NPI registry status
Active
2026 NPPES data Cardiovascular Disease Physician NPI 1356344659 M.D.
Verify on CMS → Rodney Johnson, M.D.
Cardiovascular Disease Physician in Baltimore, 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 24,795 in Cardiovascular Disease 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
3K
Medicare Part D claims · 543 beneficiaries · Cardiovascular Disease Physician avg: 3K
Generic prescribing
80%
generic claims · 20% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
80.2/100
▼ 3 pts below national avg 83.1 · Above neutral
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
Rodney Johnson, M.D. reported a CMS MIPS final score of 80.2/100 - below the 83.1 national average - and filed 2,755 Medicare Part D claims in 2023.
- 80.2/100
- MIPS score · -3 vs avg
- 3K
- Part D claims, 2023
- 80%
- 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.
Rodney Johnson, M.D.'s MIPS score vs every scored U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure
80 33rd percentile higher than 33% of 477,587 scored providers
Each bar is a band; taller bars hold more scored providers. 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 Merit-based Incentive Payment System (MIPS) · 2023
Where Rodney Johnson, M.D. sits
This provider among cardiovascular disease physician peers
Across the 8,753 cardiovascular disease physician providers who report both Medicare Part D prescribing and a MIPS quality score, Rodney Johnson, M.D. writes more Part D claims than 48% of them and scores higher on MIPS quality than 35% - placing this provider in the lower-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Part D claim volume vs MIPS quality, by specialty percentile
Each dot is one cardiovascular disease physician peer from a representative sample of 60; the gold marker is Rodney Johnson, M.D.. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Rodney Johnson, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting - 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 Rodney Johnson, M.D.?
Near national averagePrimary specialty
Cardiovascular Disease Physician
Medicare Part D claims
2,755 9% vs specialty avg
MIPS final score
80.2/100 2.9 pts vs avg
Specialty distribution in Maryland
How Cardiovascular Disease Physician compares to other specialties among Maryland providers
Medicare quality performance, MIPS
Rodney Johnson, M.D.'s 2023 MIPS final score plotted against the Cardiovascular Disease Physician national average
- MIPS Final Score
- 80.2/100
- vs 83.1 national avg · 2023 performance year
MIPS final score (Cardiovascular Disease Physician) - 80.2/100 vs national avg 83.1
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).
Rodney Johnson, M.D. appears in the CMS NPPES registry as a Cardiovascular Disease Physician provider holding M.D. credentials at 9105 FRANKLIN SQUARE DR, Baltimore, MD, 21237, with a listed phone of (410) 602-9262. NPI 1356344659 was issued on 05/31/2005.
Medicare Part D records for calendar year 2023 show 2,755 prescription claims written by this provider, covering 543 Medicare beneficiaries and totaling roughly $698K in drug spend, split 20% brand-name and 80% generic by claim count. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 80.2/100 for the 2023 performance year (Quality 76.7, Cost 53.5), compared with the national average of 83.1.
Cardiovascular Disease Physician is a mid-sized specialty nationwide, with 24,795 enrolled providers across 54 states and an average of 3,033 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 | 1356344659 |
|---|---|
| Specialty | Cardiovascular Disease Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 05/31/2005 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
80.1797
Final Score
Avg: 83.1
76.6904
Quality
53.4937
Cost
100
Promoting Interoperability
Reporting: Group practice
Brand vs generic prescribing mix · Typical
Rodney Johnson, M.D. - brand share 20.0%
Cardiovascular Disease Physician average
20% brand-name claims vs 80% generic, on 2,755 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.
2,755
Total Claims
$698K
Total Drug Cost
543
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 7,422
- Total Day Supply
- 222,286
- Brand vs Generic
- 20% brand / 80% generic
- Brand Drug Cost
- $636K
- Generic Drug Cost
- $61K
Patient Demographics
- Average Patient Age
- 76.0 years
- Avg HCC Risk Score
- 1.55
- Gender Split
- 48% female / 52% male
- Age Distribution
- <65: 35, 65-74: 198, 75-84: 224, 85+: 86
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Rodney Johnson, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Metoprolol Succinate
Metoprolol Succinate
374 claims
- Eliquis
Eliquis
315 claims
- Amlodipine Besylate
Amlodipine Besylate
236 claims
- Atorvastatin Calcium
Atorvastatin Calcium
180 claims
- Metoprolol Tartrate 143
Metoprolol Tartrate
143 claims
- Rosuvastatin Calcium 121
Rosuvastatin Calcium
121 claims
- Losartan Potassium 112
Losartan Potassium
112 claims
- Furosemide 100
Furosemide
100 claims
| Drug | Claims |
|---|---|
| Metoprolol Succinate | 374 |
| Eliquis Apixaban | 315 |
| Amlodipine Besylate | 236 |
| Atorvastatin Calcium | 180 |
| Metoprolol Tartrate | 143 |
| Rosuvastatin Calcium | 121 |
| Losartan Potassium | 112 |
| Furosemide | 100 |
| Ezetimibe | 87 |
| Carvedilol | 85 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Cardiovascular Disease Physician Overview
How Rodney Johnson, M.D. fits within the Cardiovascular Disease Physician landscape nationally.
24,795
Cardiovascular Disease Physician Providers in US
54
States with Cardiovascular Disease Physician
3,033
Avg Claims per Provider
Rodney Johnson, M.D.'s 2,755 claims are below the specialty average of 3,033.
Nearby Cardiovascular Disease Physician Providers in Maryland
Other clinicians with the same primary specialty enrolled in Maryland, drawn from the same CMS NPPES roster as Johnson.
Dr. Seyed Hossein Aalaei-Andabili
M.D
Baltimore, MD
Dr. Leith Abdulla
M.D.
Olney, MD
Dr. Rasaq Abu
M.D.
Berwyn Heights, MD
Dr. Mohammed Abuzahra
MD
Baltimore, MD
Dr. Stephen Achuff
M.D.
Baltimore, MD
Compare Cardiovascular Disease 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 Maryland medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Cardiovascular Disease 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.
Healthcare Guides
Learn more about finding, verifying, and understanding healthcare providers.
How to Find a Doctor
Step-by-step guide to choosing a provider
Verify Credentials
Check NPI, board certification & license status
Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
What prescribing data reveals about a provider
In-Network vs Out-of-Network
How insurance networks affect your costs
Telehealth Guide
Virtual care options and coverage in 2026
Explore Maryland
Frequently Asked Questions
What is Rodney Johnson, M.D.'s specialty? ▼
Rodney Johnson, M.D. specializes in Cardiovascular Disease Physician and practices in Baltimore, Maryland. Credentials: M.D..
How much does Rodney Johnson, M.D. prescribe under Medicare Part D? ▼
In 2023, Rodney Johnson, M.D. wrote 2,755 Medicare Part D claims totaling $698K in drug costs for 543 beneficiaries.
What is Rodney Johnson, M.D.'s Medicare quality score? ▼
Rodney Johnson, M.D. has a CMS MIPS Final Score of 80.2/100 (Quality: 76.7, Cost: 53.5). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Rodney Johnson, M.D. located? ▼
Rodney Johnson, M.D. is located at 9105 FRANKLIN SQUARE DR, Baltimore, MD, 21237. Phone: (410) 602-9262.
What is Rodney Johnson, M.D.'s NPI number? ▼
Rodney Johnson, M.D.'s National Provider Identifier (NPI) is 1356344659, issued on 05/31/2005.
Does Rodney Johnson, M.D. prescribe more brand-name or generic drugs? ▼
Rodney Johnson, M.D.'s prescribing is 20% brand-name and 80% generic drugs by claim count, with $636K in brand drug costs.
How many Cardiovascular Disease Physician providers are there in the US? ▼
There are 24,795 Cardiovascular Disease Physician providers across 54 states in the US. The average Cardiovascular Disease Physician provider writes 3,033 Medicare Part D claims per year.
What drugs does Rodney Johnson, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Rodney Johnson, M.D.'s most frequently prescribed drugs include Metoprolol Succinate, Eliquis, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Rodney Johnson, M.D. accept Medicare? ▼
Rodney Johnson, M.D. appears in CMS Medicare data with 2,755 Part D claims and 543 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Rodney Johnson, M.D.'s credentials? ▼
Rodney Johnson, M.D.'s NPI is 1356344659 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.
- 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 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.