Registry data as of Aug 27, 2026

Alison Tendler, M.D.

Ophthalmology Physician · Sioux Falls, SD

Alison Tendler, M.D. is an ophthalmology physician with a practice address in Sioux Falls, South Dakota, and NPI 1205812328, issued on Dec 20, 2005. Check the license on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1205812328
Name
Alison Tendler
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
2101 W 69TH St Unit 204, Sioux Falls, SD 57108
Phone
(605) 306-2020
Enumerated
Dec 20, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Alison Tendler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic ExaminersCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

60% fewer Medicare Part D claims than the average ophthalmology physician in 2024

594 Medicare Part D claims for 180 beneficiaries, against an average of 1,490 among the 16,109 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. Alison Tendler594
  2. Specialty average1,490

Most prescribed

  1. Doxycycline Hyclate95 claims
  2. Restasis81 claims
  3. Fluorometholone66 claims
  4. Neomycin-Polymyxin-Dexameth59 claims
  5. Erythromycin54 claims
  6. Loteprednol Etabonate54 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The Medicare quality score for 2023: 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,110.48

23 payments, mostly compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Abbvie Inc.. The 12,922 providers of this specialty with any payment received $4,937.17 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alison Tendler$2,110.48
  2. Specialty average$4,937.17

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Ophthalmology Physician providers in South Dakota

There are 56 ophthalmology physician records in South Dakota.

Other ophthalmology physician records in South Dakota

  1. Elizabeth Atchison, M.D.Sioux Falls, SD1669738183
  2. Ken Augspurger, MDSioux Falls, SD1942253919
  3. Zachary Berbos, MDRapid City, SD1497996433
  4. John Berdahl, M.D.Sioux Falls, SD1871761577
  5. Cory Bergman, MDRapid City, SD1285049940
  6. Gail BernardRapid City, SD1508817784
  7. Ray Birkenkamp, M.D.Mitchell, SD1174594741
  8. Andrea Bordewyk, MDSioux Falls, SD1255829776
  9. John Bormes, M.D.Aberdeen, SD1578568978
  10. Beth Bruening, M.D.Dakota Dunes, SD1467423517

Common questions

What is Alison Tendler, M.D.'s NPI number?

Alison Tendler, M.D.'s National Provider Identifier (NPI) is 1205812328, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alison Tendler, M.D. located?

The NPPES record lists a practice address at 2101 W 69TH St Unit 204, Sioux Falls, SD, 57108. Phone: (605) 306-2020. Providers update this record themselves, so call before visiting.

How can I verify Alison Tendler, M.D.'s license?

Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alison Tendler, M.D. prescribe under Medicare Part D?

In 2024, Alison Tendler, M.D. had 594 Medicare Part D claims for 180 beneficiaries; the average among ophthalmology physician prescribers was 1,490. Part D covers Medicare prescriptions only.

What is Alison Tendler, M.D.'s Medicare quality score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.