Christine Ann Sigman, MD
Internal Medicine Physician · Ballwin, MO
Christine Ann Sigman, MD is an internal medicine physician with a practice address in Ballwin, Missouri, and NPI 1174591374, issued on Mar 14, 2006. Check the license (Missouri 110901, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Christine Ann Sigman
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 110901 MO
Self-reported in NPPES; status is on the state search - Practice location
- 15945 Clayton RD, Ballwin, MO 63011
- Phone
- (636) 256-5350
- Enumerated
- Mar 14, 2006
- Record last updated
- Aug 11, 2022
- Fax
- (636) 256-5370
- Medicare enrollment
- Enrolled (PECOS I20070529000529); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 15945 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christine Ann Sigman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 110901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
6,397 Medicare Part D claims for 315 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 180 claims were for opioids.
Most prescribed
- Atorvastatin Calcium349 claims
- Rosuvastatin Calcium279 claims
- Ezetimibe196 claims
- Amlodipine Besylate189 claims
- Levothyroxine Sodium177 claims
- Losartan Potassium161 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: $389.00
17 payments; by number, the most common kind was 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 2 group practices
- Aging Well Health Care, LLCSaint Louis, MO
- Physical Therapy Spine And Sports Medicine LLCBallwin, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christine Ann Sigman among 2,604 internal medicine physician records in Missouri
Christine Ann Sigman, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1996 · median 2006 among the 1,443 with a school on file
- Record last updated2022 · 48% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Ballwin
They are 10 of the 562 NPPES records with a practice address in Ballwin, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Ballwin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rachel Dickerson, M.D.Ballwin, MO 630111174797427
- Kathryn Harvey-Feldewerth, DOBallwin, MO 630111700370996
- James Ketchum, MDBallwin, MO 630111386610376
- David Schlitt, M.D.Ballwin, MO 630111831166263
- Michael Schoenwalder, D.O.Ballwin, MO 630111588631238
- David Schoenwalder, M.D.Ballwin, MO 630111306815451
- Binwant Singh, M.D.Ballwin, MO 630111508932195
- Erin Arthur, MDSaint Louis, MO 630101669682175
Common questions
What is Christine Ann Sigman, MD's NPI number?
Christine Ann Sigman, MD's National Provider Identifier (NPI) is 1174591374, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christine Ann Sigman, MD located?
The NPPES record lists a practice address at 15945 Clayton RD, Ballwin, MO, 63011. Phone: (636) 256-5350. Providers update this record themselves, so call before visiting.
How can I verify Christine Ann Sigman, MD's license?
NPPES lists Missouri license number 110901, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christine Ann Sigman, MD prescribe under Medicare Part D?
In 2024, Christine Ann Sigman, MD had 6,397 Medicare Part D claims for 315 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.