DR. MARY ANN LILLIG D.O.
NPI 1902899834
Internal Medicine in Grandview, MO

Q: What is Mary Ann Lillig's NPI number?

The NPI number for Mary Ann Lillig is 1902899834. It was assigned to this individual provider in the NPPES registry on August 25, 2005. The provider is also known as Mary Ann Drinkhouse.

Q: What is Mary Ann Lillig's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Ann Lillig was last updated on April 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 25, 2005PECOS Enrolled

6301 E 125TH ST, GRANDVIEW, MO 64030(913) 660-1616 Get Directions Write a Review

NPPES record last updated: April 5, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Mary Ann Lillig D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARY ANN LILLIG D.O. (NPI 1902899834) is an individual internal medicine provider in Grandview, Missouri, licensed in Missouri (1999135661) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with Olathe Medical Center, and maintains a secondary practice location in Overland Park.

NPPES Registry Identity

NPI1902899834

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARY ANN LILLIGCredential: D.O.

Location Address6301 E 125TH STGrandview, MO 64030-1884

Mailing Address36123 Schoolcraft RdLivonia, MI 48150-1216 · (913) 660-1616

Phone(913) 660-1616

Sole ProprietorNo

Medical School CMSUniversity Of North Texas Hsc, College Of Osteopathic MedGraduated 1995

Enumeration DateAugust 25, 2005

Last NPPES UpdateApril 5, 2018

✔ NPI 1902899834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in MO · 1999135661✔ Licensed in KS · 05-28496

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

6301 E 125TH ST, Grandview, MO 64030

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Other Names 1

Other Name (5)Mary Ann Drinkhouse

Secondary Practice Location 1

Location 110540 Marty St Ste 100Overland Park, KS 66212-2560 · Phone (913) 660-1616 · Fax (913) 660-0998

Other Identifiers 5

Medicaid1902899834MO

Other26231025MO · Blue Shield Kc, Mo

Medicaid100351420BKS

Medicaid204776215MO

OtherP00345672KS · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas City.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Ann Lillig D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9335107184

PECOS Enrollment IDI20060517000028

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Mary Ann Lillig reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Inpatient Consultants Of Kansas PA

6.8 mi

Internal Medicine

10901 GRANADA LN, 200
Overland Park, KS 66211

Reassigned Medicare billing, Kansas and Missouri enrollments
Also billed through NPI 1861795635 (Missouri)
175 clinicians in this Medicare group

NPI 1548563737 (913) 660-1616

Kansas Post Acute Medical Services 1 PA

181 mi

Hospitalist

300 E CHICAGO AVE
Colwich, KS 67030

Reassigned Medicare billing, Kansas and Missouri enrollments
Medicare enrollment name: Cs Pacs 3 Midwest LLC
Also billed through NPI 1972368785 (Missouri)
90 clinicians in this Medicare group

NPI 1124557020 (865) 693-1000

Kansas Post Acute Medical Services 1 PA

181 mi

Hospitalist

300 E CHICAGO AVE
Colwich, KS 67030

Reassigned Medicare billing, Kansas enrollment
98 clinicians in this Medicare group

NPI 1124557020 (865) 693-1000

Ipc Pac Healthcare Services Of Missouri Inc

304 mi

Hospitalist

760 PLANTATION BLVD STE 210
Sikeston, MO 63801

Reassigned Medicare billing, Missouri enrollment
64 clinicians in this Medicare group

NPI 1326497587 (573) 471-0800

Nv Pacs 2 LLC

1,156 mi

Hospitalist

10550 PARK RUN DR
Las Vegas, NV 89144

Reassigned Medicare billing, Kansas and Missouri enrollments
94 clinicians in this Medicare group

NPI 1427534809 (865) 693-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

2,115 services573 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

395 services160 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

236 services161 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

205 services195 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

154 services151 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

105 services102 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

67 services66 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

63 services59 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

41 services35 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

39 services33 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

36 services22 patients

Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

23 services22 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Olathe Medical Center

Acute Care Hospitals · Olathe, KS

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number170049

Location20333 West 151st StreetOlathe, KS 66061 · Johnson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 64030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.61 typical visit price

range $55.29 – $168.52

Typical copayment $31.90 (range $13.82 – $42.13)

Most-billed visit code 99204

Established Patient

$97.82 typical visit price

range $17.60 – $137.20

Typical copayment $24.45 (range $4.40 – $34.30)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tracheostomy, inner cannula A4623

DME-Orthotic Devices · category DF000N

1 supplier13 claims678 services$5.71 avg. paid by Medicare

Tracheal suction catheter, any type other than closed system, each A4624

DME-Other DME · category DE000N

2 suppliers12 claims1,014 services$2.55 avg. paid by Medicare

Ostomy pouch, drainable; with barrier attached, (1 piece), each A5061

DME-Orthotic Devices · category DF010N

1 supplier20 claims362 services$3.22 avg. paid by Medicare

Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing A6196

DME-Medical/Surgical Supplies · category DA023N

3 suppliers12 claims259 services$6.68 avg. paid by Medicare

Canister, disposable, used with suction pump, each A7000

DME-Other DME · category DE000N

1 supplier13 claims26 services$7.54 avg. paid by Medicare

Tubing, used with suction pump, each A7002

DME-Other DME · category DE000N

2 suppliers14 claims27 services$3.70 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANN CULVER OTD, OTR/L

Occupational Therapist

6301 E 125TH ST
GRANDVIEW, MO 64030

Jackson County (816) 765-7714

UNITED INVESTORS LP

Skilled Nursing Facility

6301 E 125TH ST
GRANDVIEW, MO 64030

Jackson County (816) 765-7714

KELSY DARBY FNP

Nurse Practitioner (Family)

6301 E 125TH ST
GRANDVIEW, MO 64030

Jackson County (816) 765-7714

MIDAMERICARE LIMITED LIABILITY COMPANY

Psychologist

6301 E 125TH ST
GRANDVIEW, MO 64030

Jackson County (816) 516-7114

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Ann Lillig's NPI number?

The NPI number for Mary Ann Lillig is 1902899834. It was assigned to this individual provider in the NPPES registry on August 25, 2005. The provider is also known as Mary Ann Drinkhouse.

Where is Mary Ann Lillig located?

Mary Ann Lillig practices at 6301 E 125th St, Grandview, MO 64030. The listed phone number is (913) 660-1616.

What is Mary Ann Lillig's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mary Ann Lillig enrolled in Medicare?

Yes. Mary Ann Lillig is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Ann Lillig's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Ann Lillig reassigns Medicare benefits to 5 organizations: Inpatient Consultants Of Kansas PA (Overland Park, KS), Kansas Post Acute Medical Services 1 PA (Colwich, KS), Kansas Post Acute Medical Services 1 PA (Colwich, KS), Ipc Pac Healthcare Services Of Missouri Inc (Sikeston, MO) and Nv Pacs 2 LLC (Las Vegas, NV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Ann Lillig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Ann Lillig accept?

Health plans from Blue Cross and Blue Shield of Kansas City list Mary Ann Lillig as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Ann Lillig affiliated with any hospitals?

According to CMS data, Mary Ann Lillig is affiliated with Olathe Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Ann Lillig was last updated on April 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.