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Edit this profileWhere to find Anthony D. Williams, M.D.
- Southfield location main office
23077 Greenfield Rd, Ste 231, Southfield, MI 48075 - Portage location
3304 Cooley Ct, Portage, MI 49024
About Dr. Williams
Anthony D. Williams, M.D. is a healthcare provider in Southfield, MI specializing in gastroenterology. Anthony trained at Wayne State University School of Medicine, graduating in 1993. According to Medicare claims data, Anthony cared for 228 Medicare patients across 236 services. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, and colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk. This provider record is associated with NPI 1245246354.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (248) 569-2160
- Email not available
Practice Locations
23077 GREENFIELD RD STE 231
Southfield, MI 48075
3304 Cooley Ct
Portage, MI 49024
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
236 services · 228 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
34 | Less often than most peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
19 | As often as other peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
11 | Less often than most peers in Gastroenterology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
48 | More often than most peers in Gastroenterology |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
32 | More often than most peers in Gastroenterology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
32 | As often as other peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
21 | Less often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
14 | Less often than most peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
13 | Less often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
12 | Less often than most peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Southfield 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Wayne State University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Wayne State University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in MI who bill this service to Medicare most often.
Common questions
What is Anthony D. Williams's specialty?
Anthony D. Williams is a gastroenterologist in Southfield, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Anthony D. Williams?
Anthony D. Williams is listed at 23077 Greenfield Rd Ste 231, Southfield, MI 48075. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Anthony D. Williams?
The number on file is (248) 569-2160. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Anthony D. Williams's NPI number?
Anthony D. Williams's National Provider Identifier is 1245246354. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Anthony D. Williams's education?
Anthony D. Williams attended Wayne State University School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Anthony D. Williams been practicing?
Anthony D. Williams has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What is Anthony D. Williams known for?
According to Medicare billing data, Anthony D. Williams performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Anthony D. Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Anthony D. Williams. If this is you, claiming it is free.
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