Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. COLIN RUFFIN STEPHENSON M.D.
NPI 1194776641
Internal Medicine - Rheumatology in Greenville, SC

Active since May 12, 2006PECOS Enrolled
21 ABERDEEN DR, GREENVILLE, SC 29605(864) 242-4122(864) 242-5867 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Colin Ruffin Stephenson M.d. NPPES

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

DR. COLIN RUFFIN STEPHENSON M.D. (NPI 1194776641) is an individual rheumatology provider in Greenville, South Carolina, licensed in South Carolina (6703) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194776641
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameDR. COLIN RUFFIN STEPHENSONCredential: M.D.
Location Address21 ABERDEEN DRGreenville, SC 29605-2955
Mailing Address21 Aberdeen DrGreenville, SC 29605-2955 · (864) 242-4122 · Fax (864) 242-5867
Fax(864) 242-5867
Sole ProprietorNo
Enumeration DateMay 12, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1194776641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License Licensed in SC · 6703
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
21 ABERDEEN DR, Greenville, SC 29605

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 (PECOS)

Dr. Colin Ruffin Stephenson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 8

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.

Injection, romosozumab-aqqg, 1 mg J3111
Romosozumab-aqqg is a medication given by injection to treat osteoporosis in patients at high risk for fractures. It works by increasing bone mass and strength, reducing the risk of fractures.
17,220 services13 patients
Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
7,440 services72 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
288 services79 patients
Injection, zoledronic acid, 1 mg J3489
Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.
140 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.
76 services68 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.
69 services53 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29605 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
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
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.

Other Providers at the Same Location NPPES 9

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

Orthopaedic Surgery
21 ABERDEEN DR
GREENVILLE, SC 29605
Internal Medicine
21 ABERDEEN DR
GREENVILLE, SC 29605
Family Medicine
21 ABERDEEN DR
GREENVILLE, SC 29605
Internal Medicine
21 ABERDEEN DR
GREENVILLE, SC 29605
Internal Medicine
21 ABERDEEN DR
GREENVILLE, SC 29605
Nurse Practitioner (Family)
21 ABERDEEN DR
GREENVILLE, SC 29605
Internal Medicine
21 ABERDEEN DR
GREENVILLE, SC 29605
Internal Medicine
21 ABERDEEN DR
GREENVILLE, SC 29605

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 Colin Stephenson's NPI number?

The NPI number for Colin Stephenson is 1194776641. It was assigned to this individual provider in the NPPES registry on May 12, 2006.

Where is Colin Stephenson located?

Colin Stephenson practices at 21 Aberdeen Dr, Greenville, SC 29605. The listed phone number is (864) 242-4122.

What is Colin Stephenson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Colin Stephenson enrolled in Medicare?

Yes. Colin Stephenson is registered in the Medicare PECOS enrollment system.

What insurance does Colin Stephenson accept?

Health plans from First Choice Next list Colin Stephenson 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.

When was this NPI record last updated?

The NPPES record for Colin Stephenson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.