John Emerson, MD
NPI 1245522614 · Family Medicine Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Emerson, MD is a Family Medicine Physician provider in Greenville, SC (NPI 1245522614).
Provider details
- NPI number
- 1245522614
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2012-02153 (NC)
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 tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
165 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 57 | $109 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 37 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 37 | $75 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 23 | $121 |
| Hemoglobin A1c Level83036 | 11 | $9 |
Typical Medicare-allowed amounts for these services range $8–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Amlodipine Besylate | 30 |
| Atorvastatin Calcium | 26 |
| Losartan Potassium | 20 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 20 |
| Omeprazole | 19 |
| Famotidine | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 16 |
| Apixabanbrand: Eliquis | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$68 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2001 Vail AveCharlotte, NC 28207-1248Phone: (704) 304-7000Fax: (704) 304-7008
Registry dates
- Enumerated
- 2011-05-04
- Last updated
- 2023-03-07
- Certified
- 2021-05-25
Frequently asked questions
- What is John Emerson's NPI number?
- John Emerson's National Provider Identifier (NPI) is 1245522614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Emerson's specialty?
- John Emerson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Emerson located?
- John Emerson's practice location on file with NPPES is 877 W Faris Rd, Greenville, SC 29605-4289.
- What is John Emerson's phone number?
- The practice phone number listed in the NPPES registry for John Emerson is (864) 455-7800.
- Does John Emerson accept Medicare?
- John Emerson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Emerson's NPI active?
- Yes — John Emerson's NPI (1245522614) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.