NPI registry status
Active
2026 NPPES data Nephrology Physician NPI 1356558894 M.D.
Verify on CMS → Ashok Ammula, M.D.
Nephrology Physician in Dayton, Ohio.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 10,569 in Nephrology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
2K
Medicare Part D claims · 289 beneficiaries · Nephrology Physician avg: 1K
Generic prescribing
92%
generic claims · 8% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$197.56
12 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Ashok Ammula, M.D. filed 1,648 Medicare Part D claims in 2023 as a Nephrology Physician in Dayton, Ohio, prescribing 92% generic.
- 2K
- Part D claims, 2023
- 92%
- generic prescribing
- Likely
- board-certified (heuristic)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Ashok Ammula, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
1,648 Top 18% higher than 82% of 1,370,886 prescribers
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Part D Prescriber Public Use File · 2023
✓
Board certification likely (heuristic, not verified)
Ashok Ammula, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 2 hospital affiliations - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Ashok Ammula, M.D.?
Quality data not reportedPrimary specialty
Nephrology Physician
Medicare Part D claims
1,648 13% vs specialty avg
Specialty distribution in Ohio
How Nephrology Physician compares to other specialties among Ohio providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Nephrology Physician. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Ashok Ammula, M.D. appears in the CMS NPPES registry as a Nephrology Physician provider holding M.D. credentials at 7700 WASHINGTON VILLAGE DR., Dayton, OH, 45459, with a listed phone of (937) 438-3132. NPI 1356558894 was issued on 05/16/2007.
Medicare Part D records for calendar year 2023 show 1,648 prescription claims written by this provider, covering 289 Medicare beneficiaries and totaling roughly $102K in drug spend, split 8% brand-name and 92% generic by claim count.
Nephrology Physician is a mid-sized specialty nationwide, with 10,569 enrolled providers across 55 states and an average of 1,454 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1356558894 |
|---|---|
| Specialty | Nephrology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 05/16/2007 |
Hospital and facility affiliations
Facilities where Ashok Ammula, M.D. bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Nephrology Associates OF Dayton Inc
Dayton, OH
Renal Physicians Inc
Dayton, OH
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Ashok Ammula, M.D.. Source: openpaymentsdata.cms.gov.
Total received
$198
Largest payer
Travere Therapeutics, Inc.
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
License & disciplinary context - Ohio OMB 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~48K Ohio medical licensees in 2023 - they are NOT specific to Ashok Ammula, M.D.. To verify Ashok Ammula, M.D.'s current license status, search the OMB public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
158
Total board actions, Ohio 2023
Across 154 cases
3.29
Actions per 1,000 licensees
Ohio statewide rate
probation
Most common action type
56 cases
OMB publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Ohio disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Generic-heavy
Ashok Ammula, M.D. - brand share 8.0%
Nephrology Physician average
8% brand-name claims vs 92% generic, on 1,648 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
1,648
Total Claims
$102K
Total Drug Cost
289
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 3,656
- Total Day Supply
- 108,461
- Brand vs Generic
- 8% brand / 92% generic
- Brand Drug Cost
- $69K
- Generic Drug Cost
- $33K
- Antibiotic Claims
- 20
Patient Demographics
- Average Patient Age
- 73.2 years
- Avg HCC Risk Score
- 3.08
- Gender Split
- 53% female / 47% male
- Age Distribution
- <65: 46, 65-74: 104, 75-84: 106, 85+: 33
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Ashok Ammula, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Furosemide
Furosemide
161 claims
- Lisinopril
Lisinopril
150 claims
- Amlodipine Besylate
Amlodipine Besylate
126 claims
- Allopurinol
Allopurinol
120 claims
- Torsemide
Torsemide
120 claims
- Losartan Potassium
Losartan Potassium
118 claims
- Hydrochlorothiazide
Hydrochlorothiazide
76 claims
- Carvedilol 58
Carvedilol
58 claims
| Drug | Claims |
|---|---|
| Furosemide | 161 |
| Lisinopril | 150 |
| Amlodipine Besylate | 126 |
| Allopurinol | 120 |
| Torsemide | 120 |
| Losartan Potassium | 118 |
| Hydrochlorothiazide | 76 |
| Carvedilol | 58 |
| Metolazone | 57 |
| Hydralazine Hcl | 56 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Nephrology Physician Overview
How Ashok Ammula, M.D. fits within the Nephrology Physician landscape nationally.
10,569
Nephrology Physician Providers in US
55
States with Nephrology Physician
1,454
Avg Claims per Provider
Ashok Ammula, M.D.'s 1,648 claims are above the specialty average of 1,454.
Nearby Nephrology Physician Providers in Ohio
Other clinicians with the same primary specialty enrolled in Ohio, drawn from the same CMS NPPES roster as Ammula.
Dr. Randa Abd Algayoum
MD
Cleveland, OH
Dr. Tariq Abdulkarim
M.D.
Columbus, OH
Dr. Syed Abidi
M.D.
Toledo, OH
Dr. Ahmed Aburahma
MD
Cleveland, OH
Dr. Akinfemi Afolabi
M.D.
Oregon, OH
Compare Nephrology Physician nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Ohio medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Nephrology Physician peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Frequently Asked Questions
What is Ashok Ammula, M.D.'s specialty? ▼
Ashok Ammula, M.D. specializes in Nephrology Physician and practices in Dayton, Ohio. Credentials: M.D..
How much does Ashok Ammula, M.D. prescribe under Medicare Part D? ▼
In 2023, Ashok Ammula, M.D. wrote 1,648 Medicare Part D claims totaling $102K in drug costs for 289 beneficiaries.
Where is Ashok Ammula, M.D. located? ▼
Ashok Ammula, M.D. is located at 7700 WASHINGTON VILLAGE DR., Dayton, OH, 45459. Phone: (937) 438-3132.
What is Ashok Ammula, M.D.'s NPI number? ▼
Ashok Ammula, M.D.'s National Provider Identifier (NPI) is 1356558894, issued on 05/16/2007.
Does Ashok Ammula, M.D. prescribe more brand-name or generic drugs? ▼
Ashok Ammula, M.D.'s prescribing is 8% brand-name and 92% generic drugs by claim count, with $69K in brand drug costs.
How many Nephrology Physician providers are there in the US? ▼
There are 10,569 Nephrology Physician providers across 55 states in the US. The average Nephrology Physician provider writes 1,454 Medicare Part D claims per year.
What drugs does Ashok Ammula, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Ashok Ammula, M.D.'s most frequently prescribed drugs include Furosemide, Lisinopril, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Ashok Ammula, M.D. accept Medicare? ▼
Ashok Ammula, M.D. appears in CMS Medicare data with 1,648 Part D claims and 289 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Ashok Ammula, M.D.'s credentials? ▼
Ashok Ammula, M.D.'s NPI is 1356558894 with credentials M.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Compiled from official public sources by the PlainDoctor editorial team.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.