Karsta Lynn Marck, MSN, APRN, FNP-C
Family Nurse Practitioner · Houston, TX
Karsta Lynn Marck, MSN, APRN, FNP-C is a family nurse practitioner with a practice address in Houston, Texas, and NPI 1073115952, issued on Nov 15, 2020. Check the license (Texas 1045568, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karsta Lynn Marck
- Credential
- MSN, APRN, FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 1045568 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6624 Fannin St, Houston, TX 77030
- Phone
- (713) 442-0000
- Enumerated
- Nov 15, 2020
- Record last updated
- Feb 12, 2026
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 6624 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karsta Lynn Marck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 1045568Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average family nurse practitioner in 2024
210 Medicare Part D claims for 73 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Pantoprazole Sodium12 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: $20.79
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Karsta Lynn Marck among 21,242 family nurse practitioner records in Texas
Karsta Lynn Marck, MSN, APRN, FNP-C is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 59% of them.
- NPI issued2020 · 59% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2026 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,588 family nurse practitioner records list a practice address in Houston
They are 2,588 of the 61,221 NPPES records with a practice address in Houston, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Houston → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sheila Bradley, FNPHouston, TX 770301730182890
- Georgiann Brown, F.N.P.Houston, TX 770301821028473
- Bethsaida Camacho, APRNHouston, TX 770301265490189
- Tina Dett, FNPHouston, TX 770301922059658
- Saundra Hendricks, APRN,BC-ADMHouston, TX 770301841255726
- Laurie Hughes, RN, FNPHouston, TX 770301922048867
- Tonia Jackson, FNP-CHouston, TX 770301275560153
- Patricia Jones, PH.D., RN, FNP, ERNPHouston, TX 770301467492306
Common questions
What is Karsta Lynn Marck, MSN, APRN, FNP-C's NPI number?
Karsta Lynn Marck, MSN, APRN, FNP-C's National Provider Identifier (NPI) is 1073115952, issued on Nov 15, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Karsta Lynn Marck, MSN, APRN, FNP-C located?
The NPPES record lists a practice address at 6624 Fannin St, Houston, TX, 77030. Phone: (713) 442-0000. Providers update this record themselves, so call before visiting.
How can I verify Karsta Lynn Marck, MSN, APRN, FNP-C's license?
NPPES lists Texas license number 1045568, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Karsta Lynn Marck, MSN, APRN, FNP-C prescribe under Medicare Part D?
In 2024, Karsta Lynn Marck, MSN, APRN, FNP-C had 210 Medicare Part D claims for 73 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.