DR. BARBARA KAREN DAVIS M.D.
NPI 1093835548
Psychiatry & Neurology - Psychiatry in Langhorne, PA

Q: What is Barbara Davis's NPI number?

The NPI number for Barbara Davis is 1093835548. It was assigned to this individual provider in the NPPES registry on March 29, 2007. The provider is also known as Ms. Barbara Davis Mercer.

Q: What is Barbara Davis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Barbara Davis was last updated on July 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since March 29, 2007PECOS Enrolled

930 TOWN CENTER DR, STE. G40, LANGHORNE, PA 19047(215) 757-1915 Get Directions Write a Review

NPPES record last updated: July 13, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Barbara Karen Davis M.d. NPPES

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

DR. BARBARA KAREN DAVIS M.D. (NPI 1093835548) is an individual psychiatry provider in Langhorne, Pennsylvania, licensed in Pennsylvania (MD420185) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093835548

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. BARBARA KAREN DAVISCredential: M.D.

Location Address930 TOWN CENTER DR, STE. G40Langhorne, PA 19047-3503

Mailing Address930 Town Center Dr, Ste. G40Langhorne, PA 19047-3503 · (215) 757-1915

Phone(215) 757-1915

Sole ProprietorYes

Enumeration DateMarch 29, 2007

Last NPPES UpdateJuly 13, 2007

✔ NPI 1093835548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in PA · MD420185✔ Licensed in NY · 222239

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.

930 TOWN CENTER DR, Langhorne, PA 19047

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Other Names 1

Former Name (1)Ms. Barbara Davis Mercer

Other Identifiers 1

Medicare UPING61313MN

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Barbara Karen Davis M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Barbara Davis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Greater Philadelphia Health Action Inc.

16 mi

Federally Qualified Health Center (FQHC)

4510 FRANKFORD AVE
Philadelphia, PA 19124

Reassigned Medicare billing, Pennsylvania enrollment
232 clinicians in this Medicare group

NPI 1659325652 (215) 744-1302

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 19047 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 5

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

DR. LISA MICHELLE DUCKER DO

Family Medicine

930 TOWN CENTER DR, SUITE G 10
LANGHORNE, PA 19047

Bucks County (215) 750-8373

GLOBAL FITNESS LLC

Physical Therapist (Orthopedic)

930 TOWN CENTER DR, SUITE G-75
LANGHORNE, PA 19047

Bucks County (267) 392-5240

TOTAL RENAL CARE INC

Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)

930 TOWN CENTER DR, STE G100
LANGHORNE, PA 19047

Bucks County (215) 750-9831

DR. MAGDALENA WILTZ MD

Psychiatry & Neurology (Psychiatry)

930 TOWN CENTER DR, SUITE G40
LANGHORNE, PA 19047

Bucks County (215) 757-1915

MRS. WENDY BROOKE GOLDMAN RD, LDN

Dietitian, Registered (Nutrition, Renal)

930 TOWN CENTER DR, SUITE G-100
LANGHORNE, PA 19047

Bucks County (215) 750-9831

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 Barbara Davis's NPI number?

The NPI number for Barbara Davis is 1093835548. It was assigned to this individual provider in the NPPES registry on March 29, 2007. The provider is also known as Ms. Barbara Davis Mercer.

Where is Barbara Davis located?

Barbara Davis practices at 930 Town Center Dr Ste. G40, Langhorne, PA 19047. The listed phone number is (215) 757-1915.

What is Barbara Davis's specialty?

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

Is Barbara Davis enrolled in Medicare?

Yes. Barbara Davis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Barbara Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Davis reassigns Medicare benefits to Greater Philadelphia Health Action Inc. (Philadelphia, PA). The 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 Barbara Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Barbara Davis was last updated on July 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.