Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STACY WILLIAMS CRNP
NPI 1538688742
Internal Medicine in Birmingham, AL

Active since September 19, 2017PECOS EnrolledAccepts Medicare Assignment
1720 2ND AVE S, BIRMINGHAM, AL 35294(205) 934-0866 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 10, 2026, Sep 19, 2017 (2 updates tracked since 2017).

About Stacy Williams Crnp NPPES

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

STACY WILLIAMS CRNP (NPI 1538688742) is an individual internal medicine provider in Birmingham, Alabama, licensed in Utah (10439850-4405) and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1538688742
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSTACY WILLIAMSCredential: CRNP
Location Address1720 2ND AVE SBirmingham, AL 35294-0004
Mailing Address8209 Matson CirTrussville, AL 35173-5218
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateSeptember 19, 2017
Last NPPES UpdateJuly 10, 20262 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
NPI 1538688742 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in UT · 10439850-4405
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.
Also ListedNurse PractitionerTaxonomy 363L00000X · License 1-132538 (AL)
1720 2ND AVE S, Birmingham, AL 35294

Other Identifiers 1

Other10439850-4405UT · State Of Utah Department Of Commerce

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

Stacy Williams Crnp 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 ID9335490796
PECOS Enrollment IDI20180924002393
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 5

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.

Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
36 services36 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
35 services35 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.
32 services28 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
31 services31 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.
23 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35294 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
$122.31 typical visit price
range $52.65 – $161.63
Typical copayment $30.57 (range $13.16 – $40.40)
Most-billed visit code 99204
Established Patient
$93.72 typical visit price
range $16.56 – $131.65
Typical copayment $23.43 (range $4.14 – $32.91)
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.

Student in an Organized Health Care Education/Training Program
1720 2ND AVE S
BIRMINGHAM, AL 35294
Student in an Organized Health Care Education/Training Program
1720 2ND AVE S
BIRMINGHAM, AL 35294
Registered Nurse
1720 2ND AVE S
BIRMINGHAM, AL 35294
Registered Nurse
1720 2ND AVE S
BIRMINGHAM, AL 35294
Nurse Practitioner (Adult Health)
1720 2ND AVE S
BIRMINGHAM, AL 35294
Student in an Organized Health Care Education/Training Program
1720 2ND AVE S
BIRMINGHAM, AL 35294
Nurse Practitioner (Acute Care)
1720 2ND AVE S
BIRMINGHAM, AL 35294
Nurse Practitioner (Acute Care)
1720 2ND AVE S
BIRMINGHAM, AL 35294

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 Stacy Williams's NPI number?

The NPI number for Stacy Williams is 1538688742. It was assigned to this individual provider in the NPPES registry on September 19, 2017.

Where is Stacy Williams located?

Stacy Williams practices at 1720 2nd Ave S, Birmingham, AL 35294. The listed phone number is (205) 934-0866.

What is Stacy Williams's specialty?

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

Is Stacy Williams enrolled in Medicare?

Yes. Stacy 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 Stacy Williams accept?

Health plans from Blue Cross and Blue Shield of Alabama, Oscar Insurance Company and UnitedHealthcare list Stacy 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.

When was this NPI record last updated?

The NPPES record for Stacy Williams was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days 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.