Joanna Elisabeth Loewenstein
Internal Medicine Physician · New York, NY
Joanna Elisabeth Loewenstein is an internal medicine physician with a practice address in New York, New York, and NPI 1710279278, issued on May 3, 2011. Check the license (New York 274362, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Joanna Elisabeth Loewenstein
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 274362 NY
Self-reported in NPPES; status is on the state search - Practice location
- 36 East 57TH Street, New York, NY 10022
- Phone
- (212) 600-2000
- Enumerated
- May 3, 2011
- Record last updated
- Mar 26, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 36 East 57TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Loren Barhold, PA-CMedical Physician Assistant1679881619
- Ryan Bober, M.D.Internal Medicine Physician1629430483
- Shannon Brophy, NPFamily Nurse Practitioner1104443886
- Alyssa Costa, PAPhysician Assistant1952821449
- Georgio Dano, NPFamily Nurse Practitioner1336788397
- Louis Depalo, MDPulmonary Disease Physician1396764106
Verify Joanna Elisabeth Loewenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 274362Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,788 Medicare Part D claims for 202 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium279 claims
- Amlodipine Besylate105 claims
- Rosuvastatin Calcium87 claims
- Levothyroxine Sodium72 claims
- Hydrochlorothiazide49 claims
- Synthroid46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $5,120.40
16 payments; by number, the most common kind was food and beverage; the largest payer was Eli Lilly and Company. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Joanna Elisabeth Loewenstein among 12,067 internal medicine physician records in New York
Joanna Elisabeth Loewenstein is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Howard Adler, M.D.New York, NY 100221629078803
- David Case, M.D.New York, NY 100221699771758
- Alan Dechiario, M.D.New York, NY 100221497751523
- Eric Goldberg, MDNew York, NY 100221659379014
- Edward Greaney, MDNew York, NY 100221265430714
- Ellen Mellow, MDNew York, NY 100221366444259
- Deena Nelson, M.D.New York, NY 100221992701551
- Mary Parker, M.D.New York, NY 100221790781789
Common questions
What is Joanna Elisabeth Loewenstein's NPI number?
Joanna Elisabeth Loewenstein's National Provider Identifier (NPI) is 1710279278, issued on May 3, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Elisabeth Loewenstein located?
The NPPES record lists a practice address at 36 East 57TH Street, New York, NY, 10022. Phone: (212) 600-2000. Providers update this record themselves, so call before visiting.
How can I verify Joanna Elisabeth Loewenstein's license?
NPPES lists New York license number 274362, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joanna Elisabeth Loewenstein prescribe under Medicare Part D?
In 2024, Joanna Elisabeth Loewenstein had 1,788 Medicare Part D claims for 202 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Joanna Elisabeth Loewenstein's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.