Kevin D. Sieck, MD
Internal Medicine Physician · Pampa, TX
Kevin D. Sieck, MD is an internal medicine physician with a practice address in Pampa, Texas, and NPI 1639190770, issued on Jul 22, 2006. Check the license (Texas L4200, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kevin D. Sieck
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- L4200 TX
21716 OK
Self-reported in NPPES; status is on the state search - Practice location
- 3023 Perryton Pkwy, Pampa, TX 79065
- Phone
- (806) 665-0801
- Enumerated
- Jul 22, 2006
- Record last updated
- Jul 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (806) 665-8503
- Medicaid ID
- 151473901 TX
- Medicare enrollment
- Enrolled (PECOS I20100409000036); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 3023 Perryton Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kevin D. Sieck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L4200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average internal medicine physician in 2024
12,862 Medicare Part D claims for 873 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 505 claims were for opioids.
Most prescribed
- Levothyroxine Sodium696 claims
- Pantoprazole Sodium538 claims
- Atorvastatin Calcium468 claims
- Amlodipine Besylate360 claims
- Metoprolol Succinate314 claims
- Rosuvastatin Calcium303 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: $13.39
1 payment: food and beverage; the largest payer was Abbvie Inc. 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.
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
- Spmg Signature Pampa Medical GroupPampa, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kevin D. Sieck among 9,175 internal medicine physician records in Texas
Kevin D. Sieck, MD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1999 · median 2004 among the 6,088 with a school on file
- Record last updated2013 · 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).
5 internal medicine physician records list a practice address in Pampa
They are 5 of the 134 NPPES records with a practice address in Pampa, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Pampa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Luke Hinshaw, MDPampa, TX 790651720074859
- Nirmala Kamnani, M.D.Pampa, TX 790651801861117
- Ralf Lukner, MD, PHDPampa, TX 790651053607507
- Giang Nguyen, M.D.Pampa, TX 790651457349839
- Sergio Lara, MDPlainview, TX 790721578639621
- Comlavi Tossou, MDPlainview, TX 790721144533803
- Cindy Tran, D.OPlainview, TX 790721275066250
- Bethany Pickard, M.D.Wellington, TX 790951023404043
Common questions
What is Kevin D. Sieck, MD's NPI number?
Kevin D. Sieck, MD's National Provider Identifier (NPI) is 1639190770, issued on Jul 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kevin D. Sieck, MD located?
The NPPES record lists a practice address at 3023 Perryton Pkwy, Pampa, TX, 79065. Phone: (806) 665-0801. Providers update this record themselves, so call before visiting.
How can I verify Kevin D. Sieck, MD's license?
NPPES lists Texas license number L4200, 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 Kevin D. Sieck, MD prescribe under Medicare Part D?
In 2024, Kevin D. Sieck, MD had 12,862 Medicare Part D claims for 873 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.