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Edit this profileAt a glance
- 1001 Potrero Avenue, Rm 3D5, San Francisco, CA 94110
About Dr. Maher
Jacquelyn J. Maher, MD practices gastroenterology in San Francisco, CA. Jacquelyn is a 1979 graduate of Duke University School of Medicine. Medicare claims data shows Jacquelyn provided 143 services to 128 patients. The services billed most often include moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. The provider's National Provider Identifier (NPI) is 1457454951.
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
- (415) 206-8822
- Email not available
Practice Locations
1001 POTRERO AVENUE RM 3D5
San Francisco, CA 94110
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
143 services · 128 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
16 | Less often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
13 | Less often than most peers in Gastroenterology |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
40 | As often as other peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
27 | Less often than most peers in Gastroenterology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
27 | 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 |
20 | 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 San Francisco 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Duke University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at Duke University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Maher's specialty?
Dr. Maher is a gastroenterologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Dr. Maher?
Dr. Maher is listed at 1001 Potrero Avenue Rm 3D5, San Francisco, CA 94110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Maher?
The number on file is (415) 206-8822. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Maher?
Dr. Maher's National Provider Identifier is 1457454951. 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 Dr. Maher's medical education?
Dr. Maher attended Duke University School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Maher have?
Dr. Maher has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Maher known for?
According to Medicare billing data, Dr. Maher performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of esophagus, stomach, and/or upper small 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
Is Dr. Maher's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Maher. If this is you, claiming it is free.
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