Clin J Am Soc Nephrol
Coronary DiseaseEvidence-Based MedicineHydroxymethylglutaryl-CoA Reductase Inhibitors
Dr. Erin L. Greer, MD
NPI1780662437
- Medicare services, 2024
- 1,051
- Medicare patients, 2024
- 511
- Part D claims, 2024
- 2,577
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 1101 9th Street SE, Sioux Center, IA 51250
- Practice phone
- Call (712) 722-1271
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Greer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Erin L. Greer is a nephrologist in Sioux Center, Iowa
Dr. Greer practices at Sioux Center Health in Sioux Center, Iowa, part of Sioux Center Health.
Dr. Greer's NPI, 1780662437, was assigned on January 4, 2006. Dr. Greer graduated from University of Missouri School of Medicine in 2004. Dr. Greer holds South Dakota license 11992.
NPI and contact details
- NPI
- 1780662437NPI Registry (opens in a new tab)
- NPI enumeration date
- January 4, 2006
- NPI status
- Active
- Practice phone
- (712) 722-1271
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Erin L. Greer practices at Sioux Center Health in Sioux Center, Iowa
Dr. Greer's primary practice is Sioux Center Health, at 1101 9th Street SE, Sioux Center, IA 51250 in Sioux County. The practice phone is (712) 722-1271.
- Sioux Center Health1101 9th Street SE, Sioux Center, IA 51250 · Sioux CountyPhone(712) 722-1271
Source: Dmand AI Affiliation Data
Dr. Erin L. Greer is affiliated with 2 sites of care and 1 medical group
Dr. Greer's primary practice is Sioux Center Health in Sioux Center, Iowa, part of Sioux Center Health. The medical group on file is Avera McKennan Hospital & University Health Center. Dmand AI also links Dr. Greer to 1 more group practice or clinic, named with a free account.
Avera McKennan Hospital & University Health Center1 group practice or clinicName with a free account
See all 3 affiliations for Dr. GreerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Erin L. Greer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sioux Center Health | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Greer practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sioux Center Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Erin L. Greer is one of 95 nephrologists in Iowa
Nephrology is Dr. Greer's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Greer is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Greer's licenses on file in 6 states: South Dakota, Oregon, California, Minnesota, Montana and Florida.
Specialties and state licenses
- Nephrology, South DakotaPrimary
- Oregon license
- California license
- Minnesota license
- Montana license
- Florida license
Clinical focus
Dmand AI lists acute kidney failure and chronic kidney disease among the conditions Dr. Greer treats.
Nephrologists near Dr. Greer
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Erin L. Greer billed Medicare for 1,051 services in 2024
CMS data shows 1,051 Medicare services from Dr. Greer across 8 procedure codes in 2024, for 511 Medicare patients. Medicare paid $107,946 for them.
Medicare services, 20241,051
Medicare patients511
Paid by Medicare$107,946
Procedure codes8
Dr. Greer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0202024: 80621%
- Tests and treatments
- 2023: 8132024: 24570%
Where Dr. Greer's Medicare services took place, 2024
- In an office66463%
- In a facility38737%
Dr. Greer compared with the Iowa median for nephrologists, 2024
- Dr. Greer
- Iowa median
- Medicare services
- 1,051vs 83027% above
- Medicare patients
- 511vs 35146% above
- Part D claims
- 2,450vs 5814.2 times
Medians across 92 nephrologists in Iowa with Dmand AI profiles that report each measure.
Dr. Greer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Greer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greer and other nephrologists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Erin L. Greer treated 511 Medicare patients in 2024, average age 75
CMS counts 511 Medicare patients who saw Dr. Greer in 2024. The largest group is 65 to 74, with 213 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 16% are also on Medicaid. Their average risk score is 2.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Greer's median patient age at 63, with 56% women.
Medicare patients, 2024511
Average age75
Average risk score2.75
Also on Medicaid16%
Dr. Greer's Medicare patients by age, 2024
Dr. Greer's Medicare patients by sex, 2024
- Women25650%
- Men25550%
Chronic conditions among Dr. Greer's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes58%
- Arthritis46%
- Ischemic heart disease43%
- Heart failure37%
- Atrial fibrillation31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erin L. Greer wrote 2,577 Medicare Part D claims in 2024
In 2024, Dr. Greer wrote 2,577 Medicare Part D claims for 318 patients. 98% of them were for generic drugs. CMS names the drug for 2,450 of them, across 34 drugs with 11 or more claims each, at $156,474 in total drug cost. In 2023, CMS named 2,699 claims across 36 drugs.
Part D claims, 20242,577
Drugs named by CMS34
Total drug cost$156,474
Part D patients318
Dr. Greer's Part D claims by kind of drug, 2024
- Generic2,514 claims98%
- Brand-name and other63 claims2%
Dr. Greer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Greer's Part D claims, 2024
- Antibiotics1%29 of 2,577 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,6992024: 2,4509%
Drugs named by CMS: 34 in 2024, 36 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Find nephrologists like Dr. Greer by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Erin L. Greer has 3 publications on record
Dmand AI links 3 papers to Dr. Greer, published from 2007 to 2011. Dr. Greer's most frequent co-authors are Rowena Bayudan Delos Santos, MD, Todd J. Kowalski, MD and Jose F. Rueda, MD.
Papers3
Years published2007 to 2011
Dr. Greer's most frequent co-authors
- Rowena Bayudan Delos Santos, MD1 shared paper
- Todd J. Kowalski, MD1 shared paper
- Jose F. Rueda, MD1 shared paper
Recent publications by Dr. Greer
Cardiovasc Pathol
Amphotericin BAntifungal AgentsBioprosthesis
Acta Physiol (Oxf)
AgingCell Cycle ProteinsForkhead Transcription Factors
See who Dr. Greer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Greer works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Erin L. Greer received $2,340 in industry payments from 2016 to 2025
CMS Open Payments shows 113 general payments to Dr. Greer from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Keryx Biopharmaceuticals, Inc. paid the most, $704.
General payments to Dr. Greer by program year, 2016 to 2025
General payments to Dr. Greer by kind, 2016 to 2025
$2.3Kin total
- Food and beverage$2,32899%
- Education$121%
Companies that paid Dr. Greer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Erin L. Greer has 1 award and honors on record
Dmand AI lists 1 award for Dr. Greer, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Greer
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Erin L. Greer graduated from University of Missouri School of Medicine
Dr. Greer graduated from University of Missouri School of Medicine in 2004.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Erin L. Greer accepts plans from 16 insurance carriers
Dr. Greer is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- Elevance
- HCSC
- Medica
- Alliant Health Plans
- +8 more carriersWith a free account
Plan types Dr. Greer accepts, by number of carriers
- PPO11
- HMO10
- Medicare7
- POS6
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Erin L. Greer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Erin L. Greer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Erin L. Greer's NPI number?
Dr. Erin L. Greer's NPI number is 1780662437. It was assigned on January 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Erin L. Greer?
Dr. Erin L. Greer is a nephrologist in Sioux Center, Iowa. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Erin L. Greer practice?
Dr. Greer practices at 1101 9th Street SE, Sioux Center, IA 51250. Dr. Greer's primary practice is Sioux Center Health in Sioux Center, Iowa, part of Sioux Center Health. Dmand AI also links Dr. Greer to 1 group practice or clinic.
What is Dr. Erin L. Greer's office phone number?
The practice phone on file for Dr. Greer is (712) 722-1271.
What is Dr. Erin L. Greer's medical license number?
Dr. Greer holds South Dakota license 11992, one of the licenses on file in 6 states.
Which states has Dr. Erin L. Greer been licensed in?
Dmand AI has state licenses on file for Dr. Greer in South Dakota, Oregon (since 2008), California (2024 to 2027), Minnesota (2020 to 2026), Montana (2022 to 2026) and Florida (2010 to 2024).
Which hospitals is Dr. Erin L. Greer affiliated with?
Dr. Greer practices at Sioux Center Health in Sioux Center, Iowa.
What medical group is Dr. Erin L. Greer part of?
Dr. Greer is linked to Avera McKennan Hospital & University Health Center.
Does Dr. Erin L. Greer accept Medicare?
Yes. CMS data shows Dr. Greer billed Medicare for 1,051 services in 2024.
How many Medicare patients does Dr. Erin L. Greer see?
CMS counts 511 Medicare patients who saw Dr. Greer in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Erin L. Greer board certified?
Yes. Dr. Greer is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Erin L. Greer bill to Medicare?
In 2024, Dr. Greer's most billed Medicare services were office visit, established patient (99214), dialysis (90961) and hospital inpatient care (99232).
Where did Dr. Erin L. Greer go to medical school?
Dr. Greer graduated from University of Missouri School of Medicine in 2004.
What drugs does Dr. Erin L. Greer prescribe most?
In 2024 Medicare Part D data, Dr. Greer's most prescribed drugs by claims were Lisinopril, Furosemide and Amlodipine Besylate.
Has Dr. Erin L. Greer received payments from drug or device companies?
CMS Open Payments shows $2,340 in general payments to Dr. Greer from 24 companies from 2016 to 2025. The largest total came from Keryx Biopharmaceuticals, Inc.
How long has Dr. Erin L. Greer been practicing?
Dr. Greer graduated from medical school in 2004, 22 years ago.
Does Dr. Erin L. Greer do research?
Dmand AI links 3 publications to Dr. Greer, published from 2007 to 2011.
Who does Dr. Erin L. Greer publish with?
Dr. Greer's most frequent co-authors are Rowena Bayudan Delos Santos, MD (1 shared paper), Todd J. Kowalski, MD (1 shared paper) and Jose F. Rueda, MD (1 shared paper).
What insurance does Dr. Erin L. Greer accept?
Dr. Greer is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to nephrology practices?
See nephrologists in Iowa by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card