Dr. Stephen Alan Ash, MD
- Medicare services, 2024
- 1,107
- Medicare patients, 2024
- 209
- Part D claims, 2024
- 52
- MIPS score, 2024
- 80
- Industry payments
- $135
- Practice address
- 450 Laurel St, Des Moines, IA 50314
- Practice phone
- Call (515) 323-6400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercyone River Hills Surgery Center
Des Moines, Iowa
Find Dr. Ash's professional email, personal email and mobile number
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Dr. Stephen Alan Ash is an orthopedic surgeon in Des Moines, Iowa
Dr. Ash practices at Mercyone River Hills Surgery Center in Des Moines, Iowa.
Dr. Ash's NPI, 1295796670, was assigned on March 28, 2006. Dr. Ash graduated from University of Iowa, RJ & L Carver College of Medicine in 1993. Dr. Ash holds Iowa license 32626.
- NPI
- 1295796670NPI Registry (opens in a new tab)
- NPI enumeration date
- March 28, 2006
- NPI status
- Active
- Practice phone
- (515) 323-6400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Stephen Alan Ash practices at Mercyone River Hills Surgery Center in Des Moines, Iowa
Dr. Ash's primary practice is Mercyone River Hills Surgery Center, at 450 Laurel St, Des Moines, IA 50314 in Polk County. The practice phone is (515) 323-6400.
- Mercyone River Hills Surgery Center450 Laurel St, Des Moines, IA 50314 · Polk CountyPhone(515) 323-6400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen Alan Ash is affiliated with 2 sites of care and 1 medical group
Dr. Ash's primary practice is Mercyone River Hills Surgery Center in Des Moines, Iowa. The medical group on file is Iowa Ortho. Dmand AI also links Dr. Ash to 1 more group practice or clinic, 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. Stephen Alan Ash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ash practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercyone River Hills Surgery Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Alan Ash is one of 219 orthopedic surgeons in Iowa
Orthopaedic surgery is Dr. Ash's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Ash is licensed in Iowa.
Specialties and state licenses
- Orthopaedic surgery, IowaPrimary
Orthopedic surgeons near Dr. Ash
Counts of orthopedic surgeons 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. Stephen Alan Ash billed Medicare for 1,107 services in 2024
CMS data shows 1,107 Medicare services from Dr. Ash across 12 procedure codes in 2024, for 209 Medicare patients. Medicare paid $37,982 for them. Every service was in an office.
Dr. Ash's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 5162024: 514No change
- Office and hospital visits
- 2023: 3812024: 26431%
- Imaging
- 2023: 3592024: 20244%
- Surgery
- 2023: 1362024: 1277%
Dr. Ash compared with the Iowa median for orthopedic surgeons, 2024
- Dr. Ash
- Iowa median
- Medicare services
- 1,107vs 1,0268% above
- Medicare patients
- 209vs 28527% below
- Part D claims
- 45vs 10055% below
Medians across 221 orthopedic surgeons in Iowa with Dmand AI profiles that report each measure.
Dr. Ash'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ash and other orthopedic surgeons in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Alan Ash treated 209 Medicare patients in 2024, average age 74
CMS counts 209 Medicare patients who saw Dr. Ash in 2024. The largest group is 65 to 74, with 103 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ash's median patient age at 58, with 55% women.
Dr. Ash's Medicare patients by age, 2024
Dr. Ash's Medicare patients by sex, 2024
- Women11756%
- Men9244%
Chronic conditions among Dr. Ash's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis64%
- Diabetes27%
- Mood disorders24%
- Chronic kidney disease22%
- Depression22%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ash's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Alan Ash wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Ash wrote 52 Medicare Part D claims for 25 patients. 100% of them were for generic drugs. CMS names the drug for 45 of them, across 3 drugs with 11 or more claims each, at $177 in total drug cost. In 2023, CMS named 43 claims across 3 drugs.
Dr. Ash'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. Ash's Part D claims, 2024
- Opioids71%37 of 52 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: 432024: 455%
Drugs named by CMS: 3 in 2024, 3 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
Dr. Stephen Alan Ash scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Ash for performance year 2024, reported as part of a group.
Dr. Ash's MIPS scores, performance year 2024
- 80of 100Final score
- 66.9of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Stephen Alan Ash received $135 in industry payments from 2017 to 2022
CMS Open Payments shows 3 general payments to Dr. Ash from 2 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $122.
General payments to Dr. Ash by program year, 2017 to 2022
Companies that paid Dr. Ash the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Alan Ash graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Ash graduated from University of Iowa, RJ & L Carver College of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen Alan Ash'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 | Clinician Public Reporting: Overall MIPS Performance (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. Stephen Alan Ash
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. Stephen Alan Ash's NPI number?
Dr. Stephen Alan Ash's NPI number is 1295796670. It was assigned on March 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Alan Ash?
Dr. Stephen Alan Ash is an orthopedic surgeon in Des Moines, Iowa. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Stephen Alan Ash practice?
Dr. Ash practices at 450 Laurel St, Des Moines, IA 50314. Dr. Ash's primary practice is Mercyone River Hills Surgery Center in Des Moines, Iowa. Dmand AI also links Dr. Ash to 1 group practice or clinic.
What is Dr. Stephen Alan Ash's office phone number?
The practice phone on file for Dr. Ash is (515) 323-6400.
What is Dr. Stephen Alan Ash's medical license number?
Dr. Ash holds Iowa license 32626.
What medical group is Dr. Stephen Alan Ash part of?
Dr. Ash is linked to Iowa Ortho.
Does Dr. Stephen Alan Ash accept Medicare?
Yes. CMS data shows Dr. Ash billed Medicare for 1,107 services in 2024.
What is Dr. Stephen Alan Ash's MIPS score?
Dr. Ash's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
How many Medicare patients does Dr. Stephen Alan Ash see?
CMS counts 209 Medicare patients who saw Dr. Ash in 2024, with an average age of 74.
What services does Dr. Stephen Alan Ash bill to Medicare?
In 2024, Dr. Ash's most billed Medicare services were injected or infused drug (J1100), surgery: bones and joints (20610) and office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Stephen Alan Ash go to medical school?
Dr. Ash graduated from University of Iowa, RJ & L Carver College of Medicine in 1993.
What drugs does Dr. Stephen Alan Ash prescribe most?
In 2024 Medicare Part D data, Dr. Ash's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone HCl and Ondansetron HCl.
Has Dr. Stephen Alan Ash received payments from drug or device companies?
CMS Open Payments shows $135 in general payments to Dr. Ash from 2 companies from 2017 to 2022. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Stephen Alan Ash been practicing?
Dr. Ash graduated from medical school in 1993, 33 years ago.
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