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DR. MATTHEW JAMES DAY M.D.
NPI 1619237328
Internal Medicine - Nephrology in Savannah, GA

Active since May 29, 2012PECOS EnrolledAccepts Medicare Assignment
85.38/100
CMS Quality Rating
500 E 66TH ST, SAVANNAH, GA 31405(912) 356-5643(912) 354-4430 Get Directions Write a Review

NPPES record last updated: February 26, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Matthew James Day M.d. NPPES

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

DR. MATTHEW JAMES DAY M.D. (NPI 1619237328) is an individual nephrology provider in Savannah, Georgia, licensed in Georgia (84151) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Candler Hospital, and is a graduate of Medical College Of Georgia School Of Medicine (2012).

NPPES Registry Identity

NPI1619237328
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. MATTHEW JAMES DAYCredential: M.D.
Location Address500 E 66TH STSavannah, GA 31405-4339
Mailing Address1120 15th St, Bi 5070Augusta, GA 30912 · (706) 721-2423
Phone(912) 356-5643
Fax(912) 354-4430
Sole ProprietorNo
Medical School CMSMedical College Of Georgia School Of MedicineGraduated 2012
Enumeration DateMay 29, 2012
Last NPPES UpdateFebruary 26, 2020
✔ NPI 1619237328 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 · 84151
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.
500 E 66TH ST, Savannah, GA 31405
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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. Matthew James Day 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 ID4789974163
PECOS Enrollment IDI20191118001448
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 6

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.
692 services109 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
138 services27 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
92 services29 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
73 services65 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.
51 services45 patients
Dialysis services, 1 physician visit per month (20 years or older) 90962
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. A physician visit once a month ensures your treatment is working effectively and adjusts it if necessary. This service is available for individuals aged 20 years and older.
29 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Memorial University Medical Center

Acute Care Hospitals · Savannah, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110036
Location4700 Waters AvenueSavannah, GA 31404 · 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

Evans Memorial Hospital

Acute Care Hospitals · Claxton, GA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110142
Location200 N River StreetClaxton, GA 30417 · Evans County
Emergency services

Effingham Health System

Critical Access Hospitals · Springfield, GA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number111306
Location459 Ga Highway 119 SouthSpringfield, GA 31329 · Effingham County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31405 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.

85.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.3
Promoting Interoperability95
Improvement Activities40
Cost50.46

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, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers25 claims2,700 services$0.28 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers21 claims1,260 services$0.92 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
1 supplier11 claims11 services$15.47 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
2 suppliers31 claims36 services$12.26 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 3

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

KIDNEY SPECIALISTS OF SOUTHEAST GEORGIA, INC
Internal Medicine (Nephrology)
500 E 66TH ST
SAVANNAH, GA 31405
Chatham County (912) 356-5643
CRAIG RICHARD SAXTON M. D.
Internal Medicine (Nephrology)
500 E 66TH ST
SAVANNAH, GA 31405
Chatham County (912) 356-5643
KIDNEY SPECIALISTS OF SAVANNAH, P. C.
Specialist
500 E 66TH ST
SAVANNAH, GA 31405
Chatham County (912) 356-5643

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 Matthew Day's NPI number?

The NPI number for Matthew Day is 1619237328. It was assigned to this individual provider in the NPPES registry on May 29, 2012.

Where is Matthew Day located?

Matthew Day practices at 500 E 66th St, Savannah, GA 31405. The listed phone number is (912) 356-5643.

What is Matthew Day's specialty?

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

Is Matthew Day enrolled in Medicare?

Yes. Matthew Day 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 Matthew Day accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Matthew Day 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 Matthew Day affiliated with any hospitals?

According to CMS data, Matthew Day is affiliated with Candler Hospital, Memorial University Medical Center, St Joseph's Hospital - Savannah, Evans Memorial Hospital and Effingham Health System.

When was this NPI record last updated?

The NPPES record for Matthew Day was last updated on February 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.