QUARTET MEDICAL GROUP
NPI 1497438428
Psychiatry & Neurology - Psychiatry in Philadelphia, PA

Active since August 08, 2023
1601 MARKET ST STE 1500, PHILADELPHIA, PA 19103(267) 999-9534 Get Directions Write a Review

NPPES record last updated: August 14, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2025, Jan 2, 2025, Apr 17, 2024 and 1 more (4 updates tracked since 2023).

About Quartet Medical Group NPPES

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

QUARTET MEDICAL GROUP (NPI 1497438428) is a healthcare organization registered as a psychiatry in Philadelphia, Pennsylvania and active in the NPI registry since August 2023. The organization maintains a secondary practice location in Nashville and lists Robert Wilson, President, as its authorized official.

NPPES Registry Identity

NPI1497438428
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameQUARTET MEDICAL GROUP
Location Address1601 MARKET ST STE 1500Philadelphia, PA 19103-2352
Mailing Address228 Park Ave S # 36149New York, NY 10003-1502 · (267) 999-9534 · Fax (833) 613-2680
Organization SubpartNo
Authorized OfficialRobert WilsonPresident · (267) 999-9534
Enumeration DateAugust 8, 2023
Last NPPES UpdateAugust 14, 20254 updates tracked since enumeration
NPPES CertifiedAugust 14, 2025
✔ NPI 1497438428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
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.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
1601 MARKET ST STE 1500, Philadelphia, PA 19103

Secondary Practice Location 1

Location 111 Willow St Ste 11Nashville, TN 37210-2356 · Phone (267) 999-9534

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Quartet Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

19

Medicare enrollment records show 19 clinicians reassign Medicare billing to Quartet Medical Group, which bills Medicare for the services they deliver. Of these, 6 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 4

Clinical Social Worker11
Mental Health Counselor5
Nurse Practitioner2
Psychiatry1

Clinicians, nearest first (19)

Mental Health Counselor
NPI 1659034239
1650 MARKET ST STE 3600
Philadelphia, PA 19103
(844) 843-7279
✔ PECOS✔ Accepts Medicare0.1 mi
Clinical Social Worker
NPI 1073064135
100 S JUNIPER ST FL 3
Philadelphia, PA 19107
(833) 258-8498
✔ PECOS✔ Accepts Medicare0.3 mi
Nurse Practitioner
NPI 1669510319
100 S JUNIPER ST FL 3
Philadelphia, PA 19107
(267) 999-9534
✔ PECOS✔ Accepts Medicare0.3 mi
Clinical Social Worker
NPI 1356537294
100 S JUNIPER ST FL 3
Philadelphia, PA 19107
(267) 999-9534
✔ PECOS✔ Accepts Medicare0.3 mi
Clinical Social Worker
NPI 1043768468
100 S JUNIPER ST FL 3
Philadelphia, PA 19107
(267) 999-9534
✔ PECOS✔ Accepts Medicare0.3 mi
Mental Health Counselor
NPI 1487209813
1845 WIDENER PL
Philadelphia, PA 19141
(484) 682-9219
✔ PECOS✔ Accepts Medicare6.4 mi
Mental Health Counselor
NPI 1538868526
82 BUCK RD
Holland, PA 18966
(267) 270-5527
✔ PECOS18 mi
Mental Health Counselor
NPI 1679341556
41 UNIVERSITY DR STE 400
Newtown, PA 18940
(814) 408-0014
✔ PECOS✔ Accepts Medicare23 mi
Clinical Social Worker
NPI 1164006110
3015 LINCOLN HWY
Thorndale, PA 19372
(610) 380-7180
✔ PECOS✔ Accepts Medicare32 mi
Clinical Social Worker
NPI 1184070336
1 GATEWAY CTR STE 2600
Newark, NJ 07102
(267) 999-9534
✔ PECOS✔ Accepts Medicare75 mi
Psychiatry
NPI 1144459124
331 SHAW AVE FL 3
Mckeesport, PA 15132
(412) 675-6927
✔ PECOS✔ Accepts Medicare250 mi
Mental Health Counselor
NPI 1154731123
401 SHADY AVE STE B205-1
Pittsburgh, PA 15206
(412) 512-3756
✔ PECOS254 mi
Clinical Social Worker
NPI 1093108268
1070 OLD NATIONAL PIKE
Fredericktown, PA 15333
(724) 632-6801
✔ PECOS✔ Accepts Medicare256 mi
Clinical Social Worker
NPI 1568157600
2307 W 12TH ST
Erie, PA 16505
(814) 528-5667
✔ PECOS✔ Accepts Medicare299 mi
Clinical Social Worker
NPI 1457481061
555 TOWNER ST
Ypsilanti, MI 48198
(734) 544-6820
✔ PECOS✔ Accepts Medicare467 mi
Nurse Practitioner
NPI 1194356600
70 WOODFIN PL STE WW3B
Asheville, NC 28801
(850) 495-9915
✔ PECOS503 mi
Clinical Social Worker
NPI 1740619287
1035 W WASHINGTON AVE
Alpena, MI 49707
(517) 381-8000
✔ PECOS✔ Accepts Medicare550 mi
Clinical Social Worker
NPI 1679683924
2925 CHICAGO AVE
Minneapolis, MN 55407
(866) 603-0016
✔ PECOS✔ Accepts Medicare984 mi
Clinical Social Worker
NPI 1790070373
24077 STATE HIGHWAY 49
Nevada City, CA 95959
(530) 265-9057
✔ PECOS✔ Accepts Medicare2,423 mi

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

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 Quartet Medical Group's NPI number?

The NPI number for Quartet Medical Group is 1497438428. It was assigned to this organization in the NPPES registry on August 8, 2023.

Where is Quartet Medical Group located?

Quartet Medical Group is located at 1601 Market St Ste 1500, Philadelphia, PA 19103. The listed phone number is (267) 999-9534.

What is Quartet Medical Group's specialty?

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

Is Quartet Medical Group enrolled in Medicare?

Yes. Quartet Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Quartet Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 19 clinicians in 4 Medicare specialties reassign their Medicare billing to Quartet Medical Group. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Clinical Social Worker (11), Mental Health Counselor (5) and Nurse Practitioner (2). Of these, 6 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Quartet Medical Group was last updated on August 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.