Margarett Walden, NP-C
NPI 1477099661 · Family Nurse Practitioner · Spartanburg, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margarett Walden, NP-C is a Family Nurse Practitioner provider in Spartanburg, SC (NPI 1477099661).
Provider details
- NPI number
- 1477099661
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25932 (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
751 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 | 218 | $106 |
| 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 | 204 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 | $75 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 44 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 36 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 224 | 77 |
| Omeprazole | 204 | 76 |
| Linaclotidebrand: Linzess | 56 | 21 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 46 | 46 |
| Dicyclomine Hcl | 44 | 25 |
| Famotidine | 38 | 18 |
| Esomeprazole Magnesium | 33 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$406 across 15 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 (3)
- 2026 S Jackson StJacksonville, TX 75766-5822Phone: (903) 589-7017
- 2116 E Rusk StJacksonville, TX 75766-9052Phone: (903) 589-7017
- 3201 S Loop 256Palestine, TX 75801-6901Phone: (903) 723-0330
Registry dates
- Enumerated
- 2017-01-11
- Last updated
- 2023-11-08
- Certified
- 2023-11-08
Frequently asked questions
- What is Margarett Walden's NPI number?
- Margarett Walden's National Provider Identifier (NPI) is 1477099661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margarett Walden's specialty?
- Margarett Walden is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margarett Walden located?
- Margarett Walden's practice location on file with NPPES is 853 N Church St Ste 620, Spartanburg, SC 29303-3070.
- What is Margarett Walden's phone number?
- The practice phone number listed in the NPPES registry for Margarett Walden is (864) 573-7511.
- Does Margarett Walden accept Medicare?
- Margarett Walden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margarett Walden's NPI active?
- Yes — Margarett Walden's NPI (1477099661) is active in the NPPES registry as of the last update on 2023-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.