NPI registry status
Active
2026 NPPES data Optometrist NPI 1154380673 O.D.
Verify on CMS → Daniel Diedrich, O.D.
Optometrist in Marion, Indiana.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 61,426 in Optometrist, 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
817
Medicare Part D claims · 280 beneficiaries · Optometrist avg: 279
Generic prescribing
64%
generic claims · 36% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
75/100
CMS neutral threshold · no category scores published
Industry payments
$150
1 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Daniel Diedrich, O.D. carries the neutral CMS MIPS final score of 75/100, assigned where no category was scored - and filed 817 Medicare Part D claims in 2024.
- 75/100
- CMS neutral score · not measured
- 817
- Part D claims, 2024
- 64%
- generic prescribing
- $150
- industry payments (Sunshine Act)
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.
Federal trust snapshot
What official records show about Daniel Diedrich, O.D.
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1154380673), first enumerated 03/22/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 817 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
CMS quality reporting (MIPS)
CMS assigned a neutral MIPS final score of 75/100 where no performance category was scored — not a measured quality rank.
Source: CMS Quality Payment Program
- Reported
Industry payment transparency
$150 in reported industry payments (1 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1154380673 · Optometrist
NPI-10 · ENUM-LEGACY · TAX-MEGA · MIPS-NEUTRAL · RX-LIGHT · BOOK-LIGHT · PHOTO-ENUM
- NPI-10 1154380673
- ENUM-LEGACY 2006
- TAX-MEGA 61K Optometrist
- MIPS-NEUTRAL 75/100
- RX-LIGHT 817
- BOOK-LIGHT 1,555 in Indiana
- PHOTO-ENUM Robert Branch · 2006
Daniel Diedrich, O.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
817 ≥ 72nd percentile 72% of 1,416,883 prescribers are in lower value bands
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.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
What does the federal data show about Daniel Diedrich, O.D.?
CMS neutral score, not measuredPrimary specialty
Optometrist
Medicare Part D claims
817 193% vs specialty avg
MIPS final score
75/100
Specialty distribution in Indiana
How Optometrist compares to other specialties among Indiana providers
MIPS score not measured
CMS assigned a neutral 75/100 threshold
CMS did not publish any Quality, Cost, Promoting Interoperability, or Improvement Activities category score for this clinician. This administrative threshold is not comparable with the national average of clinicians whose MIPS score was measured.
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).
Practice Address
Provider Details
| NPI | 1154380673 |
|---|---|
| Specialty | Optometrist |
| Credentials | O.D. |
| Gender | Male |
| NPI Issued | 03/22/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
75
Final Score
CMS neutral threshold · not measured
Reporting: Group practice
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 Daniel Diedrich, O.D.. Source: openpaymentsdata.cms.gov.
Total received
$150
Largest payer
Glaukos Corporation
Most common payment type
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
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.
Brand vs generic prescribing mix · Above average
Daniel Diedrich, O.D. - brand share 36.0%
Optometrist average
36% brand-name claims vs 64% generic, on 817 2024 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 2024.
817
Total Claims
$104K
Total Drug Cost
280
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,385.367
- Total Day Supply
- 38,549
- Brand vs Generic
- 36% brand / 64% generic
- Brand Drug Cost
- $91K
- Generic Drug Cost
- $13K
- Antibiotic Claims
- 20
Patient Demographics
- Average Patient Age
- 74.8 years
- Avg HCC Risk Score
- 1.35
- Gender Split
- 66% female / 34% male
- Age Distribution
- <65: 27, 65-74: 117, 75-84: 89, 85+: 47
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Daniel Diedrich, O.D. prescribes most
Top Medicare Part D drugs by claim count, 2024
- Latanoprost
Latanoprost
235 claims
- Azelastine Hcl
Azelastine Hcl
188 claims
- Prednisolone Acetate
Prednisolone Acetate
98 claims
- Restasis 64
Restasis
64 claims
- Timolol Maleate 38
Timolol Maleate
38 claims
- Brimonidine Tartrate 34
Brimonidine Tartrate
34 claims
- Cyclosporine 31
Cyclosporine
31 claims
- Moxifloxacin 25
Moxifloxacin
25 claims
| Drug | Claims |
|---|---|
| Latanoprost | 235 |
| Azelastine Hcl | 188 |
| Prednisolone Acetate | 98 |
| Restasis Cyclosporine | 64 |
| Timolol Maleate | 38 |
| Brimonidine Tartrate | 34 |
| Cyclosporine | 31 |
| Moxifloxacin Moxifloxacin Hcl | 25 |
| Doxycycline Hyclate | 19 |
| Lumigan Bimatoprost | 15 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Optometrist Overview
How Daniel Diedrich, O.D. fits within the Optometrist landscape nationally.
61,426
Optometrist Providers in US
56
States with Optometrist
279
Avg Claims per Provider
Daniel Diedrich, O.D.'s 817 claims are above the specialty average of 279.
Nationwide Optometrist peers with similar MIPS or enrollment year
Two federal-record peer sets for Diedrich, both outside Indiana so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (75 here).
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Optometrist Providers in Indiana
Other clinicians with the same primary specialty enrolled in Indiana, drawn from the same CMS NPPES roster as Diedrich.
One of 1,555 Optometrist providers enrolled in Indiana, 5 are shown here.
Dr. Deanne Aavang
O.D.
Lafayette, IN
Renee Abrassant Ramsey
Petersburg, IN
Jeffrey Achampong
Terre Haute, IN
Dr. Sydney Ackerman
OD
Mitchell, IN
Dr. Suzanna Acosta
OD
Munster, IN
Compare Optometrist nationally: see state-by-state distribution →
Frequently Asked Questions
What is Daniel Diedrich, O.D.'s specialty? ▼
Daniel Diedrich, O.D. specializes in Optometrist and practices in Marion, Indiana. Credentials: O.D..
How much does Daniel Diedrich, O.D. prescribe under Medicare Part D? ▼
In 2024, Daniel Diedrich, O.D. wrote 817 Medicare Part D claims totaling $104K in drug costs for 280 beneficiaries.
What is Daniel Diedrich, O.D.'s Medicare quality score? ▼
Daniel Diedrich, O.D. has a CMS MIPS Final Score of 75/100. CMS published no Quality, Promoting Interoperability, Improvement Activity or Cost score for this clinician, so the final score is the neutral performance threshold CMS assigns rather than a measured result. The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Daniel Diedrich, O.D. located? ▼
Daniel Diedrich, O.D. is located at 1400 N BALDWIN AVE, Marion, IN, 46952. Phone: (765) 664-6148.
What is Daniel Diedrich, O.D.'s NPI number? ▼
Daniel Diedrich, O.D.'s National Provider Identifier (NPI) is 1154380673, issued on 03/22/2006.
Does Daniel Diedrich, O.D. prescribe more brand-name or generic drugs? ▼
Daniel Diedrich, O.D.'s prescribing is 36% brand-name and 64% generic drugs by claim count, with $91K in brand drug costs.
How many Optometrist providers are there in the US? ▼
There are 61,426 Optometrist providers across 56 states in the US. The average Optometrist provider writes 279 Medicare Part D claims per year.
What drugs does Daniel Diedrich, O.D. prescribe most often? ▼
Based on 2024 Medicare Part D data, Daniel Diedrich, O.D.'s most frequently prescribed drugs include Latanoprost, Azelastine Hcl, Prednisolone Acetate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Daniel Diedrich, O.D. accept Medicare? ▼
Daniel Diedrich, O.D. appears in CMS Medicare data with 817 Part D claims and 280 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Daniel Diedrich, O.D.'s credentials? ▼
Daniel Diedrich, O.D.'s NPI is 1154380673 with credentials O.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 (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- 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 August 2026 (NPPES) / 2024 (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
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 August 2026.