Karla Hirshorn, MD
NPI 1649407321 · Family Medicine Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karla Hirshorn, MD is a Family Medicine Physician provider in Greenville, SC (NPI 1649407321).
Provider details
- NPI number
- 1649407321
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 34598 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 4 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Escitalopram Oxalate | 20 |
| Levothyroxine Sodium | 12 |
| Sertraline Hcl | 12 |
| Losartan Potassium | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Additional practice locations (1)
- 106 Parkview DrLaurens, SC 29360-2652Phone: (864) 984-0571Fax: (864) 984-6121
Registry dates
- Enumerated
- 2009-06-19
- Last updated
- 2022-07-21
Frequently asked questions
- What is Karla Hirshorn's NPI number?
- Karla Hirshorn's National Provider Identifier (NPI) is 1649407321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karla Hirshorn's specialty?
- Karla Hirshorn is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karla Hirshorn located?
- Karla Hirshorn's practice location on file with NPPES is 16 Hyland Rd, Greenville, SC 29615-5756.
- What is Karla Hirshorn's phone number?
- The practice phone number listed in the NPPES registry for Karla Hirshorn is (864) 586-9798.
- Does Karla Hirshorn accept Medicare?
- Karla Hirshorn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karla Hirshorn's NPI active?
- Yes — Karla Hirshorn's NPI (1649407321) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.