MARY ELLEN WILLIAMS D.O.
NPI 1093855793
Family Medicine in Whitehall, PA

Active since February 08, 2007PECOS EnrolledAccepts Medicare Assignment
3691 CRESCENT CT E STE 201, WHITEHALL, PA 18052(610) 434-9561 Get Directions Write a Review

NPPES record last updated: July 19, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mary Ellen Williams D.o. NPPES

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

MARY ELLEN WILLIAMS D.O. (NPI 1093855793) is an individual family medicine provider in Whitehall, Pennsylvania, licensed in Pennsylvania (OS008484L) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Lehigh Valley Hospital, and maintains a secondary practice location in Emmaus.

NPPES Registry Identity

NPI1093855793
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMARY ELLEN WILLIAMSCredential: D.O.
Location Address3691 CRESCENT CT E STE 201Whitehall, PA 18052-3433
Mailing Address4801 Saucon Creek Rd, Ste 110Center Valley, PA 18034-9068 · (610) 625-2010 · Fax (610) 625-2314
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 1993
Enumeration DateFebruary 8, 2007
Last NPPES UpdateJuly 19, 2023
NPPES CertifiedJuly 19, 2023
NPI 1093855793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in PA · OS008484L
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3691 CRESCENT CT E STE 201, Whitehall, PA 18052

Other Names 1

Former Name (1)Maryellen W Kistler-strout D.o.

Secondary Practice Location 1

Location 11003 Chestnut StEmmaus, PA 18049-1902 · Phone (610) 625-2010 · Fax (610) 625-2314

Other Identifiers 1

Medicaid0016773350004PA

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

Mary Ellen Williams 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 ID8325196975
PECOS Enrollment IDI20090508000241
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.
120 services100 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
104 services94 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
72 services72 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.
31 services31 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.
29 services29 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
23 services22 patients

Hospital Affiliations CMS Care Compare

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

Lehigh Valley Hospital

Acute Care Hospitals · Allentown, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390133
Location1200 South Cedar Crest BoulevardAllentown, PA 18103 · Lehigh County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18052 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
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 3

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

Family Medicine
3691 CRESCENT CT E STE 201
WHITEHALL, PA 18052
Family Medicine
3691 CRESCENT CT E STE 201
WHITEHALL, PA 18052
Family Medicine
3691 CRESCENT CT E STE 201
WHITEHALL, PA 18052

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 Ellen Williams's NPI number?

The NPI number for Mary Ellen Williams is 1093855793. It was assigned to this individual provider in the NPPES registry on February 8, 2007. The provider is also known as Maryellen W Kistler-Strout D.O..

Where is Mary Ellen Williams located?

Mary Ellen Williams practices at 3691 Crescent Ct E Ste 201, Whitehall, PA 18052. The listed phone number is (610) 434-9561.

What is Mary Ellen Williams's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mary Ellen Williams enrolled in Medicare?

Yes. Mary Ellen Williams 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 Mary Ellen Williams accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Mary Ellen Williams 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 Mary Ellen Williams affiliated with any hospitals?

According to CMS data, Mary Ellen Williams is affiliated with Lehigh Valley Hospital.

When was this NPI record last updated?

The NPPES record for Mary Ellen Williams was last updated on July 19, 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.