Charles Lowenstein, MD
NPI 1770529083 · Cardiovascular Disease Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Lowenstein, MD is a Cardiovascular Disease Physician provider in Baltimore, MD (NPI 1770529083).
Provider details
- NPI number
- 1770529083
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 254484 (NY)
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
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
1,492 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 | 1,193 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 74 | $131 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 61 | $15 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 48 | $133 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 34 | $184 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 80 | 27 |
| Losartan Potassium | 78 | 26 |
| Carvedilol | 71 | 18 |
| Hydrochlorothiazide | 67 | 17 |
| Amlodipine Besylate | 50 | 17 |
| Rosuvastatin Calcium | 49 | — |
| Metoprolol Succinate | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$11,248 across 2 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
- 2006-06-22
- Last updated
- 2020-01-07
- Certified
- 2020-01-07
Frequently asked questions
- What is Charles Lowenstein's NPI number?
- Charles Lowenstein's National Provider Identifier (NPI) is 1770529083, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Lowenstein's specialty?
- Charles Lowenstein is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Lowenstein located?
- Charles Lowenstein's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Charles Lowenstein's phone number?
- The practice phone number listed in the NPPES registry for Charles Lowenstein is (410) 502-0391.
- Does Charles Lowenstein accept Medicare?
- Charles Lowenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Lowenstein's NPI active?
- Yes — Charles Lowenstein's NPI (1770529083) is active in the NPPES registry as of the last update on 2020-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.