DR. JAMES L MASTRICH JR. ED.D. - NPI 1649392671

Q: What is James Mastrich's NPI number?

The NPI number for James Mastrich is 1649392671. It was assigned to this individual provider in the NPPES registry on April 3, 2007.

Q: What is James Mastrich's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: Is James Mastrich enrolled in Medicare?

No. James Mastrich 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.

Q: When was this NPI record last updated?

The NPPES record for James Mastrich was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

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About Dr. James L Mastrich Jr. Ed.d. NPPES

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

DR. JAMES L MASTRICH JR. ED.D. (NPI 1649392671) is an individual addiction (substance use disorder) provider in Kingston, New Jersey, licensed in New Jersey (35SI00223800) and active in the NPI registry since April 2007. He has opted out of Medicare through January 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1649392671

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameDR. JAMES L MASTRICH JR.Credential: ED.D.

Location Address4475 ROUTE 27Kingston, NJ 08528-9601

Mailing Address4475 Route 27Kingston, NJ 08528-9601 · (609) 921-3665 · Fax (609) 397-1971

Phone(609) 921-3665

Fax(609) 397-1971

Sole ProprietorYes

Enumeration DateApril 3, 2007

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1649392671 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 7

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in NJ · 35SI00223800

Also ListedPsychologistTaxonomy 103T00000X · License 35SI00223800 (NJ)

Also ListedPsychologist · Addiction (Substance Use Disorder)Taxonomy 103TA0400X · License 35SI00223800 (NJ)

Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X · License 35SI00223800 (NJ)

Also ListedPsychologist · CounselingTaxonomy 103TC1900X · License 35SI00223800 (NJ)

Also ListedPsychologist · Exercise & SportsTaxonomy 103TE1100X · License 35SI00223800 (NJ)

Also ListedPsychologist · Group PsychotherapyTaxonomy 103TP2701X · License 35SI00223800 (NJ)

4475 ROUTE 27, Kingston, NJ 08528

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Dr. James L Mastrich Jr. Ed.d. 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, 2011 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2011

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.

Other Providers at the Same Location NPPES 6

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

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