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SERGIO ARELLANO-AYALA NP
NPI 1891328779
Nurse Practitioner - Acute Care in Baltimore, MD

Active since February 19, 2020PECOS EnrolledAccepts Medicare Assignment
22 S GREENE ST # S4D03, BALTIMORE, MD 21201(410) 328-5831 Get Directions Write a Review

NPPES record last updated: February 19, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Sergio Arellano-ayala Np NPPES

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

SERGIO ARELLANO-AYALA NP (NPI 1891328779) is an individual acute care provider in Baltimore, Maryland, licensed in Texas (AP144156) and active in the NPI registry since February 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1891328779
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameSERGIO ARELLANO-AYALACredential: NP
Location Address22 S GREENE ST # S4D03Baltimore, MD 21201-1544
Mailing Address22 S Greene St # S4d03Baltimore, MD 21201-1544 · (410) 328-5831
Phone(410) 328-5831
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateFebruary 19, 2020
✔ NPI 1891328779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in TX · AP144156
22 S GREENE ST # S4D03, Baltimore, MD 21201
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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

Sergio Arellano-ayala Np 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 ID2668893272
PECOS Enrollment IDI20260604000804
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21201 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
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.

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 Sergio Arellano-ayala's NPI number?

The NPI number for Sergio Arellano-ayala is 1891328779. It was assigned to this individual provider in the NPPES registry on February 19, 2020.

Where is Sergio Arellano-ayala located?

Sergio Arellano-ayala practices at 22 S Greene St # S4d03, Baltimore, MD 21201. The listed phone number is (410) 328-5831.

What is Sergio Arellano-ayala's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Sergio Arellano-ayala enrolled in Medicare?

Yes. Sergio Arellano-ayala 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.

When was this NPI record last updated?

The NPPES record for Sergio Arellano-ayala was last updated on February 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.