Heidi Dahl, MD
NPI 1396373536 · Ophthalmology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heidi Dahl, MD is a Ophthalmology Physician provider in Knoxville, TN (NPI 1396373536).
Provider details
- NPI number
- 1396373536
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 69564 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 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
302 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 | 50 | $89 |
| Imaging of Retina92134 | 49 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $126 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 36 | $23 |
| Exam of Visual Field With Extended Testing92083 | 31 | $64 |
| Imaging of Optic Nerve92133 | 31 | $34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 109 | 38 |
| Prednisolone Acetate | 81 | 57 |
| Ofloxacin | 61 | 48 |
| Ketorolac Tromethamine | 44 | 36 |
| Timolol Maleate | 38 | 15 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 24 | 14 |
| Valacyclovir Hclbrand: Valacyclovir | 23 | — |
| Brimonidine Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$67 across 3 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
- 2020-04-01
- Last updated
- 2026-04-09
- Certified
- 2026-04-09
Frequently asked questions
- What is Heidi Dahl's NPI number?
- Heidi Dahl's National Provider Identifier (NPI) is 1396373536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Dahl's specialty?
- Heidi Dahl is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Heidi Dahl located?
- Heidi Dahl's practice location on file with NPPES is 4528 Chapman Hwy, Knoxville, TN 37920-4359.
- What is Heidi Dahl's phone number?
- The practice phone number listed in the NPPES registry for Heidi Dahl is (865) 579-3920.
- Does Heidi Dahl accept Medicare?
- Heidi Dahl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heidi Dahl's NPI active?
- Yes — Heidi Dahl's NPI (1396373536) is active in the NPPES registry as of the last update on 2026-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.