Mary Ann Lillig, D.O.
Internal Medicine Physician · Grandview, MO
Mary Ann Lillig, D.O. is an internal medicine physician with a practice address in Grandview, Missouri, and NPI 1902899834, issued on Aug 25, 2005. Check the license (Missouri 1999135661, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Lillig
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 1999135661 MO
05-28496 KS
Self-reported in NPPES; status is on the state search - Practice location
- 6301 E 125TH St, Grandview, MO 64030
- Phone
- (913) 660-1616
- Enumerated
- Aug 25, 2005
- Record last updated
- Apr 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid IDs
- 1902899834 MO
204776215 MO
100351420B KS - Medicare enrollment
- Enrolled (PECOS I20060517000028); may accept Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 1995
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 6301 E 125TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Culver, OTD, OTR/LOccupational Therapist1003442963
- Kelsy Darby, FNPFamily Nurse Practitioner1740701804
Verify Mary Ann Lillig 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 1999135661Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.6 times the Medicare Part D claims of the average internal medicine physician in 2024
27,215 Medicare Part D claims for 635 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 726 claims were for opioids.
Most prescribed
- Amlodipine Besylate1,193 claims
- Atorvastatin Calcium1,093 claims
- Gabapentin862 claims
- Levothyroxine Sodium778 claims
- Trazodone Hcl661 claims
- Metformin Hcl653 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: $118.28
1 payment: food and beverage; the largest payer was Neurocrine Biosciences, 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 3 group practices
- CS Pacs 3 Midwest LLCOlathe, KS
- Inpatient Consultants OF Kansas PAOverland Park, KS
- Kansas Post Acute Medical Services 1 PAWichita, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ann Lillig among 2,604 internal medicine physician records in Missouri
Mary Ann Lillig, D.O. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1995 · median 2006 among the 1,443 with a school on file
- Record last updated2018 · 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).
9 internal medicine physician records list a practice address in Grandview
They are 9 of the 221 NPPES records with a practice address in Grandview, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Grandview → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Adaora AsomughaGrandview, MO 640301699655092
- William Barnard, MDGrandview, MO 640301396742110
- Anthony Buren, M.D.Grandview, MO 640301467474460
- Molly Lewandowski, MDGrandview, MO 640301689630154
- Linjie Luo, MD, PHDGrandview, MO 640301942180922
- Atif MuhammadGrandview, MO 640301619594017
- Washington Muro, M.D.Grandview, MO 640301932218013
- Fatma ShabanaGrandview, MO 640301396639340
Common questions
What is Mary Ann Lillig, D.O.'s NPI number?
Mary Ann Lillig, D.O.'s National Provider Identifier (NPI) is 1902899834, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Lillig, D.O. located?
The NPPES record lists a practice address at 6301 E 125TH St, Grandview, MO, 64030. Phone: (913) 660-1616. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Lillig, D.O.'s license?
NPPES lists Missouri license number 1999135661, 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 Mary Ann Lillig, D.O. prescribe under Medicare Part D?
In 2024, Mary Ann Lillig, D.O. had 27,215 Medicare Part D claims for 635 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.