MELISSA INEZ MASON CRNP
NPI 1912496068
Nurse Practitioner - Gerontology in Baltimore, MD

Active since May 04, 2018PECOS Enrolled
601 N CAROLINE ST, BALTIMORE, MD 21287(251) 401-4697 Get Directions Write a Review

NPPES record last updated: November 19, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 19, 2018, May 4, 2018 (2 updates tracked since 2018).

About Melissa Inez Mason Crnp NPPES

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

MELISSA INEZ MASON CRNP (NPI 1912496068) is an individual gerontology provider in Baltimore, Maryland, licensed in Maryland (R190975) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1912496068
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameMELISSA INEZ MASONCredential: CRNP
Location Address601 N CAROLINE STBaltimore, MD 21287-0006
Mailing Address601 N Caroline StBaltimore, MD 21287-0006 · (251) 401-4697
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMay 4, 2018
Last NPPES UpdateNovember 19, 20182 updates tracked since enumeration
NPI 1912496068 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License Licensed in MD · R190975
Also ListedRegistered Nurse · EmergencyTaxonomy 163WE0003X · License R190975 (MD)
601 N CAROLINE ST, Baltimore, MD 21287

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Melissa Inez Mason Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7911250006
PECOS Enrollment IDI20181018001889
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.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

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
$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.

Internal Medicine (Pulmonary Disease)
601 N CAROLINE ST
BALTIMORE, MD 21287
Radiology (Diagnostic Radiology)
601 N CAROLINE ST
BALTIMORE, MD 21287
Speech-Language Pathologist
601 N CAROLINE ST
BALTIMORE, MD 21287
Dermatology
601 N CAROLINE ST
BALTIMORE, MD 21287
Nurse Practitioner (Adult Health)
601 N CAROLINE ST
BALTIMORE, MD 21287
Physician Assistant (Surgical)
601 N CAROLINE ST, #5263
BALTIMORE, MD 21287
Physician Assistant (Medical)
601 N CAROLINE ST
BALTIMORE, MD 21287
Orthopaedic Surgery (Hand Surgery)
601 N CAROLINE ST, RM 5210
BALTIMORE, MD 21287

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 Melissa Mason's NPI number?

The NPI number for Melissa Mason is 1912496068. It was assigned to this individual provider in the NPPES registry on May 4, 2018.

Where is Melissa Mason located?

Melissa Mason practices at 601 N Caroline St, Baltimore, MD 21287. The listed phone number is (251) 401-4697.

What is Melissa Mason's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Melissa Mason enrolled in Medicare?

Yes. Melissa Mason is registered in the Medicare PECOS enrollment system.

Is Melissa Mason affiliated with any hospitals?

According to CMS data, Melissa Mason is affiliated with Johns Hopkins Hospital, The.

When was this NPI record last updated?

The NPPES record for Melissa Mason was last updated on November 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.