What is Natalie Harris's NPI number?

Natalie Harris's National Provider Identifier (NPI) is 1003004201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Natalie Harris's specialty?

Natalie Harris is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Natalie Harris located?

Natalie Harris's practice location on file with NPPES is 3301 S Alameda St Ste 201, Corpus Christi, TX 78411-1870.

What is Natalie Harris's phone number?

The practice phone number listed in the NPPES registry for Natalie Harris is (361) 857-2900.

Does Natalie Harris accept Medicare?

Natalie Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Natalie Harris's NPI active?

Yes — Natalie Harris's NPI (1003004201) is active in the NPPES registry as of the last update on 2026-02-09.

IndividualActiveAccepts Medicare

Natalie Harris, D.O.

NPI 1003004201 · Internal Medicine Physician · Corpus Christi, TX

Natalie Harris, D.O. is a Internal Medicine Physician provider in Corpus Christi, TX (NPI 1003004201).

Provider details

NPI number: 1003004201
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: D.O.
Sex: Female
Sole proprietor: No
License: Q5534 (TX)

Practice location

3301 S Alameda St Ste 201

Corpus Christi, TX 78411-1870

Phone: (361) 857-2900

Street-level locationGet directions

More TX providers

Mailing address

1004 W 32nd St Ste 400

Austin, TX 78705-1915

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense Q5534 (TX)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 2112 (ME)
Allopathic & Osteopathic Physicians

Additional practice locations (1)

1004 W 32nd St Ste 400
Austin, TX 78705-1915
Phone: (512) 454-5171
Fax: (512) 454-0704

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(75/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
19 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
2 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
387 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	278	$122
Hemoglobin A1c Level83036	37	$10
Administration of Influenza Virus VaccineG0008	19	$29
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	19	$16
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	17	$172
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 126 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Levothyroxine Sodium	333	87
Rosuvastatin Calcium	324	114
Meloxicam	283	95
Atorvastatin Calcium	281	86
Pantoprazole Sodium	265	89
Amlodipine Besylate	239	68
Lisinopril

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,054 across 59 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2007-10-12
Last updated: 2026-02-09
Certified: 2026-02-09

Frequently asked questions

What is Natalie Harris's NPI number?: Natalie Harris's National Provider Identifier (NPI) is 1003004201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Natalie Harris's specialty?: Natalie Harris is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Natalie Harris located?: Natalie Harris's practice location on file with NPPES is 3301 S Alameda St Ste 201, Corpus Christi, TX 78411-1870.
What is Natalie Harris's phone number?: The practice phone number listed in the NPPES registry for Natalie Harris is (361) 857-2900.
Does Natalie Harris accept Medicare?: Natalie Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Natalie Harris's NPI active?: Yes — Natalie Harris's NPI (1003004201) is active in the NPPES registry as of the last update on 2026-02-09.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	278	$122
Hemoglobin A1c Level83036	37	$10
Administration of Influenza Virus VaccineG0008	19	$29
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	19	$16
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	17	$172
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit

Drug

Part D claims (2024)

Beneficiaries

Levothyroxine Sodium

333

Rosuvastatin Calcium

324

114

Meloxicam

283

281

265

239

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,054 across 59 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (1)

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (1)

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments