Heidi Karon, MD
NPI 1144361155 · Endocrinology, Diabetes & Metabolism Physician · Laurel, MD
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heidi Karon, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Laurel, MD (NPI 1144361155).
Provider details
- NPI number
- 1144361155
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- D0067223 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,097 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 667 | $131 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 499 | $17 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 128 | $10 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 118 | $35 |
| Hemoglobin A1c Level83036 | 111 | $9 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 307 | 89 |
| Semaglutidebrand: Ozempic | 177 | 48 |
| Metformin Hcl | 154 | 53 |
| Metformin Hclbrand: Metformin Hcl Er | 151 | 46 |
| Levothyroxine Sodiumbrand: Synthroid | 133 | 47 |
| Empagliflozinbrand: Jardiance | 131 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$283 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-11
- Last updated
- 2008-08-18
Frequently asked questions
- What is Heidi Karon's NPI number?
- Heidi Karon's National Provider Identifier (NPI) is 1144361155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Karon's specialty?
- Heidi Karon is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Heidi Karon located?
- Heidi Karon's practice location on file with NPPES is 14201 Laurel Park Dr, Laurel, MD 20707-5203.
- What is Heidi Karon's phone number?
- The practice phone number listed in the NPPES registry for Heidi Karon is (301) 953-2080.
- Does Heidi Karon accept Medicare?
- Heidi Karon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heidi Karon's NPI active?
- Yes — Heidi Karon's NPI (1144361155) is active in the NPPES registry as of the last update on 2008-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.