Cara Hahs, MD
Surgery Physician · Ballwin, MO
Cara Hahs, MD is a surgery physician with a practice address in Ballwin, Missouri, and NPI 1427031129, issued on Nov 28, 2005. Check the license (Missouri 112784, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Cara Hahs
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- 112784 MO
01057613A IN
Self-reported in NPPES; status is on the state search - Practice location
- 15945 Clayton RD, Ballwin, MO 63011
- Phone
- (636) 256-5000
- Enumerated
- Nov 28, 2005
- Record last updated
- Mar 2, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (636) 256-5100
- Medicaid ID
- 1427031129 MO
- Medicare enrollment
- Enrolled (PECOS I20110207000792); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 714 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.
- Octavio Chirino, M.D.Obstetrics & Gynecology Physician1598718058
- Laura Hooper, AGNPGerontology Nurse Practitioner1598156820
- Mark Houston, MDFamily Medicine Physician1689640344
- Shanna Ingram, FNP-CFamily Nurse Practitioner1982451027
- James Ketchum, MDInternal Medicine Physician1386610376
- Erica Lammert, RNFARegistered Nurse First Assistant1215352117
Verify Cara Hahs 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 112784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average surgery physician in 2024
133 Medicare Part D claims for 90 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 94 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen83 claims
- Lidocaine-Prilocaine20 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: $83.44
4 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Mercy Clinic St Louis Cancer And Breast Institute LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cara Hahs among 714 surgery physician records in Missouri
Cara Hahs, MD is one of 714 surgery physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1997 · median 2006 among the 410 with a school on file
- Record last updated2015 · 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 208600000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Missouri
There are 714 surgery physician records in Missouri.
All 714 in Missouri → Every provider in Ballwin → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Sarah Colwick, M.D.Ballwin, MO 630111922258458
- Beverly Wilhelm-Oney, MDBallwin, MO 630111912980186
- Harry Cole, M.D.Chesterfield, MO 630171790749968
- Christopher Cronin, M.D.Chesterfield, MO 630171043204597
- Ruth Decker, MDChesterfield, MO 630171538145552
- Mari Anne Fahrner, M.D.Chesterfield, MO 630171700870292
- Robert Heim, M.D.Chesterfield, MO 630171780648956
- Diana Jiang, MDChesterfield, MO 630171639673833
Common questions
What is Cara Hahs, MD's NPI number?
Cara Hahs, MD's National Provider Identifier (NPI) is 1427031129, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Cara Hahs, MD located?
The NPPES record lists a practice address at 15945 Clayton RD, Ballwin, MO, 63011. Phone: (636) 256-5000. Providers update this record themselves, so call before visiting.
How can I verify Cara Hahs, MD's license?
NPPES lists Missouri license number 112784, 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 Cara Hahs, MD prescribe under Medicare Part D?
In 2024, Cara Hahs, MD had 133 Medicare Part D claims for 90 beneficiaries; the average among surgery physician prescribers was 147. 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.