NPI registry status
Active
2026 NPPES data Sports Medicine (Internal Medicine) Physician NPI 1245337245 MD
Verify on CMS → Darius Greenbacher, MD
Sports Medicine (Internal Medicine) Physician in Springfield, Massachusetts.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 299 in Sports Medicine (Internal Medicine) 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
827
Medicare Part D claims · 292 beneficiaries · Sports Medicine (Internal Medicine) Physician avg: 1K
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Darius Greenbacher, MD filed 827 Medicare Part D claims in 2024 as a Sports Medicine (Internal Medicine) Physician in Springfield, Massachusetts.
- 827
- Part D claims, 2024
- Likely
- board-certified (heuristic)
- ≥72nd
- pct by Part D claim volume (lower-bound band)
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 Darius Greenbacher, MD
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 1245337245), first enumerated 09/20/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 827 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- State context
State board disciplinary context
Massachusetts statewide board action statistics are published annually — these figures describe aggregate state activity, not Darius Greenbacher, MD's individual license status. Verify directly with the state medical board.
Source: BORIM annual report 2023
- 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.
Compare Greenbacher with other Sports Medicine (Internal Medicine) Physician providers
Same primary specialty, same federal CMS NPPES roster.
Also enrolled in Massachusetts
- Dr. Kathryn Ackerman, M.D. Brighton, MA
- Dr. Catherine Gardiner, MD Boston, MA
- Dr. Nicholas McAuley, MD Concord, MA
- Dr. Michael O'Brien, M.D. Boston, MA
- Dr. Joseph Pugleasa, M.D. Worcester, MA
- Dr. Zachary Schepart, MD Springfield, MA
Other specialties in Springfield: Counselor (1,415) · Mental Health Counselor (908) · Student in an Organized Health Care Education/Training Program (643) · Clinical Social Worker (602)
CMS NPPES provider registry desk
NPI 1245337245 · Sports Medicine (Internal Medicine) Physician
NPI-10 · ENUM-LEGACY · TAX-TRACE · RX-LIGHT · BOOK-THIN · PHOTO-ENUM
- NPI-10 1245337245
- ENUM-LEGACY 2006
- TAX-TRACE 299
- RX-LIGHT 827
- BOOK-THIN 8 in Massachusetts
- PHOTO-ENUM Gregory Czarnecki, D… · 2006
Darius Greenbacher, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
827 ≥ 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
✓
Board certification likely (heuristic, not verified)
Darius Greenbacher, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation - 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 Darius Greenbacher, MD?
Quality data not reportedPrimary specialty
Sports Medicine (Internal Medicine) Physician
Medicare Part D claims
827 32% vs specialty avg
Specialty distribution in Massachusetts
How Sports Medicine (Internal Medicine) Physician compares to other specialties among Massachusetts 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 Sports Medicine (Internal Medicine) 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).
Practice Address
Provider Details
| NPI | 1245337245 |
|---|---|
| Specialty | Sports Medicine (Internal Medicine) Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 09/20/2006 |
Hospital and facility affiliations
Facilities where Darius Greenbacher, MD 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.
Northeast Orthopaedic Alliance PLLC
Northampton, MA
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
License & disciplinary context - Massachusetts BORIM 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 ~38K Massachusetts medical licensees in 2023 - they are NOT specific to Darius Greenbacher, MD. To verify Darius Greenbacher, MD's current license status, search the BORIM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
80
Total board actions, Massachusetts 2023
Across 78 cases
2.11
Actions per 1,000 licensees
Massachusetts statewide rate
probation
Most common action type
29 cases
BORIM 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 Massachusetts disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
827
Total Claims
$5K
Total Drug Cost
292
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 936
- Total Day Supply
- 24,741
- Brand Drug Cost
- $0
- Generic Drug Cost
- $5K
- Opioid Claims
- 52 (6.3% rate)
Patient Demographics
- Average Patient Age
- 70.7 years
- Avg HCC Risk Score
- 0.67
- Gender Split
- 61% female / 39% male
- Age Distribution
- <65: 20, 65-74: 193, 75-84: N/A, 85+: N/A
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Darius Greenbacher, MD prescribes most
Top Medicare Part D drugs by claim count, 2024
- Diclofenac Sodium
Diclofenac Sodium
360 claims
- Gabapentin
Gabapentin
184 claims
- Meloxicam 81
Meloxicam
81 claims
- Prednisone 58
Prednisone
58 claims
- Tizanidine Hcl 41
Tizanidine Hcl
41 claims
- Tramadol Hcl 28
Tramadol Hcl
28 claims
- Nitroglycerin Patch 22
Nitroglycerin Patch
22 claims
- Oxycodone-Acetamin… 19
Oxycodone-Acetaminophen
19 claims
| Drug | Claims |
|---|---|
| Diclofenac Sodium | 360 |
| Gabapentin | 184 |
| Meloxicam | 81 |
| Prednisone | 58 |
| Tizanidine Hcl | 41 |
| Tramadol Hcl | 28 |
| Nitroglycerin Patch Nitroglycerin | 22 |
| Oxycodone-Acetaminophen Oxycodone Hcl/Acetaminophen | 19 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Sports Medicine (Internal Medicine) Physician in MA →
All providers in Massachusetts →
Compare specialties →
Sports Medicine (Internal Medicine) Physician Overview
How Darius Greenbacher, MD fits within the Sports Medicine (Internal Medicine) Physician landscape nationally.
299
Sports Medicine (Internal Medicine) Physician Providers in US
44
States with Sports Medicine (Internal Medicine) Physician
1,220
Avg Claims per Provider
Darius Greenbacher, MD's 827 claims are below the specialty average of 1,220.
Nationwide Sports Medicine (Internal Medicine) Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Greenbacher, both outside Massachusetts so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Sports Medicine (Internal Medicine) Physician Providers in Massachusetts
Other clinicians with the same primary specialty enrolled in Massachusetts, drawn from the same CMS NPPES roster as Greenbacher.
One of 8 Sports Medicine (Internal Medicine) Physician providers enrolled in Massachusetts, 7 are shown on this page.
Compare Sports Medicine (Internal Medicine) Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Darius Greenbacher, MD's specialty? ▼
Darius Greenbacher, MD specializes in Sports Medicine (Internal Medicine) Physician and practices in Springfield, Massachusetts. Credentials: MD.
How much does Darius Greenbacher, MD prescribe under Medicare Part D? ▼
In 2024, Darius Greenbacher, MD wrote 827 Medicare Part D claims totaling $5K in drug costs for 292 beneficiaries.
Where is Darius Greenbacher, MD located? ▼
Darius Greenbacher, MD is located at 300 BIRNIE AVE STE 201, Springfield, MA, 01107. Phone: (413) 785-4666.
What is Darius Greenbacher, MD's NPI number? ▼
Darius Greenbacher, MD's National Provider Identifier (NPI) is 1245337245, issued on 09/20/2006.
Does Darius Greenbacher, MD prescribe opioids? ▼
Yes, Darius Greenbacher, MD had 52 opioid claims in 2024 with an opioid prescribing rate of 6.3%.
How many Sports Medicine (Internal Medicine) Physician providers are there in the US? ▼
There are 299 Sports Medicine (Internal Medicine) Physician providers across 44 states in the US. The average Sports Medicine (Internal Medicine) Physician provider writes 1,220 Medicare Part D claims per year.
What drugs does Darius Greenbacher, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, Darius Greenbacher, MD's most frequently prescribed drugs include Diclofenac Sodium, Gabapentin, Meloxicam. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Darius Greenbacher, MD accept Medicare? ▼
Darius Greenbacher, MD appears in CMS Medicare data with 827 Part D claims and 292 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Darius Greenbacher, MD's credentials? ▼
Darius Greenbacher, MD's NPI is 1245337245 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 (2024). 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 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.