Grisel Caridad Fdez-Vega Martinez , ARNP
Nurse Practitioner • Miami, FL
1400 Nw 12th Ave
Miami, FL 331361087
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Grisel Fdez-Vega Martinez is listed in NPPES under Nurse Practitioner.
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NPI assigned on September 11, 2018; this date does not establish years in practice.
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Published CMS data list 81 Original Medicare Part B services in 2021.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021. Published rows only; this is not a quality measure.
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Published Part B service records, 2021:
- 99232 — Subsequent hospital care with moderate levelof medical decision making: 48 service units.
- 99233 — Subsequent hospital care with moderate levelof medical decision making: 33 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2020 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2021). CPT notice
See the full table · Guide: How to read Medicare Part B data
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Medicare Part B services went from 39 in 2019 to 81 in 2021.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2019–2021.
Practice Location & Contact Primary Location
1400 Nw 12th Ave
Miami, FL 331361087
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 2 distinct additional practice-address records in Coral Gables, FL; Miami, FL. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $6,322 in 2021
The total amount Medicare approved for these services in 2021. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021.
Paid by Medicare
About $5,001 in 2021
The part of the Medicare-allowed amount that Medicare itself paid in 2021, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $121.28 in 2025
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2025.
NPI first issued
2018
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Miami and Florida
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Grisel Fdez-Vega Martinez are from 2021.
955 active clinicians are listed under Nurse Practitioner with a practice address in Miami, FL (8,853 in Florida).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Miami
10.9% of these 955 clinicians have the CMS telehealth indicator.
38.5% of these 955 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services increased 108% from 39 in 2019 to 81 in 2021.
- 2019: 39
- 2020: 94
- 2021: 81
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Medicare-allowed amount
Medicare-allowed amount increased 95% from $3,247 in 2019 to $6,322 in 2021.
- 2019: $3,247
- 2020: $7,587
- 2021: $6,322
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Paid by Medicare
Paid by Medicare increased 93% from $2,587 in 2019 to $5,001 in 2021.
- 2019: $2,587
- 2020: $6,064
- 2021: $5,001
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $223.52 in 2023 to $121.28 in 2025.
- 2023: $223.52
- 2024: $142.01
- 2025: $121.28
Sources: CMS Medicare Physician & Other Practitioners (2021), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $121.28.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Incyte Corporation |
Food and Beverage
Cash or cash equivalent
|
Pemazyre | General | $121.28 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2018–2020 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2019–2021; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
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48 | 37 | $276.00 | $66.32 |
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99233
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
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33 | 27 | $399.00 | $95.12 |
Source: CMS Part B by Provider and Service, 2021; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Secondary Practice Locations
5555 Ponce De Leon Blvd
Coral Gables, FL 331462513
Phone: 3056893627
1475 Nw 12th Ave
Miami, FL 331361002
Phone: 3052431000
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Internal Medicine - Cardiovascular Disease
Nurse Practitioner - Family
Advanced Practice Registered Nurse
Nurse Anesthetist, Certified Registered
Internal Medicine - Cardiovascular Disease
Doctor of Medicine (M.D.)
Nurse Practitioner
Advanced Practice Registered Nurse
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Career & Practice History
NPI enumerated September 11, 2018.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from October 2018 to August 2026.
NPI Administrative Meta
Other Nurse Practitioners in Miami
- Luis Curbelo Cunill, FNP, APRN
- Baudelair Sainvil, ARNP
- Ardo Alvarez Elizundia, APRN
- Ibelis Calvi, APRN
- Alberto Lopez, RN
- Yvonne Schwartz
Mailing Address
1120 Nw 14 Street, 11th Floor, Dept Of Medicine/division Of Palliative Care
Miami, FL 33136
Phone: 3052431000