Alison Tendler, M.D.
NPI 1205812328 · Ophthalmology Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison Tendler, M.D. is a Ophthalmology Physician provider in Sioux Falls, SD (NPI 1205812328).
Provider details
- NPI number
- 1205812328
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 5912 (SD)
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
20 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
1,472 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) |
|---|---|---|
| Microfluid Analysis of Tears83861 | 318 | $22 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 107 | $130 |
| Photography of Content of Eyes92285 | 106 | $23 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $92 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 84 | $58 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 |
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 |
|---|---|---|
| Doxycycline Hyclate | 95 | 29 |
| Cyclosporinebrand: Restasis | 81 | 49 |
| Fluorometholone | 66 | 34 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 59 | 48 |
| Loteprednol Etabonate | 54 | 24 |
| Erythromycin Basebrand: Erythromycin | 54 | 19 |
| Lifitegrastbrand: Xiidra | 42 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,110 across 23 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
- 2005-12-20
- Last updated
- 2020-06-09
- Certified
- 2020-06-09
Frequently asked questions
- What is Alison Tendler's NPI number?
- Alison Tendler's National Provider Identifier (NPI) is 1205812328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Tendler's specialty?
- Alison Tendler is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Alison Tendler located?
- Alison Tendler's practice location on file with NPPES is 2101 W 69th St Unit 204, Sioux Falls, SD 57108-5624.
- What is Alison Tendler's phone number?
- The practice phone number listed in the NPPES registry for Alison Tendler is (605) 306-2020.
- Does Alison Tendler accept Medicare?
- Alison Tendler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison Tendler's NPI active?
- Yes — Alison Tendler's NPI (1205812328) is active in the NPPES registry as of the last update on 2020-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.