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DR. STEPHEN B MASTELLA DMD
NPI 1144248139
Dentist - General Practice in Baltimore, MD

Active since July 17, 2006Opted out of Medicare · through Jun 23, 2027
1030 N CHARLES ST, SUITE 302, BALTIMORE, MD 21201(410) 685-2850(410) 685-4086 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Stephen B Mastella Dmd NPPES

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

DR. STEPHEN B MASTELLA DMD (NPI 1144248139) is an individual general practice provider in Baltimore, Maryland, licensed in Maryland (9384) and active in the NPI registry since July 2006. He has opted out of Medicare through June 23, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1144248139
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. STEPHEN B MASTELLACredential: DMD
Location Address1030 N CHARLES ST, SUITE 302Baltimore, MD 21201-5402
Mailing Address1030 N Charles St, Suite 302Baltimore, MD 21201-5402 · (410) 685-2850 · Fax (410) 685-4086
Phone(410) 685-2850
Fax(410) 685-4086
Sole ProprietorNo
Enumeration DateJuly 17, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1144248139 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in MD · 9384
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
1030 N CHARLES ST, Baltimore, MD 21201
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Stephen B Mastella Dmd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from June 23, 2015 through June 23, 2027.

Opt-Out Effective DateJune 23, 2015
Opt-Out In Effect ThroughJune 23, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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
$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 2

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

STEPHEN B MASTELLA,DMD &ASSOCIATES, PA
Dentist
1030 N CHARLES ST, SUITE 302
BALTIMORE, MD 21201
Baltimore City (410) 685-2850
HEALTHCARE IMAGING, LLC
Radiology (Diagnostic Radiology)
1030 N CHARLES ST
BALTIMORE, MD 21201
Baltimore City (410) 746-1912

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 Stephen Mastella's NPI number?

The NPI number for Stephen Mastella is 1144248139. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Stephen Mastella located?

Stephen Mastella practices at 1030 N Charles St Suite 302, Baltimore, MD 21201. The listed phone number is (410) 685-2850.

What is Stephen Mastella's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Stephen Mastella enrolled in Medicare?

No. Stephen Mastella has opted out of Medicare through June 23, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Stephen Mastella accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 3 other insurers list Stephen Mastella as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephen Mastella was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.