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Edit this profileAt a glance
- 12345 Mercy Blvd, Savannah, GA 31419
About Dr. Northup
John D. Northup, M.D. practices gastroenterology in Savannah, GA. John is a 1967 graduate of Yale University School of Medicine. Medicare claims data shows John provided 999 services to 535 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. The provider's National Provider Identifier (NPI) is 1023232527.
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
- (912) 927-3046
- Email not available
Practice Locations
12345 MERCY BLVD
Savannah, GA 31419
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
Chronic conditions
Liver health
Specialized and cancer
Wound care
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
Advanced endoscopy
Biliary and pancreatic endoscopy
Capsule and physiology testing
- Ambulatory reflux monitoring
- Capsule endoscopy
- Hydrogen and methane breath testing
- Anorectal manometry
- Esophageal manometry
Chronic illness
Clinical Nutrition
Diagnostic Testing
Digestive
General surgery
Infection & Microbiology Tests
Liver procedures
Lower endoscopy
- Colon polyp removal
- Diagnostic colonoscopy
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
Nutrition & Digestion
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Esophageal dilation
- Stomach biopsy
- Endoscopic submucosal dissection
Most searched procedures
Treatments
Procedures Most Often Billed to Medicare
999 services · 535 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
46 | Too few peers to compare |
| X-ray of abdomen, 2 views | Imaging | 74019 |
44 | Too few peers to compare |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
39 | More often than most peers in Gastroenterology |
| Ultrasound scan of organ tissue for measuring elasticity | Imaging | 76981 |
15 | Less often than most peers in Gastroenterology |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
12 | Too few peers to compare |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
48 | As often as other peers in Gastroenterology |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
31 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
607 | More 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 |
68 | 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 |
58 | More 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 1
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.
Other gastroenterologists in Savannah 7
Same specialty, same city.
More connections — 13 related providers in 2 groups
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1967 at Yale University School of Medicine 5
Providers who graduated from the same medical school in the same year.
Common questions
What is John D. Northup's specialty?
John D. Northup is a gastroenterologist in Savannah, GA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find John D. Northup?
John D. Northup is listed at 12345 Mercy Blvd, Savannah, GA 31419. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John D. Northup?
The number on file is (912) 927-3046. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John D. Northup?
John D. Northup's National Provider Identifier is 1023232527. 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 John D. Northup's education?
John D. Northup attended Yale University School of Medicine, graduating in 1967. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John D. Northup have?
John D. Northup has 59 years experience. Calculated from a graduation year of 1967, reported in the CMS National Downloadable File.
CMS public data
What is John D. Northup known for?
According to Medicare billing data, John D. Northup performs imaging including x-ray of chest, 2 views and x-ray of abdomen, 2 views; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and ultrasound of both sides of head and neck blood flow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John D. Northup's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John D. Northup. If this is you, claiming it is free.
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