Nancy C. Muller, M.D.
Anatomic Pathology & Clinical Pathology Physician · Saint Charles, MO
Nancy C. Muller, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Saint Charles, Missouri, and NPI 1770565525, issued on Nov 17, 2005. Check the license (Missouri 2002009365, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Nancy C. Muller
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 2002009365 MO
Self-reported in NPPES; status is on the state search - Practice location
- 300 1St Capitol Dr, Saint Charles, MO 63301
- Phone
- (636) 947-5420
- Enumerated
- Nov 17, 2005
- Record last updated
- Aug 7, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (636) 947-5257
- Medicare enrollment
- Enrolled (PECOS I20200826000834); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 348 in Missouri → Look up another NPI →
Also registered at 300 1St Capitol Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Abbott, M.D.Emergency Medicine Physician1144269267
- Mohamad Albsheri, MDInternal Medicine Physician1447508874
- Nicole Allen, CRNACertified Registered Nurse Anesthetist1487993663
- Joseph Attewell, M.D.Critical Care Medicine (Internal Medicine) Physician1962456657
- Ellen Atwood, PA-CPhysician Assistant1487104303
- Christina Azzam, CRNACertified Registered Nurse Anesthetist1487074357
Verify Nancy C. Muller 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 2002009365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Analytical Pathology Services LtdAlton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy C. Muller among 348 anatomic pathology & clinical pathology physician records in Missouri
Nancy C. Muller, M.D. is one of 348 anatomic pathology & clinical pathology physician records with a practice address in Missouri. 58% 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, 90% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1995 · median 2004 among the 189 with a school on file
- Record last updated2007 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Missouri
There are 348 anatomic pathology & clinical pathology physician records in Missouri.
All 348 in Missouri → Every provider in Saint Charles → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- David Hopson, M.D.Saint Charles, MO 633011790767507
- Joseph Lombardo, M.D.Saint Charles, MO 633011346222015
- Elizabeth McKinley, M.D.Saint Charles, MO 633011821070665
- Marshall Poger, M.D.Saint Charles, MO 633011154303915
- Harsha Desai, MDHannibal, MO 634011033325311
- Peter Hamel, MDHannibal, MO 634011144333550
- Ni Jin, M.D.Hannibal, MO 634011114088549
- Norman Grossl, M.D.Saint Louis, MO 631461295953776
Common questions
What is Nancy C. Muller, M.D.'s NPI number?
Nancy C. Muller, M.D.'s National Provider Identifier (NPI) is 1770565525, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nancy C. Muller, M.D. located?
The NPPES record lists a practice address at 300 1St Capitol Dr, Saint Charles, MO, 63301. Phone: (636) 947-5420. Providers update this record themselves, so call before visiting.
How can I verify Nancy C. Muller, M.D.'s license?
NPPES lists Missouri license number 2002009365, 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.
What is Nancy C. Muller, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.