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DR. JUAN MARCOS CHAVEZ PAZ M.D.
NPI 1104003607
Internal Medicine - Pulmonary Disease in Mcallen, TX

Active since January 28, 2008PECOS EnrolledAccepts Medicare Assignment
5300 N G ST STE 110, MCALLEN, TX 78504(956) 540-9766 Get Directions Write a Review

NPPES record last updated: May 1, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 1, 2026, Mar 22, 2023, Dec 21, 2022 and 2 more (5 updates tracked since 2021).

About Dr. Juan Marcos Chavez Paz M.d. NPPES

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

DR. JUAN MARCOS CHAVEZ PAZ M.D. (NPI 1104003607) is an individual pulmonary disease provider in Mcallen, Texas, licensed in Texas (N8629) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Mission Regional Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1104003607
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. JUAN MARCOS CHAVEZ PAZCredential: M.D.
Location Address5300 N G ST STE 110Mcallen, TX 78504-6550
Mailing Address1112 E Griffin Pkwy Ste DMission, TX 78572-2408 · (956) 450-3093 · Fax (956) 631-9822
Phone(956) 540-9766
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateJanuary 28, 2008
Last NPPES UpdateMay 1, 20265 updates tracked since enumeration
NPPES CertifiedMay 1, 2026
✔ NPI 1104003607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in TX · N8629
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 125048900 (IL)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License N8629 (TX)
5300 N G ST STE 110, Mcallen, TX 78504
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Secondary Practice Locations 2

Location 15501 S McColl RdEdinburg, TX 78539-9152 · Phone (956) 362-8677 · Fax (956) 362-7253
Location 21112 E Griffin Pkwy Ste DMission, TX 78572-2408 · Phone (956) 450-3093 · Fax (956) 631-9822

Other Identifiers 1

Medicaid282294201TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Juan Marcos Chavez Paz 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 ID4587832035
PECOS Enrollment IDI20110727000690
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.

Areas of Expertise CMS Part B claims 7

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
246 services108 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.
74 services41 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.
46 services33 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.
46 services45 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
16 services16 patients
Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Mission Regional Medical Center

Acute Care Hospitals · Mission, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450176
Location900 South Bryan RoadMission, TX 78572 · Hidalgo County
Birthing friendly

Doctors Hosptal At Renaissance

Acute Care Hospitals · Edinburg, TX
3/5 CMS rating
OwnershipPhysician
CMS Certification Number450869
Location5501 South MccollEdinburg, TX 78539 · Hidalgo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78504 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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

Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
100%107 patients5/55-star benchmark: 100%
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…
100%149 patients5/55-star benchmark: 100%
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers42 claims42 services$13.68 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers73 claims73 services$64.87 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers27 claims28 services$29.48 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

DR. JOSE FEDERICO VALLEJO-MANZUR M.D.
Internal Medicine (Pulmonary Disease)
5300 N G ST STE 110
MCALLEN, TX 78504
Hidalgo County (956) 540-9766
DR. ANTONIO DEGORORDO ARZAMENDI M.D.
Internal Medicine (Pulmonary Disease)
5300 N G ST STE 110
MCALLEN, TX 78504
Hidalgo County (956) 450-3093
DR. JUAN PABLO SARMIENTO M.D.
Internal Medicine (Pulmonary Disease)
5300 N G ST STE 110
MCALLEN, TX 78504
Hidalgo County (956) 540-9766

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 Juan Chavez Paz's NPI number?

The NPI number for Juan Chavez Paz is 1104003607. It was assigned to this individual provider in the NPPES registry on January 28, 2008.

Where is Juan Chavez Paz located?

Juan Chavez Paz practices at 5300 N G St Ste 110, Mcallen, TX 78504. The listed phone number is (956) 540-9766.

What is Juan Chavez Paz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Juan Chavez Paz enrolled in Medicare?

Yes. Juan Chavez Paz 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.

What insurance does Juan Chavez Paz accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Juan Chavez Paz 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 Juan Chavez Paz affiliated with any hospitals?

According to CMS data, Juan Chavez Paz is affiliated with Mission Regional Medical Center and Doctors Hosptal At Renaissance.

When was this NPI record last updated?

The NPPES record for Juan Chavez Paz was last updated on May 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.