Katherine Welsh, DNP, AGACNP-BC
NPI 1770238321 · Nurse Practitioner · Charleston, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Welsh, DNP, AGACNP-BC is a Nurse Practitioner provider in Charleston, SC (NPI 1770238321).
Provider details
- NPI number
- 1770238321
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, AGACNP-BC
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
136 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $72 |
| 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 | 36 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 18 | $101 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 16 | $132 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 15 | $10 |
Typical Medicare-allowed amounts for these services range $10–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 104 | 42 |
| Vibegronbrand: Gemtesa | 61 | 20 |
| Finasteride | 53 | 21 |
| Methenamine Hippurate | 37 | — |
| Cephalexin | 33 | 31 |
| Mirabegronbrand: Myrbetriq | 30 | 12 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 26 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,037 across 38 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
Registry dates
- Enumerated
- 2022-02-12
- Last updated
- 2023-06-13
- Certified
- 2023-06-13
Frequently asked questions
- What is Katherine Welsh's NPI number?
- Katherine Welsh's National Provider Identifier (NPI) is 1770238321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Welsh's specialty?
- Katherine Welsh is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Welsh located?
- Katherine Welsh's practice location on file with NPPES is 641 Saint Andrews Blvd, Charleston, SC 29407-7165.
- What is Katherine Welsh's phone number?
- The practice phone number listed in the NPPES registry for Katherine Welsh is (843) 766-9747.
- Does Katherine Welsh accept Medicare?
- Katherine Welsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Welsh's NPI active?
- Yes — Katherine Welsh's NPI (1770238321) is active in the NPPES registry as of the last update on 2023-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.