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DR. JOSEPH FRANCIS WALLACE III D.D.S.
NPI 1255421012
Dentist - Oral and Maxillofacial Surgery in Greenwich, CT

Active since October 13, 2006Opted out of Medicare · through Jan 1, 2027
23 MAPLE AVE, GREENWICH, CT 06830(203) 661-5858(203) 661-1159 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Joseph Francis Wallace Iii D.d.s. NPPES

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

DR. JOSEPH FRANCIS WALLACE III D.D.S. (NPI 1255421012) is an individual oral and maxillofacial surgery provider in Greenwich, Connecticut, licensed in Connecticut (7023) and active in the NPI registry since October 2006. He has opted out of Medicare through January 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1255421012
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameDR. JOSEPH FRANCIS WALLACE IIICredential: D.D.S.
Location Address23 MAPLE AVEGreenwich, CT 06830-5620
Mailing Address23 Maple AveGreenwich, CT 06830-5620 · (203) 661-5858 · Fax (203) 661-1159
Phone(203) 661-5858
Fax(203) 661-1159
Sole ProprietorNo
Enumeration DateOctober 13, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1255421012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
Licenses✔ Licensed in CT · 7023✔ Licensed in NY · 040760
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
23 MAPLE AVE, Greenwich, CT 06830
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINT22414CT
Medicare ID-Type UnspecifiedD67912NY

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. Joseph Francis Wallace Iii D.d.s. 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 January 1, 2019 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2019
Opt-Out In Effect ThroughJanuary 1, 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 06830 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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 5

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

DR. MICHAEL FORMAN D.M.D. , M.D.
Dentist (Oral and Maxillofacial Surgery)
23 MAPLE AVE
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 661-5858
GREENWICH ORAL AND MAXILLOFACIAL SURGERY ASSOCIATES, P.C.
Dentist (Oral and Maxillofacial Surgery)
23 MAPLE AVE
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 661-5858
JAMES P ORPHANOS
Clinic/Center (Primary Care)
23 MAPLE AVE
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 869-0451
SILVI GEORGE NP-C
Nurse Practitioner (Family)
23 MAPLE AVE
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 869-0451
MAIA B WEED APRN
Nurse Practitioner (Adult Health)
23 MAPLE AVE
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 869-0451

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 Joseph Wallace's NPI number?

The NPI number for Joseph Wallace is 1255421012. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Joseph Wallace located?

Joseph Wallace practices at 23 Maple Ave, Greenwich, CT 06830. The listed phone number is (203) 661-5858.

What is Joseph Wallace's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Is Joseph Wallace enrolled in Medicare?

No. Joseph Wallace has opted out of Medicare through January 1, 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.

When was this NPI record last updated?

The NPPES record for Joseph Wallace 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.