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MELVIN DIAZ
NPI 1093586323
Physician Assistant in Baltimore, MD

Active since January 15, 2024PECOS Enrolled
1800 ORLEANS ST, BALTIMORE, MD 21287(410) 955-5000 Get Directions Write a Review

NPPES record last updated: January 15, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Melvin Diaz NPPES

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

MELVIN DIAZ (NPI 1093586323) is an individual physician assistant in Baltimore, Maryland and active in the NPI registry since January 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093586323
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMELVIN DIAZ
Location Address1800 ORLEANS STBaltimore, MD 21287-0010
Mailing Address2011 Chapel RdHavre De Grace, MD 21078-1813
Phone(410) 955-5000
Sole ProprietorYes
Enumeration DateJanuary 15, 2024
NPPES CertifiedJanuary 15, 2024
✔ NPI 1093586323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1800 ORLEANS ST, Baltimore, MD 21287
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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 (PECOS)

Melvin Diaz is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 21287 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
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
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.

KATHRYN ROSENBLATT M.D.
Anesthesiology
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-7461
DR. CARMEL BOGLE M.D.
Pediatrics
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (443) 287-0526
MIAN MOHAMMAD BILAL KHALID MD
Internal Medicine (Gastroenterology)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
SPENCER WILSON
Surgery (Trauma Surgery)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 933-6423
EVAN FOX
Radiology (Neuroradiology)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
ADAM ROBERT BUSSELLS
Physician Assistant
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
DR. SARAH WALSER MD
Student in an Organized Health Care Education/Training Program
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (484) 883-6433
LYNN DESROSIERS FNP-C
Nurse Practitioner (Family)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-2800

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 Melvin Diaz's NPI number?

The NPI number for Melvin Diaz is 1093586323. It was assigned to this individual provider in the NPPES registry on January 15, 2024.

Where is Melvin Diaz located?

Melvin Diaz practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.

What is Melvin Diaz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Melvin Diaz enrolled in Medicare?

Yes. Melvin Diaz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Melvin Diaz was last updated on January 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.