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DR. JAMES MICHAEL BRYAN-DIAZ M.D.
NPI 1932413499
Internal Medicine in San Juan, PR

Active since July 27, 2010PECOS EnrolledAccepts Medicare Assignment
AVE. PONCE DE LEON #735, TORRE MEDICA AUXILIO MUTUO, SUITE 207, SAN JUAN, PR 00917(787) 767-0655 Get Directions Write a Review

NPPES record last updated: August 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 8, 2025, Nov 16, 2023 (2 updates tracked since 2023).

About Dr. James Michael Bryan-diaz M.d. NPPES

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

DR. JAMES MICHAEL BRYAN-DIAZ M.D. (NPI 1932413499) is an individual internal medicine provider in San Juan, Puerto Rico, licensed in Puerto Rico (20743) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Auxilio Mutuo Hospital, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1932413499
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JAMES MICHAEL BRYAN-DIAZCredential: M.D.
Location AddressAVE. PONCE DE LEON #735, TORRE MEDICA AUXILIO MUTUO, SUITE 207San Juan, PR 00917
Mailing AddressPo Box 365062San Juan, PR 00936-5062 · (787) 767-0655
Phone(787) 767-0655
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateJuly 27, 2010
Last NPPES UpdateAugust 8, 20252 updates tracked since enumeration
NPPES CertifiedAugust 8, 2025
✔ NPI 1932413499 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 · 20743
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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James Michael Bryan-diaz 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 ID5496989295
PECOS Enrollment IDI20131010000679
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 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.

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.
124 services54 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.
60 services13 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
35 services35 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.
16 services11 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
12 services12 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Auxilio Mutuo Hospital

Acute Care Hospitals · San Juan, PR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number400016
LocationPonce De Leon Avenue 735 Stop 37 1/2San Juan, PR 00918 · San Juan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00917 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers16 claims16 services$58.25 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.

J.R.A.GASTROENTEROLOGY
Internal Medicine (Gastroenterology)
AVE. PONCE DE LEON #735, TORRE MEDICA AUXILIO MUTUO SUITE #816
SAN JUAN, PR 00917
San Juan Municipio (787) 765-1025
WILLIAM A. TOWNSEND PICO PSC
Clinic/Center (Ophthalmologic Surgery)
AVE. PONCE DE LEON #735, TORRE AUXILIO MUTUO SUITE 502
SAN JUAN, PR 00917
San Juan Municipio (787) 296-0870
LUIS JAVIER SANTOS REYES M.D.
Obstetrics & Gynecology (Gynecologic Oncology)
AVE. PONCE DE LEON #735, HOSP. AUXILIO MUTUO, CENTRO DE CANCER
HATO REY, PR 00917
San Juan Municipio (787) 758-2000

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 James Bryan-diaz's NPI number?

The NPI number for James Bryan-diaz is 1932413499. It was assigned to this individual provider in the NPPES registry on July 27, 2010.

Where is James Bryan-diaz located?

James Bryan-diaz practices at Ave. Ponce De Leon #735 Torre Medica Auxilio Mutuo, Suite 207, San Juan, PR 00917. The listed phone number is (787) 767-0655.

What is James Bryan-diaz's specialty?

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

Is James Bryan-diaz enrolled in Medicare?

Yes. James Bryan-diaz 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.

Is James Bryan-diaz affiliated with any hospitals?

According to CMS data, James Bryan-diaz is affiliated with Auxilio Mutuo Hospital.

When was this NPI record last updated?

The NPPES record for James Bryan-diaz was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.