Based in Herrin, IL, Jeffrey Mark Jacobs, M.D. is listed in the NPI registry under gastroenterology. Jeffrey graduated from Jefferson Medical College of Thomas Jefferson University in 1985. According to Medicare claims data, Jeffrey cared for 735 Medicare patients across 794 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Jacobs is a gastroenterology in Herrin, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Dr. Jacobs is listed at 201 S 14TH ST, Herrin, IL 62948. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (618) 942-2171. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Jacobs's National Provider Identifier is 1174524136. 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
Dr. Jacobs attended Jefferson Medical College of Thomas Jefferson University, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. Jacobs has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Jacobs performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope; provides treatments such as administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Jacobs. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
201 S 14TH ST
Herrin, IL 62948
794 services · 735 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
108 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
70 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
23 |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
22 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
204 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
144 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
61 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
54 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
36 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileConnections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.