BRENDAN M GREER MD
NPI 1831105535
Psychiatry & Neurology - Psychiatry in Philadelphia, PA

Active since August 01, 2006Opted out of Medicare · through Oct 1, 2026
4025 CHESTNUT ST, FIRST FLOOR, PHILADELPHIA, PA 19104(215) 382-6680 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Brendan M Greer Md NPPES

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

BRENDAN M GREER MD (NPI 1831105535) is an individual psychiatry provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD053567L) and active in the NPI registry since August 2006. He has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1831105535
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameBRENDAN M GREERCredential: MD
Location Address4025 CHESTNUT ST, FIRST FLOORPhiladelphia, PA 19104-3054
Mailing AddressPo Box 949Doylestown, PA 18901-0949 · (215) 382-6680
Sole ProprietorNo
Enumeration DateAugust 1, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1831105535 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 PA · MD053567L
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.

4025 CHESTNUT ST, Philadelphia, PA 19104

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Brendan M Greer Md 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 October 1, 2004 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2004
Opt-Out In Effect ThroughOctober 1, 2026Opt-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 19104 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
$180.99 typical visit price
range $59.88 – $180.99
Typical copayment $45.24 (range $14.97 – $45.24)
Most-billed visit code 99205
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 20

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

Social Worker (Clinical)
4025 CHESTNUT ST, 1ST FLOOR
PHILADELPHIA, PA 19104
Marriage & Family Therapist
4025 CHESTNUT ST, 1ST FLOOR
PHILADELPHIA, PA 19104
Psychologist
4025 CHESTNUT ST, FIRST FLOOR
PHILADELPHIA, PA 19104
Psychologist
4025 CHESTNUT ST
PHILADELPHIA, PA 19104
Marriage & Family Therapist
4025 CHESTNUT ST
PHILADELPHIA, PA 19104
Psychologist (Clinical)
4025 CHESTNUT ST, 1ST FLOOR
PHILADELPHIA, PA 19104
Social Worker (Clinical)
4025 CHESTNUT ST
PHILADELPHIA, PA 19104
Marriage & Family Therapist
4025 CHESTNUT ST, FIRST FL.
PHILADELPHIA, PA 19104

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 Brendan Greer's NPI number?

The NPI number for Brendan Greer is 1831105535. It was assigned to this individual provider in the NPPES registry on August 1, 2006.

Where is Brendan Greer located?

Brendan Greer practices at 4025 Chestnut St First Floor, Philadelphia, PA 19104. The listed phone number is (215) 382-6680.

What is Brendan Greer's specialty?

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

Is Brendan Greer enrolled in Medicare?

No. Brendan Greer has opted out of Medicare through October 1, 2026. 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 Brendan Greer was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.