DR. ALEXANDER CEZAR CARDENO REYES MD
NPI 1225762909
Internal Medicine in Baltimore, MD

Active since July 10, 2022PECOS EnrolledAccepts Medicare Assignment
900 S CATON AVE, BALTIMORE, MD 21229(667) 234-3120(667) 234-3525 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 30, 2025, Jul 11, 2022, Jul 10, 2022 (3 updates tracked since 2022).

About Dr. Alexander Cezar Cardeno Reyes Md NPPES

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

DR. ALEXANDER CEZAR CARDENO REYES MD (NPI 1225762909) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0102054) and active in the NPI registry since July 2022. He is enrolled in Medicare PECOS, is affiliated with Saint Agnes Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1225762909
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALEXANDER CEZAR CARDENO REYESCredential: MD
Location Address900 S CATON AVEBaltimore, MD 21229-5201
Mailing Address900 S Caton AveBaltimore, MD 21229-5201 · (667) 234-3120 · Fax (667) 234-3525
Fax(667) 234-3525
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJuly 10, 2022
Last NPPES UpdateJune 30, 20253 updates tracked since enumeration
NPPES CertifiedJune 30, 2025
NPI 1225762909 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MD · D0102054
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.

900 S CATON AVE, Baltimore, MD 21229

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. Alexander Cezar Cardeno Reyes 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 ID7517485386
PECOS Enrollment IDI20250515001173
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.

Hospital Affiliations CMS Care Compare

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

Saint Agnes Hospital

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210011
Location900 Caton AvenueBaltimore, MD 21229 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21229 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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 20

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

Nurse Anesthetist, Certified Registered
900 S CATON AVE
BALTIMORE, MD 21229
Internal Medicine
900 S CATON AVE
BALTIMORE, MD 21229
Social Worker (Clinical)
900 S CATON AVE
BALTIMORE, MD 21229
Student in an Organized Health Care Education/Training Program
900 S CATON AVE
BALTIMORE, MD 21229
Physician Assistant
900 S CATON AVE
BALTIMORE, MD 21229
Student in an Organized Health Care Education/Training Program
900 S CATON AVE
BALTIMORE, MD 21229
Student in an Organized Health Care Education/Training Program
900 S CATON AVE
BALTIMORE, MD 21229
Student in an Organized Health Care Education/Training Program
900 S CATON AVE
BALTIMORE, MD 21229

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 Alexander Cezar Reyes's NPI number?

The NPI number for Alexander Cezar Reyes is 1225762909. It was assigned to this individual provider in the NPPES registry on July 10, 2022.

Where is Alexander Cezar Reyes located?

Alexander Cezar Reyes practices at 900 S Caton Ave, Baltimore, MD 21229. The listed phone number is (667) 234-3120.

What is Alexander Cezar Reyes's specialty?

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

Is Alexander Cezar Reyes enrolled in Medicare?

Yes. Alexander Cezar Reyes 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 Alexander Cezar Reyes affiliated with any hospitals?

According to CMS data, Alexander Cezar Reyes is affiliated with Saint Agnes Hospital.

When was this NPI record last updated?

The NPPES record for Alexander Cezar Reyes was last updated on June 30, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.