Mark Tristan Mariano Deguzman, FNP
Family Nurse Practitioner · Bronx, NY
Mark Tristan Mariano Deguzman, FNP is a family nurse practitioner with a practice address in Bronx, New York, and NPI 1558818799, issued on Sep 6, 2016. Check the license (New York 341549, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Tristan Mariano Deguzman
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 341549 NY
691581 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3144 3RD Ave, Bronx, NY 10451
- Phone
- (212) 271-7200
- Enumerated
- Sep 6, 2016
- Record last updated
- Mar 13, 2025
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 3144 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah Couch, LMSWSocial Worker1447092523
- Steven Weiss, RD RN ANP-CAdult Health Nurse Practitioner1215176094
Verify Mark Tristan Mariano Deguzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 341549Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average family nurse practitioner in 2024
595 Medicare Part D claims for 44 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Biktarvy48 claims
- Atorvastatin Calcium30 claims
- Amlodipine Besylate26 claims
- Albuterol Sulfate Hfa25 claims
- Descovy25 claims
- Estradiol20 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: $693.18
25 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 99,489 providers of this specialty with any payment received $650.95 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.
Mark Tristan Mariano Deguzman among 14,805 family nurse practitioner records in New York
Mark Tristan Mariano Deguzman, FNP is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 37% of them.
- NPI issued2016 · 37% of these records are older, 58% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,045 family nurse practitioner records list a practice address in Bronx
They are 1,045 of the 32,017 NPPES records with a practice address in Bronx, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Bronx → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Adeyemi AlabiBronx, NY 104511407268428
- Memuna Ali, NPBronx, NY 104511740559632
- Cindy Amoako, FNPBronx, NY 104511831408400
- Nsisongobong Asuquo-Asang, NPBronx, NY 104511972850378
- Susan Ayanruoh-Tetteh, FNPBronx, NY 104511790121010
- Chenel Bennett, RNBronx, NY 104511245622661
- Patrick Hoover, NPBronx, NY 104511346502259
- Leah Naim, FNPBronx, NY 104511053792226
Common questions
What is Mark Tristan Mariano Deguzman, FNP's NPI number?
Mark Tristan Mariano Deguzman, FNP's National Provider Identifier (NPI) is 1558818799, issued on Sep 6, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mark Tristan Mariano Deguzman, FNP located?
The NPPES record lists a practice address at 3144 3RD Ave, Bronx, NY, 10451. Phone: (212) 271-7200. Providers update this record themselves, so call before visiting.
How can I verify Mark Tristan Mariano Deguzman, FNP's license?
NPPES lists New York license number 341549, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Tristan Mariano Deguzman, FNP prescribe under Medicare Part D?
In 2024, Mark Tristan Mariano Deguzman, FNP had 595 Medicare Part D claims for 44 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.