NPPES file of Aug 9, 2026

K Gerstenberg, D.O.

Family Medicine Physician · Port Neches, TX

K Gerstenberg, D.O. is a family medicine physician with a practice address in Port Neches, Texas, and NPI 1265430649, issued on Jul 11, 2005. Check the license (Texas J6456, 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
1265430649
Name
K Gerstenberg
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
J6456 TX
Self-reported in NPPES; status is on the state search
Practice location
2645 Nall St, Port Neches, TX 77651
Phone
(409) 210-3336
Enumerated
Jul 11, 2005
Record last updated
Mar 4, 2025
Fax
(409) 527-3969
Medicaid ID
042775906 TX
Medicare enrollment
Enrolled (PECOS I20040610000754); accepts Medicare assignment
Medical or professional school
University Of North Texas Hsc, College Of Osteopathic Med, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2645 Nall St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nan AmmelOther Technician1699258285
  2. Stephen Bell, DOFamily Medicine Physician1538426184
  3. Lane BlockOther Technician1528599545
  4. Renee Broussard, FNPFamily Nurse Practitioner1316478506
  5. Lennie FarmerOther Technician1578075370
  6. Brandy FontenotOther Technician1124559703

Verify K Gerstenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J6456
    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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6% more Medicare Part D claims than the average family medicine physician in 2024

3,774 Medicare Part D claims for 555 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 188 claims were for opioids.

  1. K Gerstenberg3,774
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium146 claims
  2. Levothyroxine Sodium145 claims
  3. Amlodipine Besylate119 claims
  4. Rosuvastatin Calcium115 claims
  5. Hydrocodone-Acetaminophen113 claims
  6. Lisinopril98 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: $1,297.49

71 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. K Gerstenberg$1,297.49
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. K Paul Gerstenberg, D O, P APort Neches, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

3 family medicine physician records list a practice address in Port Neches

They are 3 of the 78 NPPES records with a practice address in Port Neches, and 11,119 family medicine physician records in Texas.

Other family medicine physician records in Texas

  1. Srinivasa Aaluri, MDEl Paso, TX1265566509
  2. Maira Aamir, MDShenandoah, TX1932660859
  3. Fakhrudin Aaseemah Mohamed, M.DAllen, TX1952782518
  4. So Abad, MDWichita Falls, TX1184624694
  5. Yoseph AbadiRichardson, TX1700742640
  6. Marcus Abadie, M.D.Athens, TX1104821107
  7. Montserrat Abadie Sole, M.D.Fort Worth, TX1245437078
  8. Sarah Abang-Hayes, M.D.San Antonio, TX1326244724
  9. Ahmad Abazid, M.DRichardson, TX1013238401
  10. Syed Abbas, M.D.Houston, TX1821267477

Common questions

What is K Gerstenberg, D.O.'s NPI number?

K Gerstenberg, D.O.'s National Provider Identifier (NPI) is 1265430649, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is K Gerstenberg, D.O. located?

The NPPES record lists a practice address at 2645 Nall St, Port Neches, TX, 77651. Phone: (409) 210-3336. Providers update this record themselves, so call before visiting.

How can I verify K Gerstenberg, D.O.'s license?

NPPES lists Texas license number J6456, 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 K Gerstenberg, D.O. prescribe under Medicare Part D?

In 2024, K Gerstenberg, D.O. had 3,774 Medicare Part D claims for 555 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.