Joanna Loewenstein
NPI 1710279278 · Internal Medicine Physician · New York, NY
Joanna Loewenstein is a Internal Medicine Physician provider in New York, NY (NPI 1710279278).
Provider details
- NPI number
- 1710279278
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 274362 (NY)
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
15 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
1,224 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 | 380 | $150 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 249 | $9 |
| 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 | 159 | $19 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 91 | $106 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 72 | $156 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 279 | 77 |
| Amlodipine Besylate | 105 | 30 |
| Rosuvastatin Calcium | 87 | 30 |
| Levothyroxine Sodium | 72 | 23 |
| Hydrochlorothiazide | 49 | 17 |
| Levothyroxine Sodiumbrand: Synthroid | 46 | 12 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,120 across 16 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
- 2011-05-03
- Last updated
- 2025-03-26
- Certified
- 2023-06-28
Frequently asked questions
- What is Joanna Loewenstein's NPI number?
- Joanna Loewenstein's National Provider Identifier (NPI) is 1710279278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Loewenstein's specialty?
- Joanna Loewenstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joanna Loewenstein located?
- Joanna Loewenstein's practice location on file with NPPES is 36 East 57th Street, New York, NY 10022.
- What is Joanna Loewenstein's phone number?
- The practice phone number listed in the NPPES registry for Joanna Loewenstein is (212) 600-2000.
- Is Joanna Loewenstein's NPI active?
- Yes — Joanna Loewenstein's NPI (1710279278) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.