Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JASON ALEXANDER PAPACONSTANDINOU MD
NPI 1518525641
Psychiatry & Neurology - Psychiatry in Modesto, CA

Q: What is Jason Papaconstandinou's NPI number?

The NPI number for Jason Papaconstandinou is 1518525641. It was assigned to this individual provider in the NPPES registry on June 4, 2019.

Q: What is Jason Papaconstandinou's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since June 04, 2019PECOS EnrolledAccepts Medicare Assignment

1225 OAKDALE RD, MODESTO, CA 95355(517) 278-2129 Get Directions Write a Review

NPPES record last updated: September 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 21, 2026, Sep 6, 2024, Jul 21, 2021 and 1 more (4 updates tracked since 2019).

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About Dr. Jason Alexander Papaconstandinou Md NPPES

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

DR. JASON ALEXANDER PAPACONSTANDINOU MD (NPI 1518525641) is an individual psychiatry provider in Modesto, California, licensed in Michigan (4301507568) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Coldwater, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1518525641

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. JASON ALEXANDER PAPACONSTANDINOUCredential: MD

Location Address1225 OAKDALE RDModesto, CA 95355-3357

Mailing Address1225 Oakdale RdModesto, CA 95355-3357 · (517) 278-2129

Phone(517) 278-2129

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateJune 4, 2019

Last NPPES UpdateSeptember 21, 20264 updates tracked since enumeration

NPPES CertifiedSeptember 21, 2026

✔ NPI 1518525641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in MI · 4301507568

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

1225 OAKDALE RD, Modesto, CA 95355

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Secondary Practice Location 1

Location 1200 Vista DrColdwater, MI 49036-1776 · Phone (517) 278-2129

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jason Alexander Papaconstandinou Md 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 ID6800260993

PECOS Enrollment IDI20230312000015

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.

Medicare Billing Reassignment

Medicare enrollment records show Jason Papaconstandinou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Branch County Community Mental Health Authority

1,923 mi

Mental Health

200 VISTA DR
Coldwater, MI 49036

Reassigned Medicare billing, Michigan enrollment
19 clinicians in this Medicare group

NPI 1861430381 (517) 278-2129

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95355 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

$176.60 typical visit price

range $58.87 – $176.60

Typical copayment $44.15 (range $14.71 – $44.15)

Most-billed visit code 99205

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

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 20

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

NAY LINN

Internal Medicine