DR. NEIL JOSEPH MIER MD
NPI 1891354593
Hospitalist in Palos Heights, IL

Q: What is Neil Mier's NPI number?

The NPI number for Neil Mier is 1891354593. It was assigned to this individual provider in the NPPES registry on June 7, 2019.

Q: What is Neil Mier's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Neil Mier was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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 June 07, 2019PECOS EnrolledAccepts Medicare Assignment

89.66/100

CMS Quality Rating

12251 S 80TH AVE, PALOS HEIGHTS, IL 60463(708) 923-4000(708) 923-5859 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 13, 2026, Oct 5, 2022, Aug 31, 2022 and 2 more (5 updates tracked since 2019).

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About Dr. Neil Joseph Mier Md NPPES

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

DR. NEIL JOSEPH MIER MD (NPI 1891354593) is an individual hospitalist provider in Palos Heights, Illinois, licensed in Illinois (036160532) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1891354593

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameDR. NEIL JOSEPH MIERCredential: MD

Location Address12251 S 80TH AVEPalos Heights, IL 60463-1290

Mailing Address12251 S 80th AvePalos Heights, IL 60463-1290 · (708) 923-4000 · Fax (708) 923-5859

Phone(708) 923-4000

Fax(708) 923-5859

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateJune 7, 2019

Last NPPES UpdateJanuary 13, 20265 updates tracked since enumeration

NPPES CertifiedJanuary 13, 2026

✔ NPI 1891354593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in IL · 036160532

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License 036160532 (IL)

12251 S 80TH AVE, Palos Heights, IL 60463

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Other Identifiers 1

Other036160532IL · State License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Neil Joseph Mier Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739560269

PECOS Enrollment IDI20220714004103

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 Neil Mier reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Dupage Physician Group

18 mi

Family Medicine

5777 DEPARTMENT
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
1,664 clinicians in this Medicare group

NPI 1033149844 (630) 933-3300

Endeavor Health Medical Group

28 mi

Allergy & Immunology

1000 CENTRAL ST
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1497701882 (847) 570-5235

Northwest Community Health Services Inc

29 mi

Obstetrics

880 W CENTRAL RD STE 6200
Arlington Heights, IL 60005

Reassigned Medicare billing, Illinois enrollment
346 clinicians in this Medicare group

NPI 1467057513 (847) 618-0730

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 5

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.

543 services240 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.

251 services127 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.

251 services238 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.

141 services141 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.

14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140062

Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County

Emergency services Birthing friendly

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140252

Location800 W Central RoadArlington Heights, IL 60005 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60463 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.66/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

79.32

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

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

MATTHEW SCOTT KOMINSKY MD

Anesthesiology

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-4000

NOOR BADER APRN, CRNA

Nurse Anesthetist, Certified Registered

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-3936

DR. JOSEPH C BREMER JR. M.D.

Emergency Medicine

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-5800

MARIKAY T GAZDA LCSW

Social Worker (Clinical)

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-4941

MICHAEL J BAUTISTA M.D.

Anesthesiology

12251 S 80TH AVE, PALOS COMMUNITY HOSPITAL
PALOS HEIGHTS, IL 60463

Cook County (708) 923-5700

VALERIE SAFFAR APRN, CNP

Nurse Practitioner

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-5869

WINSTON DANG MD

Hospitalist

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-4000

EMILY MACKANIN PT

Physical Therapist

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-3368

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 Neil Mier's NPI number?

The NPI number for Neil Mier is 1891354593. It was assigned to this individual provider in the NPPES registry on June 7, 2019.

Where is Neil Mier located?

Neil Mier practices at 12251 S 80th Ave, Palos Heights, IL 60463. The listed phone number is (708) 923-4000.

What is Neil Mier's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Neil Mier enrolled in Medicare?

Yes. Neil Mier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Neil Mier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Neil Mier reassigns Medicare benefits to 3 organizations: Central Dupage Physician Group (Carol Stream, IL), Endeavor Health Medical Group (Evanston, IL) and Northwest Community Health Services Inc (Arlington Heights, IL). 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 Neil Mier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Neil Mier affiliated with any hospitals?

According to CMS data, Neil Mier is affiliated with Palos Community Hospital and Northwest Community Hospital 1.

When was this NPI record last updated?

The NPPES record for Neil Mier was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.