Dr. Robert Clarence Ash, MD
- Medicare services, 2022
- 98
- Part D claims, 2023
- 18
- Industry payments
- $33
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 1628 N Main St, Rushville, IN 46173-1121
- Practice phone
- Call (317) 445-8575
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hematology Oncology Consultants
Physician office · Rushville, Indiana
Find Dr. Ash'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. Robert Clarence Ash is an emergency medicine physician in Montgomery, Ohio
Dr. Ash practices at Hematology Oncology Consultants in Rushville, Indiana.
Dr. Ash's NPI, 1366467540, was assigned on July 12, 2006. Dr. Ash graduated from University of Missouri, Columbia School of Medicine in 1975. Dr. Ash holds Indiana license 01041068A.
- NPI
- 1366467540NPI Registry (opens in a new tab)
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Practice phone
- (317) 445-8575
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Clarence Ash practices in Rushville and Montgomery
Dr. Ash's primary practice is Hematology Oncology Consultants, at 1628 N Main St, Rushville, IN 46173-1121. The practice phone is (317) 445-8575. The NPI Registry lists Dr. Ash's practice address as 10500 Montgomery Rd, Montgomery, OH 45242.
- Hematology Oncology ConsultantsPrimary1628 N Main St, Rushville, IN 46173-1121Phone(317) 445-8575
- NPI Registry address10500 Montgomery Rd, Montgomery, OH 45242 · Hamilton CountyPhone(317) 849-2653
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert Clarence Ash is affiliated with 1 site of care and 2 medical groups
Dr. Ash's primary practice is Hematology Oncology Consultants in Rushville, Indiana. The medical group on file is Vituity. Dmand AI also links Dr. Ash to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Clarence 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 |
|---|---|
| Hematology Oncology Consultants | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Clarence Ash is one of 2,401 emergency medicine physicians in Ohio
Emergency medicine is Dr. Ash's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ash is licensed in Indiana.
Specialties and state licenses
- Emergency medicine, IndianaPrimary
Emergency medicine physicians near Dr. Ash
Counts of emergency medicine physicians 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. Robert Clarence Ash billed Medicare for 98 services in 2022
CMS data shows 98 Medicare services from Dr. Ash across 3 procedure codes in 2022. Medicare paid $10,613 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ash's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1912022: 9849%
Dr. Ash compared with the Ohio median for emergency medicine physicians, 2022
- Dr. Ash
- Ohio median
- Medicare services
- 98vs 26663% below
- Part D claims
- 18vs 6572% below
Medians across 2,448 emergency medicine physicians in Ohio with Dmand AI profiles that report each measure.
Dr. Ash's most billed Medicare procedure codes, 2022
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 emergency medicine physicians in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Clarence Ash's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Ash's median patient age at 78, with 0% women.
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 78
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Robert Clarence Ash wrote 18 Medicare Part D claims in 2023
In 2023, Dr. Ash wrote 18 Medicare Part D claims. They cover 1 drug, with $256 in total drug cost. In 2022, CMS named 26 claims across 2 drugs.
Dr. Ash's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 262023: 1831%
Drugs named by CMS: 1 in 2023, 2 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert Clarence Ash received $33 in industry payments in 2019
CMS Open Payments shows 2 general payments to Dr. Ash from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Vapotherm Inc paid the most, $33.
Companies that paid Dr. Ash the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Clarence Ash graduated from University of Missouri, Columbia School of Medicine
Dr. Ash graduated from University of Missouri, Columbia School of Medicine in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Clarence 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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Robert Clarence 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. Robert Clarence Ash's NPI number?
Dr. Robert Clarence Ash's NPI number is 1366467540. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Clarence Ash?
Dr. Robert Clarence Ash is an emergency medicine physician in Montgomery, Ohio. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Robert Clarence Ash practice?
Dr. Ash practices at 1628 N Main St, Rushville, IN 46173-1121. Dr. Ash also practices at 10500 Montgomery Rd, Montgomery, OH 45242. Dr. Ash's primary practice is Hematology Oncology Consultants in Rushville, Indiana. Dmand AI also links Dr. Ash to 1 medical group.
What is Dr. Robert Clarence Ash's office phone number?
The practice phone on file for Dr. Ash is (317) 445-8575.
What is Dr. Robert Clarence Ash's medical license number?
Dr. Ash holds Indiana license 01041068A.
What medical group is Dr. Robert Clarence Ash part of?
Dr. Ash is linked to Vituity. Dmand AI links Dr. Ash to 1 more medical group.
Does Dr. Robert Clarence Ash accept Medicare?
Yes. CMS data shows Dr. Ash billed Medicare for 98 services in 2022.
What services does Dr. Robert Clarence Ash bill to Medicare?
In 2022, Dr. Ash's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
Where did Dr. Robert Clarence Ash go to medical school?
Dr. Ash graduated from University of Missouri, Columbia School of Medicine in 1975.
What drugs does Dr. Robert Clarence Ash prescribe most?
In 2023 Medicare Part D data, Dr. Ash's most prescribed drugs by claims were Albuterol Sulfate Hfa.
Has Dr. Robert Clarence Ash received payments from drug or device companies?
CMS Open Payments shows $33 in general payments to Dr. Ash from 1 company from 2019 to 2019. The largest total came from Vapotherm Inc.
How long has Dr. Robert Clarence Ash been practicing?
Dr. Ash graduated from medical school in 1975, 51 years ago.
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