John Northup, M.D.
NPI 1023232527 · Gastroenterology Physician · Savannah, GA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Northup, M.D. is a Gastroenterology Physician provider in Savannah, GA (NPI 1023232527).
Provider details
- NPI number
- 1023232527
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 016651 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
999 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 607 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $84 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 58 | $164 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 48 | $13 |
| X-Ray of Chest, 2 Views71046 | 46 | $30 |
| X-Ray of Abdomen, 2 Views74019 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 133 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ezetimibe | 349 | 106 |
| Famotidine | 220 | 59 |
| Atorvastatin Calcium | 206 | 62 |
| Amlodipine Besylate | 206 | 61 |
| Pantoprazole Sodium | 173 | 59 |
| Levothyroxine Sodium | 172 | 45 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,380 across 66 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-13
- Last updated
- 2014-01-03
Frequently asked questions
- What is John Northup's NPI number?
- John Northup's National Provider Identifier (NPI) is 1023232527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Northup's specialty?
- John Northup is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Northup located?
- John Northup's practice location on file with NPPES is 12345 Mercy Blvd, Savannah, GA 31419-3436.
- What is John Northup's phone number?
- The practice phone number listed in the NPPES registry for John Northup is (912) 927-3046.
- Does John Northup accept Medicare?
- John Northup is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Northup's NPI active?
- Yes — John Northup's NPI (1023232527) is active in the NPPES registry as of the last update on 2014-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.