Gretchen Nelson, NP
NPI 1851484000 · Family Nurse Practitioner · Columbia, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Nelson, NP is a Family Nurse Practitioner provider in Columbia, TN (NPI 1851484000).
Provider details
- NPI number
- 1851484000
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 209004992 (IL)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
813 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 | 624 | $69 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 160 | $97 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 29 | $59 |
Typical Medicare-allowed amounts for these services range $59–$97 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 1,486 | 162 |
| Gabapentin | 1,179 | 168 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 927 | 99 |
| Tizanidine Hcl | 539 | 88 |
| Pregabalin | 413 | 67 |
| Diclofenac Sodium | 347 | 62 |
| Methocarbamol | 345 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$563 across 50 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
- 2006-10-02
- Last updated
- 2022-07-21
Frequently asked questions
- What is Gretchen Nelson's NPI number?
- Gretchen Nelson's National Provider Identifier (NPI) is 1851484000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Nelson's specialty?
- Gretchen Nelson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gretchen Nelson located?
- Gretchen Nelson's practice location on file with NPPES is 1040 N James Campbell Blvd, Columbia, TN 38401.
- What is Gretchen Nelson's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Nelson is (931) 223-8414.
- Does Gretchen Nelson accept Medicare?
- Gretchen Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Nelson's NPI active?
- Yes — Gretchen Nelson's NPI (1851484000) 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.