KRISTA RUTH ALEXANDER M.D.
NPI 1811214547
Psychiatry & Neurology - Psychiatry in Cary, NC

Active since April 20, 2010PECOS EnrolledAccepts Medicare Assignment
15000 WESTON PKWY OFC 171, CARY, NC 27513(917) 634-5311(888) 815-3583 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 6, 2026, Aug 5, 2022, Aug 6, 2019 (3 updates tracked since 2019).

About Krista Ruth Alexander M.d. NPPES

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

KRISTA RUTH ALEXANDER M.D. (NPI 1811214547) is an individual psychiatry provider in Cary, North Carolina, licensed in North Carolina (2015-00359) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2010).

NPPES Registry Identity

NPI1811214547
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameKRISTA RUTH ALEXANDERCredential: M.D.
Location Address15000 WESTON PKWY OFC 171Cary, NC 27513-2118
Mailing Address15000 Weston Pkwy Ofc 171Cary, NC 27513-2118 · (917) 634-5311 · Fax (888) 815-3583
Fax(888) 815-3583
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2010
Enumeration DateApril 20, 2010
Last NPPES UpdateMay 6, 20263 updates tracked since enumeration
NPPES CertifiedMay 6, 2026
NPI 1811214547 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 NC · 2015-00359 Licensed in VA · 0101280391 Licensed in NY · 326302
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.
15000 WESTON PKWY OFC 171, Cary, NC 27513

Other Names 1

Former Name (1)Krista Ruth Noack

Secondary Practice Locations 2

Location 1109 W 27th St Rm 5SNew York, NY 10001-6208 · Phone (917) 634-5311 · Fax (888) 815-3583
Location 2150 Riverside Pkwy Ste 115Fredericksburg, VA 22406-1094 · Phone (917) 634-5311 · Fax (888) 815-3583

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Krista Ruth Alexander M.d. 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 ID1153636766
PECOS Enrollment IDI20150811005557, I20231025002318
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27513 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
$165.09 typical visit price
range $54.12 – $165.09
Typical copayment $41.27 (range $13.53 – $41.27)
Most-billed visit code 99205
Established Patient
$67.72 typical visit price
range $17.21 – $134.61
Typical copayment $16.93 (range $4.30 – $33.65)
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.

Psychiatry & Neurology (Psychiatry)
15000 WESTON PKWY OFC 171
CARY, NC 27513
Psychiatry & Neurology (Psychiatry)
15000 WESTON PKWY OFC 171
CARY, NC 27513
Psychiatry & Neurology (Psychiatry)
15000 WESTON PKWY OFC 171
CARY, NC 27513
Psychiatry & Neurology (Psychiatry)
15000 WESTON PKWY OFC 171
CARY, NC 27513
Psychiatry & Neurology (Psychiatry)
15000 WESTON PKWY OFC 171
CARY, NC 27513

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 Krista Alexander's NPI number?

The NPI number for Krista Alexander is 1811214547. It was assigned to this individual provider in the NPPES registry on April 20, 2010. The provider is also known as Krista Ruth Noack.

Where is Krista Alexander located?

Krista Alexander practices at 15000 Weston Pkwy Ofc 171, Cary, NC 27513. The listed phone number is (917) 634-5311.

What is Krista Alexander's specialty?

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

Is Krista Alexander enrolled in Medicare?

Yes. Krista Alexander is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Krista Alexander accept?

Health plans from UnitedHealthcare list Krista Alexander as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Krista Alexander was last updated on May 6, 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.