COREY J. LAGER MD
NPI 1295171189
Internal Medicine - Endocrinology, Diabetes & Metabolism in Portage, MI

Active since May 17, 2013PECOS EnrolledAccepts Medicare Assignment
84.88/100
CMS Quality Rating
7901 S 12TH ST STE 200, PORTAGE, MI 49024(269) 341-8585 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 5, 2020, Jul 16, 2020, Sep 2, 2016 (3 updates tracked since 2016).

About Corey J. Lager Md NPPES

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

COREY J. LAGER MD (NPI 1295171189) is an individual endocrinology, diabetes & metabolism provider in Portage, Michigan, licensed in Michigan (4301102688) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and maintains a secondary practice location in Ann Arbor.

NPPES Registry Identity

NPI1295171189
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameCOREY J. LAGERCredential: MD
Location Address7901 S 12TH ST STE 200Portage, MI 49024-3831
Mailing Address601 John St, Box 39Kalamazoo, MI 49007-5341
Sole ProprietorYes
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2013
Enumeration DateMay 17, 2013
Last NPPES UpdateNovember 27, 20233 updates tracked since enumeration
NPPES CertifiedOctober 5, 2020
NPI 1295171189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in MI · 4301102688
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
7901 S 12TH ST STE 200, Portage, MI 49024

Secondary Practice Location 1

Location 124 Frank Lloyd Wright Drive, Domino's Farms, Lobby G, Suite 1500Ann Arbor, MI 48106 · Phone (734) 647-5871

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Corey J. Lager 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 ID2264734268
PECOS Enrollment IDI20180725000480
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.

Areas of Expertise CMS Part B claims 7

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
254 services162 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
118 services49 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
62 services62 patients
Ultrasound scan of head and neck soft tissue 76536
An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.
35 services33 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
33 services21 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
29 services17 patients

Hospital Affiliations CMS Care Compare 4

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

Bronson Methodist Hospital

Acute Care Hospitals · Kalamazoo, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230017
Location601 John StreetKalamazoo, MI 49007 · Kalamazoo County
Emergency services Birthing friendly

Bronson Battle Creek Hospital

Acute Care Hospitals · Battle Creek, MI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number230075
Location300 North AvenueBattle Creek, MI 49017 · Calhoun County
Emergency services Birthing friendly

Bronson South Haven Hospital

Acute Care Hospitals · South Haven, MI
OwnershipGovernment - Hospital District or Authority
CMS Certification Number230085
Location955 S Bailey AveSouth Haven, MI 49090 · Van Buren County
Emergency services

Bronson Lakeview Hospital

Critical Access Hospitals · Paw Paw, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number231332
Location408 Hazen StreetPaw Paw, MI 49079 · Van Buren County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49024 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

84.88/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.29
Promoting Interoperability100
Improvement Activities40
Cost68.32

Referred Medical Equipment & Supplies CMS DME claims 7

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
7 suppliers57 claims655 services$16.95 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
7 suppliers55 claims1,890 services$2.04 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
13 suppliers34 claims197 services$6.68 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers15 claims35 services$1.13 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
3 suppliers66 claims66 services$311.26 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
7 suppliers34 claims4,200 services$6.83 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 6

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
7901 S 12TH ST STE 200
PORTAGE, MI 49024
Dietitian, Registered
7901 S 12TH ST STE 200
PORTAGE, MI 49024
Dietitian, Registered
7901 S 12TH ST STE 200
PORTAGE, MI 49024
Dietitian, Registered
7901 S 12TH ST STE 200
PORTAGE, MI 49024
Dietitian, Registered
7901 S 12TH ST STE 200
PORTAGE, MI 49024
Nurse Practitioner (Family)
7901 S 12TH ST STE 200
PORTAGE, MI 49024

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 Corey Lager's NPI number?

The NPI number for Corey Lager is 1295171189. It was assigned to this individual provider in the NPPES registry on May 17, 2013.

Where is Corey Lager located?

Corey Lager practices at 7901 S 12th St Ste 200, Portage, MI 49024. The listed phone number is (269) 341-8585.

What is Corey Lager's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Corey Lager enrolled in Medicare?

Yes. Corey Lager 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.

What insurance does Corey Lager accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Corey Lager 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 Corey Lager affiliated with any hospitals?

According to CMS data, Corey Lager is affiliated with Bronson Methodist Hospital, Bronson Battle Creek Hospital, Bronson South Haven Hospital and Bronson Lakeview Hospital.

When was this NPI record last updated?

The NPPES record for Corey Lager was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.