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JOHN HENRY MASI DMD
NPI 1437686862
Dentist - Oral and Maxillofacial Surgery in Philadelphia, PA

Active since May 16, 2017PECOS EnrolledAccepts Medicare Assignment
909 WALNUT ST RM 300, PHILADELPHIA, PA 19107(215) 503-7118(215) 923-9189 Get Directions Write a Review

NPPES record last updated: April 3, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 3, 2021, May 16, 2017 (2 updates tracked since 2017).

About John Henry Masi Dmd NPPES

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

JOHN HENRY MASI DMD (NPI 1437686862) is an individual oral and maxillofacial surgery provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (DS041293) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1437686862
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameJOHN HENRY MASICredential: DMD
Location Address909 WALNUT ST RM 300Philadelphia, PA 19107-5211
Mailing Address515 S 16th St Apt BPhiladelphia, PA 19146-1645 · (856) 313-6637
Phone(215) 503-7118
Fax(215) 923-9189
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 16, 2017
Last NPPES UpdateApril 3, 20212 updates tracked since enumeration
NPPES CertifiedApril 3, 2021
✔ NPI 1437686862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in PA · DS041293
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.
909 WALNUT ST RM 300, Philadelphia, PA 19107
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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, Humana.Insurance ›

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

John Henry Masi Dmd 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 ID3173892247
PECOS Enrollment IDI20231110000060
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19107 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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
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 13

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

DR. AUSTIN ROBERT HALE DDS
Oral & Maxillofacial Surgery
909 WALNUT ST RM 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 503-6215
YU JIN LEE DMD
Student in an Organized Health Care Education/Training Program
909 WALNUT ST RM 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 503-6215
RAMTIN RAHBARI
Dentist
909 WALNUT ST RM 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6215
SARA SUPRIYATNO DDS
Student in an Organized Health Care Education/Training Program
909 WALNUT ST RM 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 503-7118
DAKOTA LAWTON MCKENZIE DDS
Dentist (Oral and Maxillofacial Surgery)
909 WALNUT ST RM 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 503-6215
DR. GABRIELLA MERCEDES LO MONACO
Student in an Organized Health Care Education/Training Program
909 WALNUT ST RM 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 503-7118
DR. CHRISTOPHER LOUIS HACKETT DDS
Student in an Organized Health Care Education/Training Program
909 WALNUT ST RM 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 503-6215
DR. AMELIA BRYNNE WILSON DMD
Student in an Organized Health Care Education/Training Program
909 WALNUT ST RM 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 503-6215

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 John Masi's NPI number?

The NPI number for John Masi is 1437686862. It was assigned to this individual provider in the NPPES registry on May 16, 2017.

Where is John Masi located?

John Masi practices at 909 Walnut St Rm 300, Philadelphia, PA 19107. The listed phone number is (215) 503-7118.

What is John Masi's specialty?

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

Is John Masi enrolled in Medicare?

Yes. John Masi 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.

What insurance does John Masi accept?

Health plans from Anthem Blue Cross and Blue Shield and Humana list John Masi 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 John Masi was last updated on April 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.