WILLIAM L. CASE MD
NPI 1235161498
Internal Medicine - Gastroenterology in Mobile, AL

Q: What is William Case's NPI number?

The NPI number for William Case is 1235161498. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Q: What is William Case's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for William Case was last updated on August 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 07, 2006PECOS EnrolledAccepts Medicare Assignment

90.84/100

CMS Quality Rating

6701 AIRPORT BLVD, SUITE D-430, MOBILE, AL 36608(251) 639-2101(251) 639-9122 Get Directions Write a Review

NPPES record last updated: August 29, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About William L. Case Md NPPES

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

WILLIAM L. CASE MD (NPI 1235161498) is an individual gastroenterology provider in Mobile, Alabama, licensed in Alabama (13819) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1983).

NPPES Registry Identity

NPI1235161498

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameWILLIAM L. CASECredential: MD

Location Address6701 AIRPORT BLVD, SUITE D-430Mobile, AL 36608-6705

Mailing Address6701 Airport Blvd, Suite D-430Mobile, AL 36608-6705 · (251) 639-2101 · Fax (251) 639-9122

Phone(251) 639-2101

Fax(251) 639-9122

Sole ProprietorNo

Medical School CMSOtherGraduated 1983

Enumeration DateJuly 7, 2006

Last NPPES UpdateAugust 29, 2016

✔ NPI 1235161498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in AL · 13819

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

6701 AIRPORT BLVD, Mobile, AL 36608

Open in Google Maps ↗

Other Identifiers 2

Medicaid051507732AL

Medicare UPINC72935

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Magnolia Health, Ambetter Health, Ambetter of Alabama and more.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 L. Case Md 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 ID6608871587

PECOS Enrollment IDI20100408000162

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 18

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.

97 services84 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

68 services50 patients

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.

53 services52 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

49 services39 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.

45 services43 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

39 services38 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

30 services29 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.

24 services24 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

20 services20 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

19 services19 patients

Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery 45384

This procedure involves using a flexible tube with a camera, called an endoscope, to view the large intestine. If any abnormal growths or polyps are found, they are removed with an electrically-heated instrument. This is a common way to prevent bowel issues.

19 services19 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

18 services18 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

18 services17 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

18 services18 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

13 services13 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

12 services12 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

12 services12 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.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36608 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.84/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

81.68

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

100%132 patients5/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

95%892 patients4/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

95%740 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

73%1,052 patients3/55-star benchmark: 99%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

100%145 patients5/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

94%1,052 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

0%1,052 patients1/55-star benchmark: 59%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Leave this field empty

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.

MRS. LISA M MCKINLEY CRNA

Nurse Anesthetist, Certified Registered

6701 AIRPORT BLVD, SUITE 430
MOBILE, AL 36608

Mobile County (251) 631-3270

PROVIDENCE HEALTHCARE SERVICES

Obstetrics & Gynecology (Gynecologic Oncology)

6701 AIRPORT BLVD, SUITE B127
MOBILE, AL 36608

Mobile County (251) 631-3490

SETON MEDICAL MANAGEMENT INC.

Nurse Practitioner

6701 AIRPORT BLVD, SUITE C132
MOBILE, AL 36608

Mobile County (251) 631-3501

PETER CHESTNUTT COATS M.D.

Internal Medicine

6701 AIRPORT BLVD, SUITE A-101
MOBILE, AL 36608

Mobile County (251) 633-8880

MOBILE SURGERY CLINICS

Surgery

6701 AIRPORT BLVD, D231
MOBILE, AL 36608

Mobile County (251) 631-3530

BLANKENSHIP GENERAL SURGERY, LLC

Surgery

6701 AIRPORT BLVD, SUITE B-316
MOBILE, AL 36608

Mobile County (251) 634-2900

DR. CHRYSTAL MICHELLE GRIFFIS M.D.

Internal Medicine

6701 AIRPORT BLVD, SUITE A101
MOBILE, AL 36608

Mobile County (251) 633-8880

WARREN E. KOFFLER M.D.

Internal Medicine

6701 AIRPORT BLVD, SUITE A-101
MOBILE, AL 36608

Mobile County (251) 633-8880

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 Case's NPI number?

The NPI number for William Case is 1235161498. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is William Case located?

William Case practices at 6701 Airport Blvd Suite D-430, Mobile, AL 36608. The listed phone number is (251) 639-2101.

What is William Case's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is William Case enrolled in Medicare?

Yes. William Case 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 Case accept?

Health plans from Ambetter Health, Ambetter from Magnolia Health, Ambetter of Alabama, Ambetter of Tennessee and Blue Cross and Blue Shield of Alabama and 4 other insurers list William Case 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 Case was last updated on August 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.