DR. KIMATHI SIPHO RICARDO BLACKWOOD M.D.
NPI 1609071448
Internal Medicine - Nephrology in Macon, GA

Q: What is Kimathi Blackwood's NPI number?

The NPI number for Kimathi Blackwood is 1609071448. It was assigned to this individual provider in the NPPES registry on June 20, 2007.

Q: What is Kimathi Blackwood's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Kimathi Blackwood was last updated on June 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 June 20, 2007PECOS EnrolledAccepts Medicare Assignment

890 SECOND STREET, SUITE 201, MACON, GA 31201(478) 745-4322(478) 750-8789 Get Directions Write a Review

NPPES record last updated: June 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Kimathi Sipho Ricardo Blackwood M.d. NPPES

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

DR. KIMATHI SIPHO RICARDO BLACKWOOD M.D. (NPI 1609071448) is an individual nephrology provider in Macon, Georgia, licensed in Georgia (063834) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Northside Hospital Gwinnett, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2004).

NPPES Registry Identity

NPI1609071448

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. KIMATHI SIPHO RICARDO BLACKWOODCredential: M.D.

Location Address890 SECOND STREET, SUITE 201Macon, GA 31201-6863

Mailing Address595 Hurricane Shoals Rd Nw Ste 100Lawrenceville, GA 30046-8762 · (404) 645-7150 · Fax (770) 995-0776

Phone(478) 745-4322

Fax(478) 750-8789

Sole ProprietorNo

Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 2004

Enumeration DateJune 20, 2007

Last NPPES UpdateJune 21, 2022

NPPES CertifiedJune 21, 2022

✔ NPI 1609071448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in GA · 063834

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

890 SECOND STREET, Macon, GA 31201

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Other Identifiers 2

Medicaid546478200CGA

Medicaid546478200BBGA

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kimathi Sipho Ricardo Blackwood 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 ID9830381284

PECOS Enrollment IDI20101005000004

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.

Medicare Billing Reassignment

Medicare enrollment records show Kimathi Blackwood reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Georgia Nephrology, LLC

76 mi

Nephrology

497 WINN WAY STE A210
Decatur, GA 30030

Reassigned Medicare billing, Georgia enrollment
35 clinicians in this Medicare group

NPI 1063422723 (404) 294-7033

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

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.

231 services101 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.

204 services90 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.

159 services36 patients

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.

123 services79 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

75 services17 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.

41 services23 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

38 services23 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.

29 services29 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

28 services28 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

24 services24 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

14 services14 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.

14 services12 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Northside Hospital Gwinnett

Acute Care Hospitals · Lawrenceville, GA

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number110087

Location1000 Medical Center BoulevardLawrenceville, GA 30046 · Gwinnett County

Birthing friendly

Piedmont Eastside Medical Center

Acute Care Hospitals · Snellville, GA

2/5 CMS rating

OwnershipProprietary

CMS Certification Number110192

Location1700 Medical WaySnellville, GA 30078 · Gwinnett County

Emergency services Birthing friendly

Emory Johns Creek Hospital

Acute Care Hospitals · Johns Creek, GA

3/5 CMS rating

OwnershipProprietary

CMS Certification Number110230

Location6325 Hospital ParkwayJohns Creek, GA 30097 · Gwinnett County

Emergency services Birthing friendly

Northside Hospital Duluth

Acute Care Hospitals · Duluth, GA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number110252

Location3620 Howell Ferry RoadDuluth, GA 30096 · Gwinnett County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31201 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.

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 Kimathi Blackwood's NPI number?

The NPI number for Kimathi Blackwood is 1609071448. It was assigned to this individual provider in the NPPES registry on June 20, 2007.

Where is Kimathi Blackwood located?

Kimathi Blackwood practices at 890 Second Street Suite 201, Macon, GA 31201. The listed phone number is (478) 745-4322.

What is Kimathi Blackwood's specialty?

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

Is Kimathi Blackwood enrolled in Medicare?

Yes. Kimathi Blackwood 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.

Which organization bills Medicare for Kimathi Blackwood's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kimathi Blackwood reassigns Medicare benefits to Georgia Nephrology, LLC (Decatur, GA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kimathi Blackwood's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kimathi Blackwood accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Kimathi Blackwood 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 Kimathi Blackwood affiliated with any hospitals?

According to CMS data, Kimathi Blackwood is affiliated with Northside Hospital Gwinnett, Piedmont Eastside Medical Center, Emory Johns Creek Hospital and Northside Hospital Duluth.

When was this NPI record last updated?

The NPPES record for Kimathi Blackwood was last updated on June 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.