Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

OSCAR MARTINEZ LOPEZ M.D.
NPI 1104104264
Internal Medicine - Infectious Disease in Stuart, FL

Q: What is Oscar Martinez Lopez's NPI number?

The NPI number for Oscar Martinez Lopez is 1104104264. It was assigned to this individual provider in the NPPES registry on July 23, 2011.

Q: What is Oscar Martinez Lopez's specialty?

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

Active since July 23, 2011PECOS EnrolledAccepts Medicare Assignment

800 SE OCEAN BLVD STE A, STUART, FL 34994(216) 778-0423(216) 548-4735 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, May 16, 2019 (2 updates tracked since 2019).

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About Oscar Martinez Lopez M.d. NPPES

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

OSCAR MARTINEZ LOPEZ M.D. (NPI 1104104264) is an individual infectious disease provider in Stuart, Florida, licensed in Florida (ME119592) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Martin North Hospital, and maintains a secondary practice location in Cleveland.

NPPES Registry Identity

NPI1104104264

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameOSCAR MARTINEZ LOPEZCredential: M.D.

Location Address800 SE OCEAN BLVD STE AStuart, FL 34994-2448

Mailing Address800 Se Ocean Blvd Ste AStuart, FL 34994-2448 · (772) 335-4234 · Fax (772) 335-4236

Phone(216) 778-0423

Fax(216) 548-4735

Sole ProprietorYes

Medical School CMSOtherGraduated 2009

Enumeration DateJuly 23, 2011

Last NPPES UpdateOctober 5, 20262 updates tracked since enumeration

NPPES CertifiedOctober 5, 2026

✔ NPI 1104104264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in FL · ME119592

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 57018996 (OH)

Also ListedHospitalistTaxonomy 208M00000X · License ME0119592 (FL)

800 SE OCEAN BLVD STE A, Stuart, FL 34994

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Secondary Practice Location 1

Location 118101 Lorain AveCleveland, OH 44111-5612 · Phone (216) 476-7029 · Fax (216) 476-2944

Other Identifiers 1

OtherME119592FL · Medical License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and more.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

Oscar Martinez Lopez 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 ID1254558067

PECOS Enrollment IDI20140818002015

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 Oscar Martinez Lopez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Associates In Infectious Diseases

6.9 mi

Infectious Disease

1801 SE HILLMOOR DR, STE C 207
Port St Lucie, FL 34952

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

NPI 1336156934 (772) 335-4234

Midway Specialty Care Center Inc

13 mi

Infectious Disease

356 E MIDWAY RD
Fort Pierce, FL 34982

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

NPI 1376970814 (772) 464-9746

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 8

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 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.

447 services212 patients

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.

320 services193 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.

239 services227 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.

158 services70 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

19 services19 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

19 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Cleveland Clinic Martin North Hospital

Acute Care Hospitals · Stuart, FL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100044

Location200 SE Hospital AveStuart, FL 34994 · Martin County

Emergency services Birthing friendly

Hca Florida Lawnwood Hospital

Acute Care Hospitals · Fort Pierce, FL

1/5 CMS rating

OwnershipProprietary

CMS Certification Number100246

Location1700 S 23rd StFort Pierce, FL 34950 · St. Lucie County

Emergency services Birthing friendly

St Lucie Medical Center

Acute Care Hospitals · Port Saint Lucie, FL

1/5 CMS rating

OwnershipProprietary

CMS Certification Number100260

Location1800 SE Tiffany AvePort Saint Lucie, FL 34952 · St. Lucie County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34994 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

$135.56 typical visit price

range $58.56 – $179.05

Typical copayment $33.89 (range $14.64 – $44.76)

Most-billed visit code 99204

Established Patient

$103.21 typical visit price

range $18.44 – $144.68

Typical copayment $25.80 (range $4.61 – $36.17)

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.

Other Providers at the Same Location NPPES 2

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

DR. JULIE K PEARSON DC, BS

Chiropractor

800 SE OCEAN BLVD STE A
STUART, FL 34994

Martin County (772) 600-8338

PORT SAINT LUCIE INFECTIOUS DISEASES LLC

Internal Medicine (Infectious Disease)

800 SE OCEAN BLVD STE A
STUART, FL 34994

Martin County (216) 778-0423

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 Oscar Martinez Lopez's NPI number?

The NPI number for Oscar Martinez Lopez is 1104104264. It was assigned to this individual provider in the NPPES registry on July 23, 2011.

Where is Oscar Martinez Lopez located?

Oscar Martinez Lopez practices at 800 SE Ocean Blvd Ste A, Stuart, FL 34994. The listed phone number is (216) 778-0423.

What is Oscar Martinez Lopez's specialty?

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

Is Oscar Martinez Lopez enrolled in Medicare?

Yes. Oscar Martinez Lopez 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 Oscar Martinez Lopez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oscar Martinez Lopez reassigns Medicare benefits to 2 organizations: Associates In Infectious Diseases (Port St Lucie, FL) and Midway Specialty Care Center Inc (Fort Pierce, 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 Oscar Martinez Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Oscar Martinez Lopez accept?

Health plans from AmeriHealth Caritas Next, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Oscar Health Maintenance Organization of Florida and Wellpoint list Oscar Martinez Lopez 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 Oscar Martinez Lopez affiliated with any hospitals?

According to CMS data, Oscar Martinez Lopez is affiliated with Cleveland Clinic Martin North Hospital, Hca Florida Lawnwood Hospital and St Lucie Medical Center.

When was this NPI record last updated?

The NPPES record for Oscar Martinez Lopez was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.