DIANA INIGUEZ MERCADO M.D.
NPI 1255543849
Internal Medicine - Infectious Disease in Jacksonville, FL

Q: What is Diana Mercado's NPI number?

The NPI number for Diana Mercado is 1255543849. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Q: What is Diana Mercado's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Diana Mercado was last updated on January 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 04, 2007PECOS EnrolledAccepts Medicare Assignment

820 PRUDENTIAL DR STE 515, JACKSONVILLE, FL 32207(904) 396-4886(904) 390-7487 Get Directions Write a Review

NPPES record last updated: January 13, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Diana Iniguez Mercado M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA INIGUEZ MERCADO M.D. (NPI 1255543849) is an individual infectious disease provider in Jacksonville, Florida, licensed in Florida (ME107426) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Baptist Health Medical Center - Jacksonville, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1255543849

Entity TypeIndividualFemale

Primary Taxonomy207RI0200X

Provider Legal NameDIANA INIGUEZ MERCADOCredential: M.D.

Location Address820 PRUDENTIAL DR STE 515Jacksonville, FL 32207-8207

Mailing AddressPo Box 746638Atlanta, GA 30374-6638 · (904) 202-2092 · Fax (904) 376-4705

Phone(904) 396-4886

Fax(904) 390-7487

Sole ProprietorNo

Medical School CMSOtherGraduated 2002

Enumeration DateMay 4, 2007

Last NPPES UpdateJanuary 13, 2025

NPPES CertifiedJanuary 13, 2025

✔ NPI 1255543849 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in FL · ME107426

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License ME107426 (FL)

820 PRUDENTIAL DR STE 515, Jacksonville, FL 32207

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Other Identifiers 2

Medicaid112309300FL

Other1492CFL · Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AvMed, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Diana Iniguez Mercado M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597957951

PECOS Enrollment IDI20101005000122

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Diana Mercado reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Baptist Primary Care Inc

Same address

Infectious Disease

820 PRUDENTIAL DR, SUITE 515
Jacksonville, FL 32207

Reassigned Medicare billing, Florida enrollment
569 clinicians in this Medicare group

NPI 1588846869 (904) 396-4886

St Vincents Ambulatory Care Inc

1.2 mi

Neurological Surgery

2 SHIRCLIFF WAY, SUITE 600
Jacksonville, FL 32204

Reassigned Medicare billing, Florida enrollment
Medicare enrollment name: St Vincent's Ambulatory Care Inc
544 clinicians in this Medicare group

NPI 1417987124 (904) 308-6769

University Of Florida Jacksonville Physicians Inc

2.1 mi

Neurological Surgery

580 W 8TH ST, UFJP NEUROSURGERY
Jacksonville, FL 32209

Reassigned Medicare billing, Florida enrollment
1,456 clinicians in this Medicare group

NPI 1225298599 (904) 244-3660

First Coast Infectious Disease Consultants LLC

3.8 mi

Infectious Disease

2122 UNIVERSITY BLVD S
Jacksonville, FL 32216

Reassigned Medicare billing, Florida enrollment
31 clinicians in this Medicare group

NPI 1740477843 (904) 398-5614

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

522 services172 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

520 services201 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

232 services209 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

39 services24 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

18 services14 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baptist Health Medical Center - Jacksonville

Acute Care Hospitals · Jacksonville, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100088

Location800 Prudential DrJacksonville, FL 32207 · Duval County

Emergency services Birthing friendly

Baptist Medical Center Beaches

Acute Care Hospitals · Jacksonville Beach, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100117

Location1350 13th Ave SJacksonville Beach, FL 32250 · Duval County

Emergency services Birthing friendly

Baptist Medical Center - Nassau

Acute Care Hospitals · Fernandina Beach, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100140

Location1250 S 18th StFernandina Beach, FL 32034 · Nassau County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32207 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$130.04 typical visit price

range $56.00 – $171.84

Typical copayment $32.51 (range $14.00 – $42.96)

Most-billed visit code 99204

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Breast Cancer Screening

Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer

20%44 patients1/55-star benchmark: 92%

Cervical Cancer Screening

Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…

15%55 patients

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

32%92 patients2/55-star benchmark: 85%

Diabetes: Eye Exam

Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period

21%33 patients1/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

96%217 patients4/55-star benchmark: 99%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

100%84 patients5/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

43%190 patients2/55-star benchmark: 97%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

52%190 patients3/55-star benchmark: 97%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

80%190 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

28%190 patients2/55-star benchmark: 89%

View, Download, or Transmit (VDT)

At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.

41%190 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DENIS DOUGLAS ASIIMWE M.D

Internal Medicine (Infectious Disease)

820 PRUDENTIAL DR STE 515
JACKSONVILLE, FL 32207

Duval County (904) 396-4886

BRANDI E WIGGINS APRN, FNP-C

Nurse Practitioner (Family)

820 PRUDENTIAL DR STE 515
JACKSONVILLE, FL 32207

Duval County (904) 396-4886

JOHN KYAW HAN M.D.

Internal Medicine (Infectious Disease)

820 PRUDENTIAL DR STE 515
JACKSONVILLE, FL 32207

Duval County (904) 396-4886

CATHERINE L. SMITH MD

Internal Medicine (Infectious Disease)

820 PRUDENTIAL DR STE 515
JACKSONVILLE, FL 32207

Duval County (904) 396-4886

ROBERT J CATALLA MD

Internal Medicine (Infectious Disease)

820 PRUDENTIAL DR STE 515, CREDENTIALING DEPARTMENT
JACKSONVILLE, FL 32207

Duval County (904) 396-4886

DR. MAN-KUANG CHANG M.D

Internal Medicine (Infectious Disease)

820 PRUDENTIAL DR STE 515, CREDENTIALING DEPARTMENT
JACKSONVILLE, FL 32207

Duval County (904) 396-4886

SRIVANI SANIKOMMU M.D.

Internal Medicine (Infectious Disease)

820 PRUDENTIAL DR STE 515
JACKSONVILLE, FL 32207

Duval County (904) 396-4886

DR. MATTHEW E GRIFFITH MD

Internal Medicine (Infectious Disease)

820 PRUDENTIAL DR STE 515
JACKSONVILLE, FL 32207

Duval County (904) 396-4886

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Mercado's NPI number?

The NPI number for Diana Mercado is 1255543849. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Where is Diana Mercado located?

Diana Mercado practices at 820 Prudential Dr Ste 515, Jacksonville, FL 32207. The listed phone number is (904) 396-4886.

What is Diana Mercado's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Diana Mercado enrolled in Medicare?

Yes. Diana Mercado is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Diana Mercado's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Mercado reassigns Medicare benefits to 4 organizations: Baptist Primary Care Inc (Jacksonville, FL), St Vincents Ambulatory Care Inc (Jacksonville, FL), University Of Florida Jacksonville Physicians Inc (Jacksonville, FL) and First Coast Infectious Disease Consultants LLC (Jacksonville, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Diana Mercado's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diana Mercado accept?

Health plans from AvMed, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Diana Mercado as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Diana Mercado affiliated with any hospitals?

According to CMS data, Diana Mercado is affiliated with Baptist Health Medical Center - Jacksonville, Baptist Medical Center Beaches and Baptist Medical Center - Nassau.

When was this NPI record last updated?

The NPPES record for Diana Mercado was last updated on January 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.