Dr. Marla Janelle Greiner, MD
- Medicare services, 2024
- 1,345
- Medicare patients, 2024
- 382
- Part D claims, 2024
- 787
- Hospital affiliations
- 2
- Industry payments
- $31,603
- Practice address
- 4323 NW Urbandale Dr, Urbandale, IA 50322
- Practice phone
- Call (515) 875-9100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Iowa Clinic
Urbandale, Iowa
Find Dr. Greiner'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. Marla Janelle Greiner is a urologist in Urbandale, Iowa
Dr. Greiner practices at The Iowa Clinic in Urbandale, Iowa.
Dr. Greiner's NPI, 1811336068, was assigned on June 20, 2013. Dr. Greiner graduated from Emory University School of Medicine in 2013. Dr. Greiner holds Iowa license MD-52101.
- NPI
- 1811336068NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224264601
- NPI enumeration date
- June 20, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (515) 875-9100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marla Janelle Greiner practices at The Iowa Clinic in Urbandale, Iowa
Dr. Greiner's primary practice is The Iowa Clinic, at 4323 NW Urbandale Dr, Urbandale, IA 50322 in Polk County. The practice phone is (515) 875-9100.
- The Iowa Clinic4323 NW Urbandale Dr, Urbandale, IA 50322 · Polk CountyPhone(515) 875-9100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marla Janelle Greiner is affiliated with 4 sites of care and 3 medical groups
Dr. Greiner's primary practice is The Iowa Clinic in Urbandale, Iowa. Dr. Greiner is also affiliated with UnityPoint Health - Iowa Methodist Medical Center. The medical group on file is The Iowa Clinic. Dmand AI also links Dr. Greiner to 1 more hospital, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Marla Janelle Greiner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greiner practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Iowa Clinic | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marla Janelle Greiner is one of 109 urologists in Iowa
Urology is Dr. Greiner's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dmand AI has Dr. Greiner's licenses on file in 2 states: Iowa and Florida.
Specialties and state licenses
- Urology, IowaPrimary
- Florida license
Urologists near Dr. Greiner
Counts of urologists 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. Marla Janelle Greiner billed Medicare for 1,345 services in 2024
CMS data shows 1,345 Medicare services from Dr. Greiner across 18 procedure codes in 2024, for 382 Medicare patients. Medicare paid $76,660 for them.
Dr. Greiner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 382024: 5101242%
- Surgery
- 2023: 242024: 4201650%
- Lab and pathology
- 2023: 02024: 309
- Other services
- 2023: 02024: 106
Where Dr. Greiner's Medicare services took place, 2024
- In an office1,24793%
- In a facility987%
Dr. Greiner compared with the Iowa median for urologists, 2024
- Dr. Greiner
- Iowa median
- Medicare services
- 1,345vs 1,48810% below
- Medicare patients
- 382vs 46418% below
- Part D claims
- 694vs 79713% below
Medians across 111 urologists in Iowa with Dmand AI profiles that report each measure.
Dr. Greiner'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. Greiner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greiner and other urologists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marla Janelle Greiner treated 382 Medicare patients in 2024, average age 75
CMS counts 382 Medicare patients who saw Dr. Greiner in 2024. The largest group is 65 to 74, with 167 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Greiner's median patient age at 71, with 39% women.
Dr. Greiner's Medicare patients by age, 2024
Dr. Greiner's Medicare patients by sex, 2024
- Women15541%
- Men22759%
Chronic conditions among Dr. Greiner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Mood disorders30%
- Chronic kidney disease29%
- Ischemic heart disease29%
- Depression28%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greiner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women39%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marla Janelle Greiner wrote 787 Medicare Part D claims in 2024
In 2024, Dr. Greiner wrote 787 Medicare Part D claims for 318 patients. 95% of them were for generic drugs. CMS names the drug for 694 of them, across 14 drugs with 11 or more claims each, at $45,549 in total drug cost. In 2023, CMS named 599 claims across 13 drugs.
Dr. Greiner's Part D claims by kind of drug, 2024
- Generic744 claims95%
- Brand-name and other43 claims5%
Dr. Greiner'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. Greiner's Part D claims, 2024
- Opioids13%100 of 787 claims
- Antibiotics18%144 of 787 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: 5992024: 69416%
Drugs named by CMS: 14 in 2024, 13 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
How Dr. Marla Janelle Greiner takes part in Medicare
Dr. Greiner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Marla Janelle Greiner received $31,603 in industry payments from 2016 to 2025
CMS Open Payments shows 20 general payments to Dr. Greiner from 9 drug and device companies from 2016 to 2025. Grants make up the largest share, 95% of the total. Boston Scientific Corporation paid the most, $31,228.
General payments to Dr. Greiner by program year, 2016 to 2025
General payments to Dr. Greiner by kind, 2016 to 2025
- Grants$30,13795%
- Food and beverage$9073%
- Travel and lodging$5582%
Companies that paid Dr. Greiner 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. Marla Janelle Greiner graduated from Emory University School of Medicine
Dr. Greiner graduated from Emory University School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marla Janelle Greiner'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Marla Janelle Greiner
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. Marla Janelle Greiner's NPI number?
Dr. Marla Janelle Greiner's NPI number is 1811336068. It was assigned on June 20, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Marla Janelle Greiner?
Dr. Marla Janelle Greiner is a urologist in Urbandale, Iowa. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Marla Janelle Greiner practice?
Dr. Greiner practices at 4323 NW Urbandale Dr, Urbandale, IA 50322. Dr. Greiner's primary practice is The Iowa Clinic in Urbandale, Iowa. Dmand AI also links Dr. Greiner to 1 hospital, 2 medical groups and 1 group practice or clinic.
What is Dr. Marla Janelle Greiner's office phone number?
The practice phone on file for Dr. Greiner is (515) 875-9100.
What is Dr. Marla Janelle Greiner's medical license number?
Dr. Greiner holds Iowa license MD-52101, one of the licenses on file in 2 states.
Which states has Dr. Marla Janelle Greiner been licensed in?
Dmand AI has state licenses on file for Dr. Greiner in Iowa and Florida.
Which hospitals is Dr. Marla Janelle Greiner affiliated with?
Dr. Greiner is affiliated with UnityPoint Health - Iowa Methodist Medical Center. Dmand AI links Dr. Greiner to 1 more hospital.
What medical group is Dr. Marla Janelle Greiner part of?
Dr. Greiner is linked to The Iowa Clinic. Dmand AI links Dr. Greiner to 2 more medical groups.
Does Dr. Marla Janelle Greiner accept Medicare?
Yes. CMS data shows Dr. Greiner billed Medicare for 1,345 services in 2024, and Dr. Greiner accepts Medicare assignment.
How many Medicare patients does Dr. Marla Janelle Greiner see?
CMS counts 382 Medicare patients who saw Dr. Greiner in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Marla Janelle Greiner bill to Medicare?
In 2024, Dr. Greiner's most billed Medicare services were surgery: urinary system (51798), lab and pathology test (81003) and office visit, established patient (99214).
Where did Dr. Marla Janelle Greiner go to medical school?
Dr. Greiner graduated from Emory University School of Medicine in 2013.
What drugs does Dr. Marla Janelle Greiner prescribe most?
In 2024 Medicare Part D data, Dr. Greiner's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Hydrocodone-Acetaminophen.
Has Dr. Marla Janelle Greiner received payments from drug or device companies?
CMS Open Payments shows $31,603 in general payments to Dr. Greiner from 9 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Marla Janelle Greiner been practicing?
Dr. Greiner graduated from medical school in 2013, 13 years ago.
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