Jordan Grnak, DO
NPI 1922501204 · Internal Medicine Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jordan Grnak, DO is a Internal Medicine Physician provider in Greenville, SC (NPI 1922501204).
Provider details
- NPI number
- 1922501204
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5101025371 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
498 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 315 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 77 | $125 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 60 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 24 | $160 |
| Initial Preventive Physical Examination; Face-To-Face Visit, Services Limited to New Beneficiary During the First 12 Months of Medicare EnrollmentG0402 | 11 | $162 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 119 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 281 | 94 |
| Rosuvastatin Calcium | 213 | 74 |
| Amlodipine Besylate | 187 | 67 |
| Levothyroxine Sodium | 183 | 55 |
| Gabapentin | 174 | 50 |
| Losartan Potassium | 139 | 45 |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (2)
- 5450 Fort StTrenton, MI 48183-4601Phone: (734) 671-3297
- 33155 Annapolis StWayne, MI 48184-2405Phone: (734) 467-4000
Registry dates
- Enumerated
- 2018-03-13
- Last updated
- 2021-06-28
- Certified
- 2021-06-28
Frequently asked questions
- What is Jordan Grnak's NPI number?
- Jordan Grnak's National Provider Identifier (NPI) is 1922501204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jordan Grnak's specialty?
- Jordan Grnak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jordan Grnak located?
- Jordan Grnak's practice location on file with NPPES is 5 S Lewis Plz, Greenville, SC 29605-2944.
- What is Jordan Grnak's phone number?
- The practice phone number listed in the NPPES registry for Jordan Grnak is (864) 242-4122.
- Does Jordan Grnak accept Medicare?
- Jordan Grnak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jordan Grnak's NPI active?
- Yes — Jordan Grnak's NPI (1922501204) is active in the NPPES registry as of the last update on 2021-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.