Larry Fields, MD
NPI 1538162896 · Obstetrics & Gynecology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larry Fields, MD is a Obstetrics & Gynecology Physician provider in Knoxville, TN (NPI 1538162896).
Provider details
- NPI number
- 1538162896
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD35436 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
210 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 Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 41 | $52 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $83 |
| Ultrasound Scan of Uterus, Ovaries, Tubes, Cervix and Pelvic Area Through Vagina76830 | 26 | $103 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 24 | $35 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 24 | $40 |
| 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 81 | 35 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 40 | 38 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 29 | 15 |
| Metronidazole | 25 | 12 |
| Ondansetronbrand: Ondansetron Odt | 25 | 24 |
| Fluconazole | 24 | 13 |
| Ondansetron Hcl | 19 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37,510 across 80 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
- 2005-05-31
- Last updated
- 2011-08-04
Frequently asked questions
- What is Larry Fields's NPI number?
- Larry Fields's National Provider Identifier (NPI) is 1538162896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larry Fields's specialty?
- Larry Fields is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Larry Fields located?
- Larry Fields's practice location on file with NPPES is 501 19th St, Knoxville, TN 37916-1854.
- What is Larry Fields's phone number?
- The practice phone number listed in the NPPES registry for Larry Fields is (865) 541-2695.
- Does Larry Fields accept Medicare?
- Larry Fields is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larry Fields's NPI active?
- Yes — Larry Fields's NPI (1538162896) is active in the NPPES registry as of the last update on 2011-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.