NPPES file of Aug 9, 2026

Danielle Suzanne Grunloh-Gumpenberger, MD

Obstetrics & Gynecology Physician · O Fallon, MO

Danielle Suzanne Grunloh-Gumpenberger, MD is an obstetrics & gynecology physician with a practice address in O Fallon, Missouri, and NPI 1285164053, issued on Jun 14, 2017. Check the license (Missouri 2017018655, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285164053
Name
Danielle Suzanne Grunloh-Gumpenberger
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
2017018655 MO
Self-reported in NPPES; status is on the state search
Practice location
300 Winding Woods Dr Ste 200, O Fallon, MO 63366
Phone
(636) 240-0130
Enumerated
Jun 14, 2017
Record last updated
May 8, 2024
Medicare enrollment
Enrolled (PECOS I20210923003377); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Danielle Suzanne Grunloh-Gumpenberger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2017018655
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

21% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

131 Medicare Part D claims for 44 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Danielle Grunloh-Gumpenberger131
  2. Specialty average165

Most prescribed

  1. Estradiol29 claims
  2. Clobetasol Propionate20 claims
  3. Progesterone12 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: $110.08

6 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Danielle Grunloh-Gumpenberger$110.08
  2. Specialty average$1,030.61

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

  1. Mercy Clinic East CommunitiesO Fallon, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Danielle Suzanne Grunloh-Gumpenberger among 902 obstetrics & gynecology physician records in Missouri

Danielle Suzanne Grunloh-Gumpenberger, MD is one of 902 obstetrics & gynecology physician records with a practice address in Missouri. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 75% of them.

  • NPI issued2017 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2017 · median 2007 among the 528 with a school on file
  • Record last updated2024 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 obstetrics & gynecology physician records list a practice address in O Fallon

They are 20 of the 1,225 NPPES records with a practice address in O Fallon, and 902 obstetrics & gynecology physician records in Missouri.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Tanvira Alam, DOO Fallon, MO 633661265670525
  2. Lauren Buchanan, MDO Fallon, MO 633661467946160
  3. Christine Cortadillo, D.O.O Fallon, MO 633661417186099
  4. Lindsay Dickerhoff, M.D.O Fallon, MO 633661790028520
  5. Emma Eubanks, MDO Fallon, MO 633661326484742
  6. Leah Glass, D.O.O Fallon, MO 633661093942997
  7. Katherine Harkess, M.D.O Fallon, MO 633661295116143
  8. Margaretta Mendenhall, M.D.O Fallon, MO 633661275730111

Common questions

What is Danielle Suzanne Grunloh-Gumpenberger, MD's NPI number?

Danielle Suzanne Grunloh-Gumpenberger, MD's National Provider Identifier (NPI) is 1285164053, issued on Jun 14, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Danielle Suzanne Grunloh-Gumpenberger, MD located?

The NPPES record lists a practice address at 300 Winding Woods Dr Ste 200, O Fallon, MO, 63366. Phone: (636) 240-0130. Providers update this record themselves, so call before visiting.

How can I verify Danielle Suzanne Grunloh-Gumpenberger, MD's license?

NPPES lists Missouri license number 2017018655, 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 Danielle Suzanne Grunloh-Gumpenberger, MD prescribe under Medicare Part D?

In 2024, Danielle Suzanne Grunloh-Gumpenberger, MD had 131 Medicare Part D claims for 44 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.