Jonathan Gardner, M.D.
NPI 1639490840 · Cardiovascular Disease Physician · Clarksburg, MD
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Gardner, M.D. is a Cardiovascular Disease Physician provider in Clarksburg, MD (NPI 1639490840).
Provider details
- NPI number
- 1639490840
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0088104 (MD)
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
16 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
5,377 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 Report Only93010 | 2,193 | $8 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 480 | $15 |
| 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 | 360 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 302 | $132 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 250 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 296 | 148 |
| Metoprolol Succinate | 235 | 125 |
| Apixabanbrand: Eliquis | 180 | 79 |
| Rosuvastatin Calcium | 138 | 73 |
| Furosemide | 130 | 71 |
| Losartan Potassium | 127 | 74 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (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
- 2010-06-22
- Last updated
- 2023-05-26
- Certified
- 2023-05-26
Frequently asked questions
- What is Jonathan Gardner's NPI number?
- Jonathan Gardner's National Provider Identifier (NPI) is 1639490840, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Gardner's specialty?
- Jonathan Gardner is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Gardner located?
- Jonathan Gardner's practice location on file with NPPES is 23208 Peach Tree Rd, Clarksburg, MD 20871-9125.
- What is Jonathan Gardner's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Gardner is (678) 458-3564.
- Does Jonathan Gardner accept Medicare?
- Jonathan Gardner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Gardner's NPI active?
- Yes — Jonathan Gardner's NPI (1639490840) is active in the NPPES registry as of the last update on 2023-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.