Physician Profile
John D. Northup, M.D.
Unclaimed ProfileAbout 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
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
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
- Acute pancreatitis
- Gallstones
- Pancreatic cysts
- Primary sclerosing cholangitis
Colon and anorectal
- Anal fissure
- Colon cancer
- Colon polyps
- Lower gastrointestinal bleeding
Esophagus and swallowing
- Barrett's esophagus
- Eosinophilic esophagitis
- Esophageal stricture
- Esophagitis
Functional bowel and motility
- Chronic diarrhea
- Fecal incontinence
- Small intestinal bacterial overgrowth
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
- Functional dyspepsia
- Gastritis
- Gastroparesis
- H. pylori infection
- Peptic ulcer disease
Bowel & Colon
- Diverticulitis
Digestive Symptoms
- Constipation
Gallbladder & Bile Ducts
- Blocked Bile Duct
Procedures & services
Most searched procedures
- Colonoscopy
- Endoscopy
- Gallbladder removal
- Hernia repair
- Liver biopsy
Lower endoscopy
- Colon polyp removal
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Upper endoscopy
- Endoscopic submucosal dissection
- Esophageal dilation
Capsule and physiology testing
- Anorectal manometry
- Capsule endoscopy
- Esophageal manometry
Diagnostic Testing
- 24-Hour Acid Reflux Test
- EUS-Guided Fine Needle Biopsy
- H. Pylori Breath Test
- SIBO Breath Test
Liver procedures
- Esophageal variceal banding
- Liver elastography
- Paracentesis
Treatments
- Stool Transplant
Procedures Most Often Billed to Medicare
999 services · 535 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
46 |
| X-ray of abdomen, 2 views | Imaging | 74019 |
44 |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
39 |
| Ultrasound scan of organ tissue for measuring elasticity | Imaging | 76981 |
15 |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
12 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
48 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
31 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
607 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
68 |
| 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 |
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 — 20 related providers in 3 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.
Also performs X-ray of chest, 2 views 7
Providers in GA who bill this service to Medicare most often.
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.