Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. APRIL JOHN TAMBAOAN MERCADO NP
NPI 1497409452
Nurse Practitioner in Frederick, MD

Active since February 09, 2022PECOS EnrolledAccepts Medicare Assignment
1562 OPOSSUMTOWN PIKE, FREDERICK, MD 21702(240) 215-6310(240) 566-7754 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 14, 2026, Feb 9, 2022 (2 updates tracked since 2022).

About Mr. April John Tambaoan Mercado Np NPPES

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

MR. APRIL JOHN TAMBAOAN MERCADO NP (NPI 1497409452) is an individual nurse practitioner in Frederick, Maryland, licensed in Maryland (R213903) and active in the NPI registry since February 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1497409452
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameMR. APRIL JOHN TAMBAOAN MERCADOCredential: NP
Location Address1562 OPOSSUMTOWN PIKEFrederick, MD 21702-4337
Mailing Address1 Frederick Health WayFrederick, MD 21701-9435
Fax(240) 566-7754
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateFebruary 9, 2022
Last NPPES UpdateJuly 14, 20262 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
NPI 1497409452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in MD · R213903
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
1562 OPOSSUMTOWN PIKE, Frederick, MD 21702

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

Mr. April John Tambaoan Mercado 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 ID5496149833
PECOS Enrollment IDI20240122002310
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 21702 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
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
Established Patient
$102.11 typical visit price
range $18.66 – $143.02
Typical copayment $25.52 (range $4.66 – $35.75)
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.

Physician Assistant
1562 OPOSSUMTOWN PIKE
FREDERICK, MD 21702
Nurse Practitioner (Acute Care)
1562 OPOSSUMTOWN PIKE
FREDERICK, MD 21702
Internal Medicine (Medical Oncology)
1562 OPOSSUMTOWN PIKE
FREDERICK, MD 21702
Nurse Practitioner (Adult Health)
1562 OPOSSUMTOWN PIKE
FREDERICK, MD 21702
Physical Therapist
1562 OPOSSUMTOWN PIKE
FREDERICK, MD 21702
Dietitian, Registered
1562 OPOSSUMTOWN PIKE
FREDERICK, MD 21702
Physician Assistant
1562 OPOSSUMTOWN PIKE
FREDERICK, MD 21702
Urology
1562 OPOSSUMTOWN PIKE
FREDERICK, MD 21702

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 April John Mercado's NPI number?

The NPI number for April John Mercado is 1497409452. It was assigned to this individual provider in the NPPES registry on February 9, 2022.

Where is April John Mercado located?

April John Mercado practices at 1562 Opossumtown Pike, Frederick, MD 21702. The listed phone number is (240) 215-6310.

What is April John Mercado's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is April John Mercado enrolled in Medicare?

Yes. April John Mercado 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 April John Mercado was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.