Karim Nathan, M.D.
NPI 1639570849 · Clinical Cardiac Electrophysiology Physician · Langhorne, PA
Enrolled with Medicare as Practitioner - Cardiac Electrophysiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karim Nathan, M.D. is a Clinical Cardiac Electrophysiology Physician provider in Langhorne, PA (NPI 1639570849).
Provider details
- NPI number
- 1639570849
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD469700 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
1,683 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 304 | $14 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 240 | $120 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 231 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 191 | $129 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 165 | $175 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 122 | 42 |
| Flecainide Acetate | 89 | 30 |
| Apixabanbrand: Eliquis | 47 | 22 |
| Amiodarone Hcl | 45 | 15 |
| Amlodipine Besylate | 30 | 11 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 30 | — |
| Carvedilol | 29 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$417 across 17 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
- 2014-09-07
- Last updated
- 2021-07-16
- Certified
- 2021-07-16
Frequently asked questions
- What is Karim Nathan's NPI number?
- Karim Nathan's National Provider Identifier (NPI) is 1639570849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karim Nathan's specialty?
- Karim Nathan is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Karim Nathan located?
- Karim Nathan's practice location on file with NPPES is 1205 Langhorne Newtown Rd Ste 400, Langhorne, PA 19047-1223.
- What is Karim Nathan's phone number?
- The practice phone number listed in the NPPES registry for Karim Nathan is (215) 757-7212.
- Does Karim Nathan accept Medicare?
- Karim Nathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karim Nathan's NPI active?
- Yes — Karim Nathan's NPI (1639570849) is active in the NPPES registry as of the last update on 2021-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.