DR. JOHN DAVID NORTHUP M.D.
NPI 1023232527
Internal Medicine - Gastroenterology in Savannah, GA

Q: What is John Northup's NPI number?

The NPI number for John Northup is 1023232527. It was assigned to this individual provider in the NPPES registry on April 13, 2007.

Q: What is John Northup's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for John Northup was last updated on January 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 13, 2007PECOS EnrolledAccepts Medicare Assignment

83.08/100

CMS Quality Rating

12345 MERCY BLVD, SAVANNAH, GA 31419(912) 927-3046(912) 925-0597 Get Directions Write a Review

NPPES record last updated: January 3, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. John David Northup M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN DAVID NORTHUP M.D. (NPI 1023232527) is an individual gastroenterology provider in Savannah, Georgia, licensed in Georgia (016651) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Candler Hospital, and is a graduate of Yale University School Of Medicine (1967).

NPPES Registry Identity

NPI1023232527

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. JOHN DAVID NORTHUPCredential: M.D.

Location Address12345 MERCY BLVDSavannah, GA 31419-3436

Mailing Address12345 Mercy BlvdSavannah, GA 31419-3436 · (912) 927-3046 · Fax (912) 925-0597

Phone(912) 927-3046

Fax(912) 925-0597

Sole ProprietorYes

Medical School CMSYale University School Of MedicineGraduated 1967

Enumeration DateApril 13, 2007

Last NPPES UpdateJanuary 3, 2014

✔ NPI 1023232527 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in GA · 016651

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

12345 MERCY BLVD, Savannah, GA 31419

Open in Google Maps ↗

Other Identifiers 4

Other581263266GA · United Healthcare

Medicare UPIND40770GA

Other110164346GA · Railroad Medicare

Medicaid000018092AGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John David Northup M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1759315252

PECOS Enrollment IDI20051101000522

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

607 services171 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

68 services50 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

58 services56 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

48 services47 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

46 services44 patients

X-ray of abdomen, 2 views 74019

An X-ray of the abdomen, 2 views, is a non-invasive imaging test. It uses a small amount of radiation to capture pictures of the structures inside your belly. The two views provide different angles, helping doctors see your organs clearly and detect any issues.

44 services42 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

39 services37 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

31 services30 patients

Stool analysis for blood, by fecal hemoglobin determination by immunoassay 82274

A stool analysis for blood, or fecal hemoglobin determination by immunoassay, is a test that checks for hidden blood in your stool. This test helps identify potential issues in your digestive system. It involves collecting a small stool sample which is then analyzed in a lab for the presence of blood.

18 services18 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

15 services15 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

13 services13 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Candler Hospital

Acute Care Hospitals · Savannah, GA

1/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number110024

Location5353 Reynolds StreetSavannah, GA 31412 · Chatham County

Emergency services Birthing friendly

St Joseph's Hospital - Savannah

Acute Care Hospitals · Savannah, GA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number110043

Location11705 Mercy BoulevardSavannah, GA 31419 · Chatham County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31419 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$124.10 typical visit price

range $53.31 – $164.04

Typical copayment $31.02 (range $13.32 – $41.01)

Most-billed visit code 99204

Established Patient

$94.84 typical visit price

range $16.68 – $133.24

Typical copayment $23.71 (range $4.17 – $33.31)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.08/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

62.92

Improvement Activities

Cost

93.05

Reported Quality Measures

Appropriate Use of DXA Scans in Women Under 65 Years Who Do Not Meet the Risk Factor Profile for Osteoporotic Fracture

Lower rates are better for this measure.

0%131 patients

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

30%238 patients4/55-star benchmark: 91%

Functional Status Assessments for Heart Failure

0%141 patients

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

19%2,302 patients2/55-star benchmark: 61%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers17 claims54 services$6.67 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$17.64 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$91.55 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

COURTNEY ELIZABETH SELLERS PA-C

Internal Medicine (Gastroenterology)

12345 MERCY BLVD
SAVANNAH, GA 31419

Chatham County (912) 927-3046

MRS. KATHERINE IRELAND KLICK FNP-C

Nurse Practitioner (Family)

12345 MERCY BLVD
SAVANNAH, GA 31419

Chatham County (912) 927-3046

SAVANNAH DIAGNOSTIC ASSOC PC

Specialist

12345 MERCY BLVD
SAVANNAH, GA 31419

Chatham County (912) 927-3048

DR. CHARLES E DRAKE MD

Internal Medicine (Cardiovascular Disease)

12345 MERCY BLVD
SAVANNAH, GA 31419

Chatham County (912) 927-3046

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Northup's NPI number?

The NPI number for John Northup is 1023232527. It was assigned to this individual provider in the NPPES registry on April 13, 2007.

Where is John Northup located?

John Northup practices at 12345 Mercy Blvd, Savannah, GA 31419. The listed phone number is (912) 927-3046.

What is John Northup's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is John Northup enrolled in Medicare?

Yes. John Northup is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Northup accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list John Northup as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Northup affiliated with any hospitals?

According to CMS data, John Northup is affiliated with Candler Hospital and St Joseph's Hospital - Savannah.

When was this NPI record last updated?

The NPPES record for John Northup was last updated on January 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.