Opal Caldwell, FNP
NPI 1548784945 · Nurse Practitioner · Morristown, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Opal Caldwell, FNP is a Nurse Practitioner provider in Morristown, TN (NPI 1548784945).
Provider details
- NPI number
- 1548784945
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 22887 (TN)
Specialties & taxonomies
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
8 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
366 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 | 114 | $71 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 86 | $44 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 73 | $130 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 63 | $98 |
| Ultrasound Scan of Organ Tissue for Measuring Elasticity76981 | 16 | $76 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 483 | 119 |
| Pantoprazole Sodium | 351 | 93 |
| Famotidine | 327 | 92 |
| Sucralfate | 210 | 61 |
| Linaclotidebrand: Linzess | 157 | 44 |
| Dicyclomine Hcl | 151 | 37 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 122 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,496 across 83 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
- 2017-07-28
- Last updated
- 2020-09-01
- Certified
- 2020-09-01
Frequently asked questions
- What is Opal Caldwell's NPI number?
- Opal Caldwell's National Provider Identifier (NPI) is 1548784945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Opal Caldwell's specialty?
- Opal Caldwell is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Opal Caldwell located?
- Opal Caldwell's practice location on file with NPPES is 705 N High St, Morristown, TN 37814-3876.
- What is Opal Caldwell's phone number?
- The practice phone number listed in the NPPES registry for Opal Caldwell is (423) 415-3310.
- Does Opal Caldwell accept Medicare?
- Opal Caldwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Opal Caldwell's NPI active?
- Yes — Opal Caldwell's NPI (1548784945) is active in the NPPES registry as of the last update on 2020-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.