WILLIAM H MOLLOHAN D.O.
NPI 1720006919
Internal Medicine in Naperville, IL

Q: What is William Mollohan's NPI number?

The NPI number for William Mollohan is 1720006919. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Q: What is William Mollohan'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 William Mollohan was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 July 17, 2006PECOS EnrolledAccepts Medicare Assignment

535 FAIRWAY DR, SUITE 107, NAPERVILLE, IL 60563(630) 548-5936(630) 548-5940 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About William H Mollohan D.o. NPPES

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

WILLIAM H MOLLOHAN D.O. (NPI 1720006919) is an individual internal medicine provider in Naperville, Illinois and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Oklahoma State University College Of Osteopathic Medicine (1985).

NPPES Registry Identity

NPI1720006919

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameWILLIAM H MOLLOHANCredential: D.O.

Location Address535 FAIRWAY DR, SUITE 107Naperville, IL 60563-3938

Mailing AddressPo Box 245Eola, IL 60519-0245 · (630) 548-5936 · Fax (630) 548-5940

Phone(630) 548-5936

Fax(630) 548-5940

Sole ProprietorNo

Medical School CMSOklahoma State University College Of Osteopathic MedicineGraduated 1985

Enumeration DateJuly 17, 2006

Last NPPES UpdateJuly 9, 2007

✔ NPI 1720006919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

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.

535 FAIRWAY DR, Naperville, IL 60563

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Other Identifiers 4

Medicare ID-Type Unspecified207585IL · Medicare Provider Number

Medicare ID-Type UnspecifiedK08025IL · Medicare Number

Medicare UPINC45086IL

Medicaid200236IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.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

William H Mollohan D.o. 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 ID7618878463

PECOS Enrollment IDI20040512001121

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 14

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.

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

178 services85 patients

Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350

An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.

113 services70 patients

Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow G0181

This service involves a physician overseeing your care while you receive Medicare-covered services from a home health agency. The care you're receiving is complex and involves various disciplines. The physician isn't physically present but regularly supervises your treatment to ensure optimal health outcomes.

73 services48 patients

Blood glucose (sugar) test performed by hand-held instrument 82962

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

70 services32 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

39 services18 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

39 services37 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

38 services29 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

34 services27 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.

31 services25 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.

26 services21 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

15 services15 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

15 services15 patients

Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service) G0506

This service involves a thorough evaluation of patients needing ongoing care for chronic conditions. It includes creating a tailored care plan, coordinating with healthcare providers, and monitoring progress regularly. The goal is to provide optimal, personalized care for your long-term health needs.

15 services15 patients

Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes 99344

A new patient home visit is a comprehensive service where a healthcare professional visits your home for about an hour. This visit includes an overall health assessment, discussion about your medical history, and planning for future healthcare needs. The goal is to understand your health status and provide personalized care.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60563 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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 11

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

LINCOLN MEDICAL ASSOCIATES,S.C.

Internal Medicine

535 FAIRWAY DR, SUITE 107
NAPERVILLE, IL 60563

Dupage County (630) 548-5936

FAMILY URGENT CARE INC

Clinic/Center

535 FAIRWAY DR, SUITE 107
NAPERVILLE, IL 60563

Dupage County (773) 852-5345

DR. ELIZABETH DREW SPENCE D.M.D.

Dentist (General Practice)

535 FAIRWAY DR, 135
NAPERVILLE, IL 60563

Dupage County (630) 548-4140

PRIME IMMEDIATE AND PRIMARY CARE INCORPORATED

Family Medicine

535 FAIRWAY DR, SUITE 107
NAPERVILLE, IL 60563

Dupage County (630) 857-3967

FARNSWORTH EYE CARE, PC

Clinic/Center (Health Service)

535 FAIRWAY DR, STE 127
NAPERVILLE, IL 60563

Dupage County (630) 428-3937

FOUZIA MUHAMMEDKARIM MD

Family Medicine

535 FAIRWAY DR, SUITE #107
NAPERVILLE, IL 60563

Dupage County (857) 396-7630

PRIMEIMMEDIATEANDPRIMARYCARE

Clinic/Center (Primary Care)

535 FAIRWAY DR, SUITE #107
NAPERVILLE, IL 60563

Dupage County (630) 857-3967

KEVIN BRIAN RIGGS PA-C, MPAS

Physician Assistant (Medical)

535 FAIRWAY DR, SUITE 107
NAPERVILLE, IL 60563

Dupage County (630) 548-5936

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 William Mollohan's NPI number?

The NPI number for William Mollohan is 1720006919. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is William Mollohan located?

William Mollohan practices at 535 Fairway Dr Suite 107, Naperville, IL 60563. The listed phone number is (630) 548-5936.

What is William Mollohan's specialty?

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

Is William Mollohan enrolled in Medicare?

Yes. William Mollohan 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 William Mollohan accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list William Mollohan 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.

When was this NPI record last updated?

The NPPES record for William Mollohan was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.