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DR. ERNESTO A MUNOZ GUADALUPE MD
NPI 1376104836
Internal Medicine in San Juan, PR

Active since June 25, 2019PECOS EnrolledAccepts Medicare Assignment
29 CALLE WASHINGTON STE 208B, SAN JUAN, PR 00907(787) 721-4836(787) 721-8448 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 14, 2026, Jan 27, 2023, Dec 2, 2020 (3 updates tracked since 2020).

About Dr. Ernesto A Munoz Guadalupe Md NPPES

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

DR. ERNESTO A MUNOZ GUADALUPE MD (NPI 1376104836) is an individual internal medicine provider in San Juan, Puerto Rico, licensed in Puerto Rico (22512) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Presbyterian Community Hosp, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1376104836
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ERNESTO A MUNOZ GUADALUPECredential: MD
Location Address29 CALLE WASHINGTON STE 208BSan Juan, PR 00907-1561
Mailing Address29 Calle Washington Ste 208bSan Juan, PR 00907-1561 · (787) 721-4836 · Fax (787) 721-8448
Phone(787) 721-4836
Fax(787) 721-8448
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 25, 2019
Last NPPES UpdateJanuary 14, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2026
✔ NPI 1376104836 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PR · 22512
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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

Dr. Ernesto A Munoz Guadalupe Md 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 ID3971970039
PECOS Enrollment IDI20221102000000
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 Reassignment

Medicare enrollment records show Ernesto Munoz Guadalupe reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Munoz Internal Medicine Services C.S.P.
Internal Medicine
29 CALLE WASHINGTON STE 208B
San Juan, PR 00907
  • Reassigned Medicare billing, Puerto Rico enrollment
  • Medicare enrollment name: Munoz Internal Medicine Services Csp
  • 2 clinicians in this Medicare group
NPI 1619630613 (787) 721-4836

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 2

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.
115 services23 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
17 services15 patients

Hospital Affiliations CMS Care Compare

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

Presbyterian Community Hosp

Acute Care Hospitals · San Juan, PR
OwnershipVoluntary non-profit - Private
CMS Certification Number400001
Location1451 Ashford AvenueSan Juan, PR 00907 · San Juan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00907 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
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
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

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

MUNOZ INTERNAL MEDICINE SERVICES C.S.P.
Internal Medicine
29 CALLE WASHINGTON STE 208B
SAN JUAN, PR 00907
San Juan Municipio (787) 721-4836

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 Ernesto Munoz Guadalupe's NPI number?

The NPI number for Ernesto Munoz Guadalupe is 1376104836. It was assigned to this individual provider in the NPPES registry on June 25, 2019.

Where is Ernesto Munoz Guadalupe located?

Ernesto Munoz Guadalupe practices at 29 Calle Washington Ste 208B, San Juan, PR 00907. The listed phone number is (787) 721-4836.

What is Ernesto Munoz Guadalupe's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ernesto Munoz Guadalupe enrolled in Medicare?

Yes. Ernesto Munoz Guadalupe 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 organization bills Medicare for Ernesto Munoz Guadalupe's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ernesto Munoz Guadalupe reassigns Medicare benefits to Munoz Internal Medicine Services C.S.P. (San Juan, PR). The 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 Ernesto Munoz Guadalupe's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ernesto Munoz Guadalupe affiliated with any hospitals?

According to CMS data, Ernesto Munoz Guadalupe is affiliated with Presbyterian Community Hosp.

When was this NPI record last updated?

The NPPES record for Ernesto Munoz Guadalupe was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.