NPPES file of Aug 9, 2026

Marianne Hazelitt, D.O

Internal Medicine Physician · Corpus Christi, TX

Marianne Hazelitt, D.O is an internal medicine physician with a practice address in Corpus Christi, Texas, and NPI 1558655027, issued on Jun 2, 2011. Check the license (Texas V3875, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558655027
Name
Marianne Hazelitt
Credential
D.O
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
V3875 TX
UO2769 FL
DO2191 NV
Self-reported in NPPES; status is on the state search
Practice location
6202 Dunbarton Oak St Ste 200A, Corpus Christi, TX 78414
Phone
(361) 391-5056
Enumerated
Jun 2, 2011
Record last updated
Jun 1, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Marianne Hazelitt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license V3875
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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80% more Medicare Part D claims than the average internal medicine physician in 2024

5,732 Medicare Part D claims for 853 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 273 claims were for opioids.

  1. Marianne Hazelitt5,732
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium360 claims
  2. Levothyroxine Sodium246 claims
  3. Amlodipine Besylate192 claims
  4. Lisinopril181 claims
  5. Rosuvastatin Calcium168 claims
  6. Losartan Potassium134 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $120.90

7 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marianne Hazelitt$120.90
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Marianne Hazelitt among 9,175 internal medicine physician records in Texas

Marianne Hazelitt, D.O is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 60% of them.

  • NPI issued2011 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

99 internal medicine physician records list a practice address in Corpus Christi

They are 99 of the 5,600 NPPES records with a practice address in Corpus Christi, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Shahab Ahmad, DOCorpus Christi, TX 784141669649596
  2. James Dee, MDCorpus Christi, TX 784141558351288
  3. Angie Guerrero, FNP-CCorpus Christi, TX 784141588347165
  4. Coleen Madigan, MDCorpus Christi, TX 784141386651156
  5. Rene Rodriguez, MDCorpus Christi, TX 784141598869976
  6. Pamela Smith, M.D.Corpus Christi, TX 784141083621866
  7. Kirby Barker, M.D.Corpus Christi, TX 784131558635912
  8. Kelly Campbell, D.O.Corpus Christi, TX 784131538524723

Common questions

What is Marianne Hazelitt, D.O's NPI number?

Marianne Hazelitt, D.O's National Provider Identifier (NPI) is 1558655027, issued on Jun 2, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Marianne Hazelitt, D.O located?

The NPPES record lists a practice address at 6202 Dunbarton Oak St Ste 200A, Corpus Christi, TX, 78414. Phone: (361) 391-5056. Providers update this record themselves, so call before visiting.

How can I verify Marianne Hazelitt, D.O's license?

NPPES lists Texas license number V3875, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marianne Hazelitt, D.O prescribe under Medicare Part D?

In 2024, Marianne Hazelitt, D.O had 5,732 Medicare Part D claims for 853 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.