Marissa Blanco Knowlton, M.D.
NPI 1932442894 · Pediatrics Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Blanco Knowlton, M.D. is a Pediatrics Physician provider in Charleston, SC (NPI 1932442894).
Provider details
- NPI number
- 1932442894
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
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)
- 4401 Penn AveAob Suite 5400Pittsburgh, PA 15224-1334Phone: (512) 692-5285
Registry dates
- Enumerated
- 2013-03-29
- Last updated
- 2018-08-28
Frequently asked questions
- What is Marissa Blanco Knowlton's NPI number?
- Marissa Blanco Knowlton's National Provider Identifier (NPI) is 1932442894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Blanco Knowlton's specialty?
- Marissa Blanco Knowlton is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Marissa Blanco Knowlton located?
- Marissa Blanco Knowlton's practice location on file with NPPES is 171 Ashley Ave, Charleston, SC 29425.
- What is Marissa Blanco Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Marissa Blanco Knowlton is (843) 792-1414.
- Does Marissa Blanco Knowlton accept Medicare?
- Marissa Blanco Knowlton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Blanco Knowlton's NPI active?
- Yes — Marissa Blanco Knowlton's NPI (1932442894) is active in the NPPES registry as of the last update on 2018-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.