feb 11, 2007
- Record last updated
- Aug 18, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (301) 953-3543
- Medicare enrollment
- Enrolled (PECOS I20081022000229); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 314 in Maryland → Look up another NPI →
Also registered at 14201 Laurel Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarabjit Anand, M.D.Surgery Physician1013915651
- Nicholas Argento, M.D.LEndocrinology, Diabetes & Metabolism Physician1093781155
- Paul Armstrong, MDInternal Medicine Physician1265547590
- Yau Huei Chung, MDOphthalmology Physician1740388453
- Timothy Ehiabor, MDHospitalist Physician1720246622
- Rene Gelber, M.D.Surgery Physician1376513390
Verify Heidi A. Karon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0067223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,719 Medicare Part D claims for 358 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Levothyroxine Sodium307 claims
- Ozempic177 claims
- Metformin Hcl154 claims
- Metformin Hcl Er151 claims
- Synthroid133 claims
- Jardiance131 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $282.50
13 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Maryland Endocrine, P.A.Columbia, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heidi A. Karon among 314 endocrinology, diabetes & metabolism physician records in Maryland
Heidi A. Karon, MD is one of 314 endocrinology, diabetes & metabolism physician records with a practice address in Maryland. 75% 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 45% of them.
- NPI issued2007 · 45% of these records are older, 41% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2002 · median 2003 among the 193 with a school on file
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Maryland
There are 314 endocrinology, diabetes & metabolism physician records in Maryland.
All 314 in Maryland → Every provider in Laurel → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Nicholas Argento, M.D.LLaurel, MD 207071093781155
- Claudia Dumfeh, M.D.Laurel, MD 207071780846758
- Ann Hagen, M.D.Laurel, MD 207071346217288
- Barrry Lance, M.D.Laurel, MD 207071316913577
- Rosalie Naglieri, M.D.Laurel, MD 207071790751865
- Anthony Zavadil, M.D.Laurel, MD 207071528034824
- Maheteme Bayeh, MDLanham, MD 207061093706871
- Andres LaraLanham, MD 207061205910056
Common questions
What is Heidi A. Karon, MD's NPI number?
Heidi A. Karon, MD's National Provider Identifier (NPI) is 1144361155, issued on Feb 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Heidi A. Karon, MD located?
The NPPES record lists a practice address at 14201 Laurel Park Dr, Laurel, MD, 20707. Phone: (301) 953-2080. Providers update this record themselves, so call before visiting.
How can I verify Heidi A. Karon, MD's license?
NPPES lists Maryland license number D0067223, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Heidi A. Karon, MD prescribe under Medicare Part D?
In 2024, Heidi A. Karon, MD had 2,719 Medicare Part D claims for 358 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Heidi A. Karon, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.