DR. WILLIAM KARLE FLATLEY D.O.
NPI 1790058683
Hospitalist in Lewisburg, PA

Active since February 22, 2012PECOS EnrolledAccepts Medicare Assignment
1 HOSPITAL DR, LEWISBURG, PA 17837(570) 522-4264(570) 768-3709 Get Directions Write a Review

NPPES record last updated: April 2, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Apr 2, 2026, Jun 8, 2022, Mar 6, 2020 and 2 more (5 updates tracked since 2015).

About Dr. William Karle Flatley D.o. NPPES

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

DR. WILLIAM KARLE FLATLEY D.O. (NPI 1790058683) is an individual hospitalist provider in Lewisburg, Pennsylvania, licensed in Pennsylvania (OS017628) and active in the NPI registry since February 2012. He is enrolled in Medicare PECOS, is affiliated with Geisinger Medical Center, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2012).

NPPES Registry Identity

NPI1790058683
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. WILLIAM KARLE FLATLEYCredential: D.O.
Location Address1 HOSPITAL DRLewisburg, PA 17837-9350
Mailing Address601 Memory LnYork, PA 17402-2231 · (717) 851-1405 · Fax (717) 851-6969
Fax(570) 768-3709
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2012
Enumeration DateFebruary 22, 2012
Last NPPES UpdateApril 2, 20265 updates tracked since enumeration
NPPES CertifiedApril 2, 2026
NPI 1790058683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in PA · OS017628
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 ListedEmergency MedicineTaxonomy 207P00000X · License OS017628 (PA)
Also ListedFamily MedicineTaxonomy 207Q00000X · License OS017628 (PA)
Also ListedInternal MedicineTaxonomy 207R00000X · License OS017628 (PA)
1 HOSPITAL DR, Lewisburg, PA 17837

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

Dr. William Karle Flatley 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 ID7416278981
PECOS Enrollment IDI20150609001992
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.

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.
150 services144 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.
93 services89 patients

Hospital Affiliations CMS Care Compare 2

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

Geisinger Medical Center

Acute Care Hospitals · Danville, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390006
Location100 North Academy AvenueDanville, PA 17822 · Montour County
Emergency services Birthing friendly

Evangelical Community Hospital

Acute Care Hospitals · Lewisburg, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390013
LocationOne Hospital DriveLewisburg, PA 17837 · Union County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17837 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

Pathology (Anatomic Pathology & Clinical Pathology)
1 HOSPITAL DR
LEWISBURG, PA 17837
Pharmacist
1 HOSPITAL DR
LEWISBURG, PA 17837
Hospitalist
1 HOSPITAL DR
LEWISBURG, PA 17837
Nurse Practitioner (Family)
1 HOSPITAL DR
LEWISBURG, PA 17837
Physician Assistant (Medical)
1 HOSPITAL DR
LEWISBURG, PA 17837
Ambulance (Land Transport)
1 HOSPITAL DR
LEWISBURG, PA 17837
Hospitalist
1 HOSPITAL DR
LEWISBURG, PA 17837

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 Flatley's NPI number?

The NPI number for William Flatley is 1790058683. It was assigned to this individual provider in the NPPES registry on February 22, 2012.

Where is William Flatley located?

William Flatley practices at 1 Hospital Dr, Lewisburg, PA 17837. The listed phone number is (570) 522-4264.

What is William Flatley's specialty?

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

Is William Flatley enrolled in Medicare?

Yes. William Flatley 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 William Flatley affiliated with any hospitals?

According to CMS data, William Flatley is affiliated with Geisinger Medical Center and Evangelical Community Hospital.

When was this NPI record last updated?

The NPPES record for William Flatley was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.