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WILLIAM JAVIER ROSALES GONZALEZ MD
NPI 1528731098
Family Medicine - Sleep Medicine in Waldorf, MD

Active since July 29, 2021PECOS EnrolledAccepts Medicare Assignment
3575 OLD WASHINGTON RD STE C, WALDORF, MD 20602(301) 638-5500 Get Directions Write a Review

NPPES record last updated: October 17, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 13, 2025, Apr 2, 2024, Jul 29, 2021 (3 updates tracked since 2021).

About William Javier Rosales Gonzalez Md NPPES

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

WILLIAM JAVIER ROSALES GONZALEZ MD (NPI 1528731098) is an individual sleep medicine provider in Waldorf, Maryland, licensed in Maryland (D0104463) and active in the NPI registry since July 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1528731098
Entity TypeIndividualMale
Primary Taxonomy207QS1201X
Provider Legal NameWILLIAM JAVIER ROSALES GONZALEZCredential: MD
Location Address3575 OLD WASHINGTON RD STE CWaldorf, MD 20602-3269
Mailing Address3575 Old Washington Rd Ste CWaldorf, MD 20602-3269 · (301) 638-5500
Phone(301) 638-5500
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateJuly 29, 2021
Last NPPES UpdateOctober 17, 20253 updates tracked since enumeration
NPPES CertifiedOctober 17, 2025
✔ NPI 1528731098 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QS1201X
License✔ Licensed in MD · D0104463
Definition
A Family Medicine Physician who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
3575 OLD WASHINGTON RD STE C, Waldorf, MD 20602
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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

William Javier Rosales Gonzalez 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 ID7719477637
PECOS Enrollment IDI20251107002617
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 20602 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

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

PRIVIA MEDICAL GROUP, LLC
Pain Medicine (Pain Medicine)
3575 OLD WASHINGTON RD STE C
WALDORF, MD 20602
Charles County (301) 638-5500

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 William Rosales Gonzalez's NPI number?

The NPI number for William Rosales Gonzalez is 1528731098. It was assigned to this individual provider in the NPPES registry on July 29, 2021.

Where is William Rosales Gonzalez located?

William Rosales Gonzalez practices at 3575 Old Washington Rd Ste C, Waldorf, MD 20602. The listed phone number is (301) 638-5500.

What is William Rosales Gonzalez's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Sleep Medicine, with taxonomy code 207QS1201X.

Is William Rosales Gonzalez enrolled in Medicare?

Yes. William Rosales Gonzalez 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 William Rosales Gonzalez was last updated on October 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.