NPPES file of Aug 9, 2026

Mary H. Duff, MD

Obstetrics & Gynecology Physician · Springfield, MO

Mary H. Duff, MD is an obstetrics & gynecology physician with a practice address in Springfield, Missouri, and NPI 1952410862, issued on Aug 30, 2006. Check the license 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952410862
Name
Mary H. Duff
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
04-29559 KS
Self-reported in NPPES; status is on the state search
Practice location
1000 E Primrose St, Springfield, MO 65807
Phone
(417) 269-7900
Enumerated
Aug 30, 2006
Record last updated
Jul 3, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(417) 269-7990
Medicaid IDs
100419950A KS
205842107 MO
Medicare enrollment
Enrolled (PECOS I20081007000872); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 1998
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.
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Also registered at 1000 E Primrose St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jacqueline Adkins, PHARMDPharmacist1548861479
  2. Arie Ashkenasi, M.D.Pediatric Neurodevelopmental Disabilities Physician1497768600
  3. Sarah Austin, PA-CPhysician Assistant1962264192
  4. Karen Aviles, CRNACertified Registered Nurse Anesthetist1952319600
  5. Scott Ballmann, M.D.Obstetrics & Gynecology Physician1467710558
  6. Tiffany Barker, FNP-CObstetrics & Gynecology Nurse Practitioner1851214662

Verify Mary H. Duff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing ArtsCheck 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

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11% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

147 Medicare Part D claims for 56 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. Mary Duff147
  2. Specialty average165

Most prescribed

  1. Estradiol65 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $17.57

1 payment: food and beverage; the largest payer was Hologic Sales and Service, 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. Mary Duff$17.57
  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. Lester E Cox Medical CentersSpringfield, MO

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

Mary H. Duff among 902 obstetrics & gynecology physician records in Missouri

Mary H. Duff, 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 54% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1998 · median 2007 among the 528 with a school on file
  • Record last updated2012 · 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).

Obstetrics & Gynecology Physician providers in Missouri

There are 902 obstetrics & gynecology physician records in Missouri.

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

  1. Everett Beguin, M.D.Springfield, MO 658071194714949
  2. Ronald Benson, MDSpringfield, MO 658071619910502
  3. Manuel Camejo, M.DSpringfield, MO 658071225016637
  4. Kathryne Derrough, M.D.Springfield, MO 658071538279435
  5. Tama Franklin, M.D.Springfield, MO 658071215047030
  6. David Lang, D.O.Springfield, MO 658071053396200
  7. Daphne Lemon, MDSpringfield, MO 658071164460275
  8. Kristy McCall, MDSpringfield, MO 658071821030958

Common questions

What is Mary H. Duff, MD's NPI number?

Mary H. Duff, MD's National Provider Identifier (NPI) is 1952410862, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary H. Duff, MD located?

The NPPES record lists a practice address at 1000 E Primrose St, Springfield, MO, 65807. Phone: (417) 269-7900. Providers update this record themselves, so call before visiting.

How can I verify Mary H. Duff, MD's license?

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 Mary H. Duff, MD prescribe under Medicare Part D?

In 2024, Mary H. Duff, MD had 147 Medicare Part D claims for 56 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Mary H. Duff, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.