JAMES E HARLEY MD
NPI 1174582738
Hospitalist in Mchenry, IL

Q: What is James Harley's NPI number?

The NPI number for James Harley is 1174582738. It was assigned to this individual provider in the NPPES registry on March 22, 2006.

Q: What is James Harley'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 James Harley was last updated on March 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 March 22, 2006PECOS Enrolled

4309 W MEDICAL CENTER DR STE A102, MCHENRY, IL 60050(815) 338-6600 Get Directions Write a Review

NPPES record last updated: March 1, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 1, 2023, Jul 21, 2022, Mar 17, 2018 and 2 more (5 updates tracked since 2017).

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About James E Harley Md NPPES

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

JAMES E HARLEY MD (NPI 1174582738) is an individual hospitalist provider in Mchenry, Illinois, licensed in Illinois (036096836) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1174582738

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameJAMES E HARLEYCredential: MD

Location Address4309 W MEDICAL CENTER DR STE A102Mchenry, IL 60050-8436

Mailing Address4309 W Medical Center Dr Ste A102Mchenry, IL 60050-8436 · (815) 338-6600

Phone(815) 338-6600

Sole ProprietorNo

Enumeration DateMarch 22, 2006

Last NPPES UpdateMarch 1, 20235 updates tracked since enumeration

NPPES CertifiedMarch 1, 2023

✔ NPI 1174582738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in IL · 036096836

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 036-096836 (IL)

Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License 036096836 (IL), 01050245 (IN)

4309 W MEDICAL CENTER DR STE A102, Mchenry, IL 60050

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Secondary Practice Locations 2

Location 12222 W Division St, Suite 205Chicago, IL 60622-2990 · Phone (773) 486-8820 · Fax (773) 227-3753

Location 2800 W Central RdArlington Heights, IL 60005-2349 · Phone (877) 635-9229 · Fax (847) 618-3259

Other Identifiers 4

Other615318700IL · Us Dept Of Labor: 2222 W. Division St - Loc 2

Other615318701IL · Us Dept Of Labor: 2001 S. California Ave - Loc 1

Other036096836IL · State License

Medicaid200224170IN

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James E Harley Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 James Harley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwest Community Health Services Inc

21 mi

Internal Medicine

3040 W SALT CREEK LN
Arlington Heights, IL 60005

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

NPI 1134433154 (847) 618-3481

Endeavor Health Medical Group

35 mi

Anesthesiology

2650 RIDGE AVE, ANESTHESIOLOGY ROOM 3905
Evanston, IL 60201

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

NPI 1265695944 (847) 570-2760

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 3

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.

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.

380 services367 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.

92 services92 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60050 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

$127.46 typical visit price

range $54.80 – $168.44

Typical copayment $31.86 (range $13.70 – $42.11)

Most-billed visit code 99204

Established Patient

$97.25 typical visit price

range $17.16 – $136.56

Typical copayment $24.31 (range $4.29 – $34.14)

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.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

38%247 patients2/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 13

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

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Hospitalist