NPI registry status
Active
2026 NPPES data Specialist NPI 1326046897 MD
Verify on CMS → David Wagner, MD
Specialist in Rockville, Maryland.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 69,658 in Specialist, 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
201
Medicare Part D claims · 34 beneficiaries · Specialist avg: 1K
Generic prescribing
65%
generic claims · 35% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$25.06
1 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
David Wagner, MD filed 201 Medicare Part D claims in 2023 as a Specialist in Rockville, Maryland, prescribing 65% generic.
- 201
- Part D claims, 2023
- 65%
- generic prescribing
- $25.06
- 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.
David Wagner, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
201 49th percentile higher than 49% 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
What does the federal data show about David Wagner, MD?
Quality data not reportedPrimary specialty
Specialist
Medicare Part D claims
201 86% vs specialty avg
Specialty distribution in Maryland
How Specialist compares to other specialties among Maryland 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 Specialist. 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).
David Wagner, MD appears in the CMS NPPES registry as a Specialist provider holding MD credentials at 14955 SHADY GROVE RD, Rockville, MD, 20850, with a listed phone of (301) 765-1816. NPI 1326046897 was issued on 07/08/2005.
Medicare Part D records for calendar year 2023 show 201 prescription claims written by this provider, covering 34 Medicare beneficiaries and totaling roughly $42K in drug spend, split 35% brand-name and 65% generic by claim count.
Specialist is a high-volume specialty nationwide, with 69,658 enrolled providers across 55 states and an average of 1,474 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 | 1326046897 |
|---|---|
| Specialty | Specialist |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 07/08/2005 |
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 David Wagner, MD. Source: openpaymentsdata.cms.gov.
Total received
$25
Largest payer
Oyster Point Pharma, 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.
Brand vs generic prescribing mix · Above average
David Wagner, MD - brand share 35.0%
Specialist average
35% brand-name claims vs 65% generic, on 201 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.
201
Total Claims
$42K
Total Drug Cost
34
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 444
- Total Day Supply
- 12,869
- Brand vs Generic
- 35% brand / 65% generic
- Brand Drug Cost
- $18K
- Generic Drug Cost
- $23K
Patient Demographics
- Average Patient Age
- 75.9 years
- Avg HCC Risk Score
- 1.20
- Gender Split
- 41% female / 59% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What David Wagner, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Dorzolamide-Timolol
Dorzolamide-Timolol
55 claims
- Prednisolone Acetate
Prednisolone Acetate
32 claims
- Bromfenac Sodium
Bromfenac Sodium
25 claims
- Brimonidine Tartrate 17
Brimonidine Tartrate
17 claims
- Alphagan P 14
Alphagan P
14 claims
- Latanoprost 13
Latanoprost
13 claims
| Drug | Claims |
|---|---|
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 55 |
| Prednisolone Acetate | 32 |
| Bromfenac Sodium | 25 |
| Brimonidine Tartrate | 17 |
| Alphagan P Brimonidine Tartrate | 14 |
| Latanoprost | 13 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Specialist Overview
How David Wagner, MD fits within the Specialist landscape nationally.
69,658
Specialist Providers in US
55
States with Specialist
1,474
Avg Claims per Provider
David Wagner, MD's 201 claims are below the specialty average of 1,474.
Nearby Specialist Providers in Maryland
Other clinicians with the same primary specialty enrolled in Maryland, drawn from the same CMS NPPES roster as Wagner.
Wondwosen Abdi
Baltimore, MD
Dr. Swapna Abhyankar
M.D.
Laurel, MD
Rifat Abousy
Baltimore, MD
Dr. Marwa Adi
MD
Chevy Chase, MD
Dr. Bettina Adjei
MD
Eldersburg, MD
Compare Specialist 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 Maryland medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Specialist 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.
Healthcare Guides
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Frequently Asked Questions
What is David Wagner, MD's specialty? ▼
David Wagner, MD specializes in Specialist and practices in Rockville, Maryland. Credentials: MD.
How much does David Wagner, MD prescribe under Medicare Part D? ▼
In 2023, David Wagner, MD wrote 201 Medicare Part D claims totaling $42K in drug costs for 34 beneficiaries.
Where is David Wagner, MD located? ▼
David Wagner, MD is located at 14955 SHADY GROVE RD, Rockville, MD, 20850. Phone: (301) 765-1816.
What is David Wagner, MD's NPI number? ▼
David Wagner, MD's National Provider Identifier (NPI) is 1326046897, issued on 07/08/2005.
Does David Wagner, MD prescribe more brand-name or generic drugs? ▼
David Wagner, MD's prescribing is 35% brand-name and 65% generic drugs by claim count, with $18K in brand drug costs.
How many Specialist providers are there in the US? ▼
There are 69,658 Specialist providers across 55 states in the US. The average Specialist provider writes 1,474 Medicare Part D claims per year.
What drugs does David Wagner, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, David Wagner, MD's most frequently prescribed drugs include Dorzolamide-Timolol, Prednisolone Acetate, Bromfenac Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does David Wagner, MD accept Medicare? ▼
David Wagner, MD appears in CMS Medicare data with 201 Part D claims and 34 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify David Wagner, MD's credentials? ▼
David Wagner, MD's NPI is 1326046897 with credentials MD. 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.