Dr. Nitza Martinez Fernandez, MD

  • Arecibo, PR
  • General practice physician
NPI1164575668PAC ID0840425138
Medicare services, 2021
37
Part D claims, 2024
6,284
Hospital affiliations
1
Industry payments
$4,872
State license
1
Practice address
Calle Palma Num 55, Arecibo, PR 00612
Practice phone
Call (787) 650-1030
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Hospital Metropolitano Dr. Susoni

Hospital · Arecibo, Puerto Rico

Find Dr. Martinez Fernandez's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Nitza Martinez Fernandez is a general practice physician in Arecibo, Puerto Rico

Dr. Martinez Fernandez practices at Hospital Metropolitano Dr. Susoni in Arecibo, Puerto Rico, part of Metro Pavia Health System.

Dr. Martinez Fernandez's NPI, 1164575668, was assigned on January 19, 2007. Dr. Martinez Fernandez holds Puerto Rico license 6617.

NPI and contact details
Medicare PAC ID
0840425138
NPI enumeration date
January 19, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(787) 650-1030
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
72
Medical school graduation
1980

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nitza Martinez Fernandez practices at 2 locations in Arecibo, Puerto Rico

Dr. Martinez Fernandez's primary practice is Hospital Metropolitano Dr. Susoni, at Calle Palma Num 55, Arecibo, PR 00612 in Arecibo County. The practice phone is (787) 650-1030. The NPI Registry lists Dr. Martinez Fernandez's practice address as 55 Calle Palma, Arecibo, PR 00612.

  • Hospital Metropolitano Dr. SusoniPrimary
    Calle Palma Num 55, Arecibo, PR 00612 · Arecibo CountyPhone(787) 650-1030
  • NPI Registry address
    55 Calle Palma, Arecibo, PR 00612 · Arecibo CountyPhone(787) 881-3325

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Nitza Martinez Fernandez is affiliated with 1 site of care

Dr. Martinez Fernandez's primary practice is Hospital Metropolitano Dr. Susoni in Arecibo, Puerto Rico, part of Metro Pavia Health System.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Nitza Martinez Fernandez's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martinez Fernandez practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hospital Metropolitano Dr. SusoniAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Martinez Fernandez practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Metro Pavia Health System and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Nitza Martinez Fernandez is one of 2,604 general practice physicians in Puerto Rico

General practice is Dr. Martinez Fernandez's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Martinez Fernandez is licensed in Puerto Rico.

Specialties and state licenses

  • General practice, Puerto RicoPrimaryLicense 6617 · taxonomy 208D00000X

General practice physicians near Dr. Martinez Fernandez

Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Nitza Martinez Fernandez billed Medicare for 37 services in 2021

CMS data shows 37 Medicare services from Dr. Martinez Fernandez across 1 procedure code in 2021, all of them office visits. Medicare paid $2,411 for them. Every service was in an office.

Medicare services, 202137
Paid by Medicare$2,411
Procedure codes1

Dr. Martinez Fernandez's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 362021: 373%

Dr. Martinez Fernandez compared with the Puerto Rico median for general practice physicians, 2021

  • Dr. Martinez Fernandez
  • Puerto Rico median
Medicare services
37vs 349% above
Part D claims
5,615vs 7357.6 times

Medians across 3,001 general practice physicians in Puerto Rico with Dmand AI profiles that report each measure.

Dr. Martinez Fernandez's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Martinez Fernandez

Need commercial claims for Dr. Martinez Fernandez?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Martinez Fernandez and other general practice physicians in Puerto Rico.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nitza Martinez Fernandez's patients have a median age of 84

Across all payers, Dmand AI patient panel data puts Dr. Martinez Fernandez's median patient age at 84, with 100% women.

Dr. Martinez Fernandez's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 84

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Nitza Martinez Fernandez wrote 6,284 Medicare Part D claims in 2024

In 2024, Dr. Martinez Fernandez wrote 6,284 Medicare Part D claims for 286 patients. 81% of them were for generic drugs. CMS names the drug for 5,615 of them, across 120 drugs with 11 or more claims each, at $691,332 in total drug cost. In 2023, CMS named 6,090 claims across 123 drugs.

Part D claims, 20246,284
Drugs named by CMS120
Total drug cost$691,332
Part D patients286

Dr. Martinez Fernandez's Part D claims by kind of drug, 2024

  • Generic5,114 claims81%
  • Brand-name1,049 claims17%
  • Other121 claims2%

Dr. Martinez Fernandez's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Martinez Fernandez's Part D claims, 2024

  • Opioids1%33 of 6,284 claims
  • Antibiotics3%169 of 6,284 claims
  • Antipsychotics, patients 65 and over1%37 of 6,284 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6,0902024: 5,6158%

Drugs named by CMS: 120 in 2024, 123 in 2023.

See all prescribing by Dr. Martinez Fernandez

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Nitza Martinez Fernandez takes part in Medicare

Dr. Martinez Fernandez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find general practice physicians like Dr. Martinez Fernandez by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Nitza Martinez Fernandez received $4,872 in industry payments from 2016 to 2025

CMS Open Payments shows 128 general payments to Dr. Martinez Fernandez from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,748.

General payments to Dr. Martinez Fernandez by program year, 2016 to 2025

Companies that paid Dr. Martinez Fernandez the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Martinez Fernandez

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Nitza Martinez Fernandez's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Nitza Martinez Fernandez

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Nitza Martinez Fernandez's NPI number?

Dr. Nitza Martinez Fernandez's NPI number is 1164575668. It was assigned on January 19, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Nitza Martinez Fernandez?

Dr. Nitza Martinez Fernandez is a general practice physician in Arecibo, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. Nitza Martinez Fernandez practice?

Dr. Martinez Fernandez practices at Calle Palma Num 55, Arecibo, PR 00612. Dr. Martinez Fernandez also practices at 55 Calle Palma, Arecibo, PR 00612. Dr. Martinez Fernandez's primary practice is Hospital Metropolitano Dr. Susoni in Arecibo, Puerto Rico, part of Metro Pavia Health System.

What is Dr. Nitza Martinez Fernandez's office phone number?

The practice phone on file for Dr. Martinez Fernandez is (787) 650-1030.

What is Dr. Nitza Martinez Fernandez's medical license number?

Dr. Martinez Fernandez holds Puerto Rico license 6617.

Which hospitals is Dr. Nitza Martinez Fernandez affiliated with?

Dr. Martinez Fernandez practices at Hospital Metropolitano Dr. Susoni in Arecibo, Puerto Rico.

Does Dr. Nitza Martinez Fernandez accept Medicare?

Yes. CMS data shows Dr. Martinez Fernandez billed Medicare for 37 services in 2021, and Dr. Martinez Fernandez accepts Medicare assignment.

What services does Dr. Nitza Martinez Fernandez bill to Medicare?

In 2021, Dr. Martinez Fernandez's most billed Medicare services were office visit, established patient (99213).

What drugs does Dr. Nitza Martinez Fernandez prescribe most?

In 2024 Medicare Part D data, Dr. Martinez Fernandez's most prescribed drugs by claims were Rosuvastatin Calcium, Gabapentin and Irbesartan.

Has Dr. Nitza Martinez Fernandez received payments from drug or device companies?

CMS Open Payments shows $4,872 in general payments to Dr. Martinez Fernandez from 9 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Nitza Martinez Fernandez been practicing?

Dr. Martinez Fernandez graduated from medical school in 1980, 46 years ago.

Selling to general practice practices?

See general practice physicians in Puerto Rico by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)