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MS. MARY ANN HOLEM FNP-BC
NPI 1972897791
Nurse Practitioner - Family in Crystal Lake, IL

Active since June 09, 2011PECOS EnrolledAccepts Medicare Assignment
360 STATION DR, CRYSTAL LAKE, IL 60014(815) 338-6600(815) 455-8044 Get Directions Write a Review

NPPES record last updated: October 19, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 19, 2018, May 17, 2018, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Ms. Mary Ann Holem Fnp-bc NPPES

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

MS. MARY ANN HOLEM FNP-BC (NPI 1972897791) is an individual family provider in Crystal Lake, Illinois, licensed in Illinois (209008856) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Advocate Condell Medical Center, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1972897791
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. MARY ANN HOLEMCredential: FNP-BC
Location Address360 STATION DRCrystal Lake, IL 60014
Mailing Address360 Station DrCrystal Lake, IL 60014-7978 · (815) 338-6600 · Fax (815) 455-8044
Phone(815) 338-6600
Fax(815) 455-8044
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJune 9, 2011
Last NPPES UpdateOctober 19, 20184 updates tracked since enumeration
✔ NPI 1972897791 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IL · 209008856
Also ListedNurse PractitionerTaxonomy 363L00000X · License 209008856 (IL)
360 STATION DR, Crystal Lake, IL 60014
Open in Google Maps ↗

Secondary Practice Locations 4

Location 12520 Elisha AveZion, IL 60099-2676 · Phone (847) 872-4561 ext. 6220
Location 21925 Huntley RdWest Dundee, IL 60118-9301 · Phone (815) 338-6600 · Fax (847) 426-5162
Location 32507 N Richmond RdMcHenry, IL 60051-5407 · Phone (815) 338-6600 · Fax (815) 385-3255
Location 410350 Haligus RdHuntley, IL 60142-9545 · Phone (815) 338-6600 · Fax (847) 802-7112

Other Identifiers 1

Other209008856IL · State License

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

Ms. Mary Ann Holem Fnp-bc 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 ID6608034806
PECOS Enrollment IDI20120220000445
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 2

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.
61 services57 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.
45 services45 patients

Hospital Affiliations CMS Care Compare

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

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140202
Location801 S Milwaukee AveLibertyville, IL 60048 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60014 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
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
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.

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.

SANDRA JAESCHKE CNP
Nurse Practitioner
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 338-6600
MRS. JENNA T WINSKO ANP-BC
Nurse Practitioner (Adult Health)
360 STATION DR, SUITE 120
CRYSTAL LAKE, IL 60014
McHenry County (815) 477-8900
MARIA JUANITA AVINA RN
Registered Nurse (Diabetes Educator)
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 356-2382
CHRISTOPHER M NORTHERN PA
Physician Assistant
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 356-2330
KATHLEEN L KRETCHMER R.N., C.D.E
Registered Nurse (Diabetes Educator)
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 338-6600
NIRAL B PATEL M.D.
Family Medicine
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 338-6600
YANBING LI M.D.
Family Medicine
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 338-6600
CHILDREN'S PHYSICIAN GROUP
Pediatrics (Pediatric Cardiology)
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 338-6600

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 Holem's NPI number?

The NPI number for Mary Holem is 1972897791. It was assigned to this individual provider in the NPPES registry on June 9, 2011.

Where is Mary Holem located?

Mary Holem practices at 360 Station Dr, Crystal Lake, IL 60014. The listed phone number is (815) 338-6600.

What is Mary Holem's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mary Holem enrolled in Medicare?

Yes. Mary Holem 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.

Is Mary Holem affiliated with any hospitals?

According to CMS data, Mary Holem is affiliated with Advocate Condell Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Holem was last updated on October 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.