DR. SAMUEL ANDREW JOHNSON MD
NPI 1225255128
Internal Medicine - Nephrology in Marietta, GA

Active since April 20, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
55 WHITCHER ST NE, SUITE 460, MARIETTA, GA 30060(770) 427-7389(770) 427-1492 Get Directions Write a Review

NPPES record last updated: August 1, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Samuel Andrew Johnson Md NPPES

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

DR. SAMUEL ANDREW JOHNSON MD (NPI 1225255128) is an individual nephrology provider in Marietta, Georgia, licensed in Georgia (54909) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Northside Hospital Cherokee, and is a graduate of Temple University School Of Medicine (2002).

NPPES Registry Identity

NPI1225255128
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. SAMUEL ANDREW JOHNSONCredential: MD
Location Address55 WHITCHER ST NE, SUITE 460Marietta, GA 30060-1155
Mailing Address55 Whitcher Street, Suite 460Marietta, GA 30060-1155 · (770) 427-7389 · Fax (770) 427-1492
Fax(770) 427-1492
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2002
Enumeration DateApril 20, 2007
Last NPPES UpdateAugust 1, 2019
NPI 1225255128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in GA · 54909
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
55 WHITCHER ST NE, Marietta, GA 30060

Other Identifiers 23

Medicaid003123548DGA
Medicaid003123548GGA
Medicaid003123548SGA
Medicaid003123548IGA
Medicaid003123548MGA
Medicaid003123548RGA
Other29879SC · Medical License
Medicaid003123548FGA
Medicaid003123548HGA
Medicaid003123548JGA
Medicaid003123548LGA
Medicaid003123548UGA
Medicaid003123548CGA
Medicaid003123548EGA
Medicaid003123548KGA
Medicaid003123548PGA
Medicaid003123548TGA
Medicaid003123548BGA
Medicaid003123548OGA
Other54909GA · Md
Medicaid003123548NGA
Medicaid003123548QGA
Medicaid003123548VGA

Accepted 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. Samuel Andrew Johnson Md 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 ID7214037373
PECOS Enrollment IDI20120919000737
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 30

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
769 services329 patients
Manual urinalysis test with examination using microscope, non-automated 81000
A manual urinalysis test involves studying a urine sample under a microscope. This non-automated method helps identify any abnormal substances present. It's a useful tool for detecting potential health concerns early. The process is simple and non-invasive.
259 services185 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
248 services134 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
246 services130 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
213 services28 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.
196 services170 patients

Hospital Affiliations CMS Care Compare 3

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

Northside Hospital Cherokee

Acute Care Hospitals · Canton, GA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110008
Location450 Northside Cherokee BoulevardCanton, GA 30115 · Cherokee County
Emergency services Birthing friendly

Wellstar Kennestone Regional Medical Center

Acute Care Hospitals · Marietta, GA
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110035
Location677 Church StreetMarietta, GA 30060 · Cobb County
Emergency services Birthing friendly

Wellstar Cobb Medical Center

Acute Care Hospitals · Austell, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110143
Location3950 Austell RdAustell, GA 30106 · Cobb County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30060 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
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.1
Improvement Activities40

Reported Quality Measures

Advance Care Plan
100%52 patients5/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
100%147 patients5/55-star benchmark: 100%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 100% · 166 patients
100%164 patients
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 4

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

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503
Treatment-Chemotherapy · category RH002N
1 supplier15 claims5,552 services$1.21 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers13 claims3,000 services$0.20 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers14 claims14 services$18.94 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
4 suppliers20 claims20 services$12.59 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 20

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

Internal Medicine (Nephrology)
55 WHITCHER ST NE, STE 460
MARIETTA, GA 30060
Surgery
55 WHITCHER ST NE, SUIT 130
MARIETTA, GA 30060
Physician Assistant
55 WHITCHER ST NE, SUITE 350
MARIETTA, GA 30060
Internal Medicine (Critical Care Medicine)
55 WHITCHER ST NE, SUITE 160
MARIETTA, GA 30060
Internal Medicine (Clinical Cardiac Electrophysiology)
55 WHITCHER ST NE, SUITE 350
MARIETTA, GA 30060
Internal Medicine (Clinical Cardiac Electrophysiology)
55 WHITCHER ST NE, SUITE 350
MARIETTA, GA 30060
Nurse Practitioner (Acute Care)
55 WHITCHER ST NE
MARIETTA, GA 30060
Nurse Practitioner (Family)
55 WHITCHER ST NE, SUITE 250
MARIETTA, GA 30060

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 Samuel Johnson's NPI number?

The NPI number for Samuel Johnson is 1225255128. It was assigned to this individual provider in the NPPES registry on April 20, 2007.

Where is Samuel Johnson located?

Samuel Johnson practices at 55 Whitcher St NE Suite 460, Marietta, GA 30060. The listed phone number is (770) 427-7389.

What is Samuel Johnson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Samuel Johnson enrolled in Medicare?

Yes. Samuel Johnson 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 Samuel Johnson accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 2 other insurers list Samuel Johnson 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 Samuel Johnson affiliated with any hospitals?

According to CMS data, Samuel Johnson is affiliated with Northside Hospital Cherokee, Wellstar Kennestone Regional Medical Center and Wellstar Cobb Medical Center.

When was this NPI record last updated?

The NPPES record for Samuel Johnson was last updated on August 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.