Mari Gem Lorenzo, M.D.
Internal Medicine Physician · Bronx, NY
Mari Gem Lorenzo, M.D. is an internal medicine physician with a practice address in Bronx, New York, and NPI 1891737839, issued on Jun 12, 2006. Check the license (New York 207326, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mari Gem Lorenzo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 207326 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4422 3RD Ave, Bronx, NY 10457
- Phone
- (718) 960-6205
- Enumerated
- Jun 12, 2006
- Record last updated
- Jul 13, 2026
- Medicaid ID
- 01769415 NY
- Medicare enrollment
- Enrolled (PECOS I20100518000020); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 4422 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rita Abraham, DOStudent in an Organized Health Care Education/Training Program1326743378
- Hiluf Abule, MDStudent in an Organized Health Care Education/Training Program1083447452
- Yohannes Achamyeleh, MDStudent in an Organized Health Care Education/Training Program1912745548
- Juan Acosta, DOEmergency Medicine Physician1316940968
Verify Mari Gem Lorenzo 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 207326Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
6,352 Medicare Part D claims for 358 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium484 claims
- Albuterol Sulfate Hfa334 claims
- Lisinopril304 claims
- Amlodipine Besylate284 claims
- Rosuvastatin Calcium270 claims
- Metoprolol Succinate196 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.
Industry payments in 2024: $612.61
22 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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.
Bills Medicare through one group practice
- Sbh Physicians PCBronx, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mari Gem Lorenzo among 12,067 internal medicine physician records in New York
Mari Gem Lorenzo, M.D. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1990 · median 2002 among the 7,221 with a school on file
- Record last updated2026 · 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).
960 internal medicine physician records list a practice address in Bronx
They are 960 of the 32,017 NPPES records with a practice address in Bronx, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Bronx → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Florenta Bederniceanu, M.D.Bronx, NY 104571417917154
- Galina Bendich, M.D.Bronx, NY 104571376590596
- Rachel Bermudez, MDBronx, NY 104571235110776
- Tamara Erlikh, M.D.Bronx, NY 104571518900471
- Joseph Harris, MDBronx, NY 104571275567653
- Manisha Kulshreshtha, M.D.Bronx, NY 104571144295007
Common questions
What is Mari Gem Lorenzo, M.D.'s NPI number?
Mari Gem Lorenzo, M.D.'s National Provider Identifier (NPI) is 1891737839, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mari Gem Lorenzo, M.D. located?
The NPPES record lists a practice address at 4422 3RD Ave, Bronx, NY, 10457. Phone: (718) 960-6205. Providers update this record themselves, so call before visiting.
How can I verify Mari Gem Lorenzo, M.D.'s license?
NPPES lists New York license number 207326, 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 Mari Gem Lorenzo, M.D. prescribe under Medicare Part D?
In 2024, Mari Gem Lorenzo, M.D. had 6,352 Medicare Part D claims for 358 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.