Sarah Marrison, MD/PHD
NPI 1356790398 · Family Medicine Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Marrison, MD/PHD is a Family Medicine Physician provider in Charleston, SC (NPI 1356790398).
Provider details
- NPI number
- 1356790398
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD/PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 39660 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
629 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 | 202 | $91 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 118 | $74 |
| 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 | 77 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 48 | $61 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 30 | $104 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 183 | 60 |
| Amlodipine Besylate | 152 | 49 |
| Losartan Potassium | 107 | 33 |
| Levothyroxine Sodium | 103 | 31 |
| Gabapentin | 97 | 25 |
| Lisinopril | 89 | 27 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (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)
- 9228 Medical Plaza DrCharleston, SC 29406-9125Phone: (845) 661-8695
Registry dates
- Enumerated
- 2016-06-09
- Last updated
- 2023-07-24
- Certified
- 2023-07-24
Frequently asked questions
- What is Sarah Marrison's NPI number?
- Sarah Marrison's National Provider Identifier (NPI) is 1356790398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Marrison's specialty?
- Sarah Marrison is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Marrison located?
- Sarah Marrison's practice location on file with NPPES is 171 Ashley Ave, Charleston, SC 29425-9125.
- What is Sarah Marrison's phone number?
- The practice phone number listed in the NPPES registry for Sarah Marrison is (843) 792-1414.
- Does Sarah Marrison accept Medicare?
- Sarah Marrison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Marrison's NPI active?
- Yes — Sarah Marrison's NPI (1356790398) is active in the NPPES registry as of the last update on 2023-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.