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DR. DIANE SCHLUP PHILLIPS M.D.
NPI 1649393463
Internal Medicine in Dallas, TX

Active since April 08, 2007Opted out of Medicare · through Jan 1, 2028
7557 RAMBLER RD STE 225, DALLAS, TX 75231(214) 360-0108(214) 360-0442 Get Directions Write a Review

NPPES record last updated: April 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Diane Schlup Phillips M.d. NPPES

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

DR. DIANE SCHLUP PHILLIPS M.D. (NPI 1649393463) is an individual internal medicine provider in Dallas, Texas, licensed in Texas (H2686) and active in the NPI registry since April 2007. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1649393463
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. DIANE SCHLUP PHILLIPSCredential: M.D.
Location Address7557 RAMBLER RD STE 225Dallas, TX 75231-2303
Mailing Address7557 Rambler Rd Ste 225Dallas, TX 75231-2303 · (214) 360-0108 · Fax (214) 360-0442
Phone(214) 360-0108
Fax(214) 360-0442
Sole ProprietorNo
Enumeration DateApril 8, 2007
Last NPPES UpdateApril 20, 2026
NPPES CertifiedApril 20, 2026
✔ NPI 1649393463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · H2686
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
7557 RAMBLER RD STE 225, Dallas, TX 75231
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Diane Schlup Phillips M.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, 2014 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2014
Opt-Out In Effect ThroughJanuary 1, 2028Opt-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 75231 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
Most-billed visit code 99214
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 2

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

TAMIKA WOODEN
Registered Nurse (General Practice)
7557 RAMBLER RD STE 225
DALLAS, TX 75231
Dallas County (901) 859-3851
DR. BRUCE PHILLIPS M.D.
Family Medicine
7557 RAMBLER RD STE 225
DALLAS, TX 75231
Dallas County (214) 360-0108

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 Diane Phillips's NPI number?

The NPI number for Diane Phillips is 1649393463. It was assigned to this individual provider in the NPPES registry on April 8, 2007.

Where is Diane Phillips located?

Diane Phillips practices at 7557 Rambler Rd Ste 225, Dallas, TX 75231. The listed phone number is (214) 360-0108.

What is Diane Phillips's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Diane Phillips enrolled in Medicare?

No. Diane Phillips has opted out of Medicare through January 1, 2028. 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 Diane Phillips was last updated on April 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.