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Edit this profileAt a glance
- 45B Discovery Way, Acton, MA 01720
About Dr. Herzig
Gail M. Herzig, MD practices gastroenterology in Acton, MA. Gail is a 1988 graduate of Albany Medical College of Union University. According to Medicare claims data, Gail cared for 411 Medicare patients across 467 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1689608440.
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
- (978) 429-2010
- Email not available
Practice Locations
45B DISCOVERY WAY
Acton, MA 01720
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
467 services · 411 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
53 | As often as other peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
50 | As often as other peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
37 | As often as other 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 |
80 | More 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 |
60 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
60 | As often as other peers in Gastroenterology |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
59 | More 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 |
21 | As often as other 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 |
18 | Less often than most peers in Gastroenterology |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
16 | 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.
Other gastroenterologists at this location 6
Same specialty, same street address — most likely the same department or group.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Trained at Albany Medical College of Union University 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Albany Medical College of Union University 7
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 MA who bill this service to Medicare most often.
Common questions
What does Dr. Herzig specialize in?
Dr. Herzig is a gastroenterologist in Acton, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Dr. Herzig located?
Dr. Herzig is listed at 45B Discovery Way, Acton, MA 01720. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Herzig's phone number?
The number on file is (978) 429-2010. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Herzig's NPI number?
Dr. Herzig's National Provider Identifier is 1689608440. 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
Where did Dr. Herzig go to medical school?
Dr. Herzig attended Albany Medical College of Union University, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Herzig been practicing?
Dr. Herzig has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Herzig do most often?
According to Medicare billing data, Dr. Herzig performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Herzig confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Herzig. If this is you, claiming it is free.
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