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DR. NATALIE WOODSON HARRIS D.O.
NPI 1003004201
Internal Medicine in Corpus Christi, TX

Active since October 12, 2007PECOS EnrolledAccepts Medicare Assignment
3301 S ALAMEDA ST STE 201, CORPUS CHRISTI, TX 78411(361) 857-2900 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Natalie Woodson Harris D.o. NPPES

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

DR. NATALIE WOODSON HARRIS D.O. (NPI 1003004201) is an individual internal medicine provider in Corpus Christi, Texas, licensed in Texas (Q5534) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS, is affiliated with St David's Medical Center, and maintains a secondary practice location in Austin.

NPPES Registry Identity

NPI1003004201
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. NATALIE WOODSON HARRISCredential: D.O.
Location Address3301 S ALAMEDA ST STE 201Corpus Christi, TX 78411-1870
Mailing Address1004 W 32nd St Ste 400Austin, TX 78705-1915 · (512) 454-5171 · Fax (512) 454-0704
Phone(361) 857-2900
Sole ProprietorNo
Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 2007
Enumeration DateOctober 12, 2007
Last NPPES UpdateFebruary 9, 2026
NPPES CertifiedFebruary 9, 2026
✔ NPI 1003004201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TX · Q5534✔ Licensed in ME · 2112
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.
3301 S ALAMEDA ST STE 201, Corpus Christi, TX 78411
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Other Names 1

Former Name (1)Dr. Natalie Woodworth Philbrick Do

Secondary Practice Location 1

Location 11004 W 32nd St Ste 400Austin, TX 78705-1915 · Phone (512) 454-5171 · Fax (512) 454-0704

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Natalie Woodson Harris D.o. 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 ID4385881663
PECOS Enrollment IDI20160104002046
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 Reassignments

4

Medicare enrollment records show Natalie Harris reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Corpus Christi Primary Care Associates, PLLC
Same address
Family Medicine
3301 S ALAMEDA ST, SUITE 201
Corpus Christi, TX 78411
  • Reassigned Medicare billing, Texas enrollment
  • 3 clinicians in this Medicare group
NPI 1669795084 (361) 857-2900
Natalie Philbrick, Do, PA
0.1 mi
Internal Medicine
3234 S ALAMEDA ST
Corpus Christi, TX 78404
  • Reassigned Medicare billing, Texas enrollment
NPI 1336620996 (361) 882-1751
Capital Medical Clinic, LLP
176 mi
Internal Medicine
1004 W 32ND ST, STE 400
Austin, TX 78705
  • Reassigned Medicare billing, Texas enrollment
  • 18 clinicians in this Medicare group
NPI 1679528582 (512) 454-5171
Hospitalist Medicine Physicians Of Texas, PLLC
201 mi
Internal Medicine
18951 N MEMORIAL DR
Humble, TX 77338
  • Reassigned Medicare billing, Texas enrollment
  • 2,009 clinicians in this Medicare group
NPI 1629307095 (281) 540-7700

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
278 services129 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
37 services27 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
19 services18 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
17 services14 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
17 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St David's Medical Center

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450431
Location919 E 32nd StAustin, TX 78705 · Travis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78411 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers40 claims88 services$6.38 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers13 claims23 services$1.14 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
3 suppliers11 claims11 services$82.35 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
3 suppliers11 claims22 services$36.66 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
5 suppliers17 claims17 services$17.35 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
3 suppliers11 claims11 services$17.05 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Natalie Harris's NPI number?

The NPI number for Natalie Harris is 1003004201. It was assigned to this individual provider in the NPPES registry on October 12, 2007. The provider is also known as Dr. Natalie Woodworth Philbrick Do.

Where is Natalie Harris located?

Natalie Harris practices at 3301 S Alameda St Ste 201, Corpus Christi, TX 78411. The listed phone number is (361) 857-2900.

What is Natalie Harris's specialty?

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

Is Natalie Harris enrolled in Medicare?

Yes. Natalie Harris 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.

Which organizations bill Medicare for Natalie Harris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Natalie Harris reassigns Medicare benefits to 4 organizations: Corpus Christi Primary Care Associates, PLLC (Corpus Christi, TX), Natalie Philbrick, Do, PA (Corpus Christi, TX), Capital Medical Clinic, LLP (Austin, TX) and Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX). Each 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 Natalie Harris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Natalie Harris accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and UnitedHealthcare list Natalie Harris 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.

Is Natalie Harris affiliated with any hospitals?

According to CMS data, Natalie Harris is affiliated with St David's Medical Center.

When was this NPI record last updated?

The NPPES record for Natalie Harris was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.