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JORDAN J GRNAK DO
NPI 1922501204
Internal Medicine in Greenville, SC

Active since March 13, 2018PECOS EnrolledAccepts Medicare Assignment
5 S LEWIS PLZ, GREENVILLE, SC 29605(864) 242-4122 Get Directions Write a Review

NPPES record last updated: June 28, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 28, 2021, Apr 16, 2021, Jan 23, 2019 and 1 more (4 updates tracked since 2018).

About Jordan J Grnak Do NPPES

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

JORDAN J GRNAK DO (NPI 1922501204) is an individual internal medicine provider in Greenville, South Carolina, licensed in South Carolina (MDO.83463) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with St Francis-downtown, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1922501204
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJORDAN J GRNAKCredential: DO
Location Address5 S LEWIS PLZGreenville, SC 29605-2944
Mailing Address5 S Lewis PlzGreenville, SC 29605-2944 · (864) 242-4122
Phone(864) 242-4122
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2018
Enumeration DateMarch 13, 2018
Last NPPES UpdateJune 28, 20214 updates tracked since enumeration
NPPES CertifiedJune 28, 2021
✔ NPI 1922501204 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in SC · MDO.83463✔ Licensed in MI · 5101025371
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5 S LEWIS PLZ, Greenville, SC 29605
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Secondary Practice Locations 2

Location 15450 Fort StTrenton, MI 48183-4601 · Phone (734) 671-3297
Location 233155 Annapolis StWayne, MI 48184-2405 · Phone (734) 467-4000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina 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

Jordan J Grnak Do 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 ID4981012689
PECOS Enrollment IDI20210830002439
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 Jordan Grnak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St. Francis Physician Services
Same address
Orthopaedic Surgery
21 ABERDEEN DR
Greenville, SC 29605
  • Reassigned Medicare billing, South Carolina enrollment
  • 248 clinicians in this Medicare group
NPI 1124156054 (864) 370-8384

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 5

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.
315 services152 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
77 services77 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.
24 services24 patients
Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402
An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.
11 services11 patients
Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report G0403
An Electrocardiogram (ECG) with 12 leads is a non-invasive test that measures the electrical activity of your heart. It's performed during your initial physical examination to screen for heart conditions. The results are interpreted and compiled into a report for further evaluation.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

St Francis-Downtown

Acute Care Hospitals · Greenville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420023
LocationOne St Francis DrGreenville, SC 29601 · Greenville County
Emergency services Birthing friendly

Prisma Health Greenville Memorial Hospital

Acute Care Hospitals · Greenville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420078
Location701 Grove RoadGreenville, SC 29605 · Greenville County
Birthing friendly

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

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

ANA KATRINA ENDAYA DNP, APRN, FNP-BC
Nurse Practitioner (Family)
5 S LEWIS PLZ
GREENVILLE, SC 29605
Greenville County (864) 242-4122

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 Jordan Grnak's NPI number?

The NPI number for Jordan Grnak is 1922501204. It was assigned to this individual provider in the NPPES registry on March 13, 2018.

Where is Jordan Grnak located?

Jordan Grnak practices at 5 S Lewis Plz, Greenville, SC 29605. The listed phone number is (864) 242-4122.

What is Jordan Grnak's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jordan Grnak enrolled in Medicare?

Yes. Jordan Grnak 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 Jordan Grnak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jordan Grnak reassigns Medicare benefits to St. Francis Physician Services (Greenville, SC). 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 Jordan Grnak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jordan Grnak accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and First Choice Next and 3 other insurers list Jordan Grnak 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 Jordan Grnak affiliated with any hospitals?

According to CMS data, Jordan Grnak is affiliated with St Francis-Downtown and Prisma Health Greenville Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Jordan Grnak was last updated on June 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.