NPPES file of Aug 9, 2026

Erin L. Greer, M.D.

Nephrology Physician · Sioux Falls, SD

Erin L. Greer, M.D. is a nephrology physician with a practice address in Sioux Falls, South Dakota, and NPI 1780662437, issued on Jan 4, 2006. Check the license (South Dakota 11992, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780662437
Name
Erin L. Greer
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
11992 SD
ME106873 FL
Self-reported in NPPES; status is on the state search
Practice location
1315 S Cliff Ave Ste 2000, Sioux Falls, SD 57105
Phone
(605) 322-5800
Enumerated
Jan 4, 2006
Record last updated
Sep 21, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(605) 322-5801
Medicaid IDs
347970600 MN
002710800 FL
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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Also registered at 1315 S Cliff Ave Ste 2000

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Holly Jensen, DNP, ARNPFamily Nurse Practitioner1154874204
  2. Elizabeth Kallsen, CNPFamily Nurse Practitioner1437629987
  3. Wyatt KnoblochFamily Nurse Practitioner1043966914
  4. Kevin Marquez, M.D.Nephrology Physician1205179470

Verify Erin L. Greer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 11992
    Check 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

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76% more Medicare Part D claims than the average nephrology physician in 2024

2,577 Medicare Part D claims for 318 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Erin Greer2,577
  2. Specialty average1,465

Most prescribed

  1. Lisinopril242 claims
  2. Furosemide225 claims
  3. Amlodipine Besylate205 claims
  4. Losartan Potassium201 claims
  5. Carvedilol181 claims
  6. Hydralazine Hcl162 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.

Industry payments in 2024: $31.87

1 payment: food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Erin Greer$31.87
  2. Specialty average$3,091.37

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

Erin L. Greer among 26 nephrology physician records in South Dakota

Erin L. Greer, M.D. is one of 26 nephrology physician records with a practice address in South Dakota. 96% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.

  • NPI issued2006 · 0% of these records are older, 58% newer
  • In a Medicare fileYes · 96% of these records are
  • In the CMS Doctors and Clinicians fileNo · 81% of these records are
  • Record last updated2020 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in South Dakota

There are 26 nephrology physician records in South Dakota.

The 8 nephrology physician records with the nearest ZIP codes

  1. Dana Brandys, D.O.Sioux Falls, SD 571051336339357
  2. Lu Huber, MDSioux Falls, SD 571051629278759
  3. David Kovaleski, M.D.Sioux Falls, SD 571051902872674
  4. Christina Lankhorst, MDSioux Falls, SD 571051134336340
  5. Julie Ann Linatoc, MDSioux Falls, SD 571051265680466
  6. Kevin Marquez, M.D.Sioux Falls, SD 571051205179470
  7. Tina Melanson, M.D.Sioux Falls, SD 571051437125119
  8. Ismail OmranSioux Falls, SD 571051023539590

Common questions

What is Erin L. Greer, M.D.'s NPI number?

Erin L. Greer, M.D.'s National Provider Identifier (NPI) is 1780662437, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Erin L. Greer, M.D. located?

The NPPES record lists a practice address at 1315 S Cliff Ave Ste 2000, Sioux Falls, SD, 57105. Phone: (605) 322-5800. Providers update this record themselves, so call before visiting.

How can I verify Erin L. Greer, M.D.'s license?

NPPES lists South Dakota license number 11992, as entered by the provider. 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 Erin L. Greer, M.D. prescribe under Medicare Part D?

In 2024, Erin L. Greer, M.D. had 2,577 Medicare Part D claims for 318 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.