NPI registry status
Active
2026 NPPES data Family Medicine Physician NPI 1861431173 MD
Verify on CMS → Matthew Hahn, MD
Family Medicine Physician in Hancock, 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 150,125 in Family 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
10K
Medicare Part D claims · 641 beneficiaries · Family Medicine Physician avg: 4K
Generic prescribing
85%
generic claims · 14% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
82.8/100
▼ 1 pts below national avg 83.5 · Above neutral
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Matthew Hahn, MD reported a CMS MIPS final score of 82.8/100 - below the 83.5 national average - and filed 10,007 Medicare Part D claims in 2024.
- 82.8/100
- MIPS score · -1 vs avg
- 10K
- Part D claims, 2024
- 85%
- 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.
Federal trust snapshot
What official records show about Matthew Hahn, MD
Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1861431173), first enumerated 06/05/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 10,007 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)
Reported a CMS MIPS final score of 82.8/100 in the Quality Payment Program — a federal quality measure, not a patient review.
Source: CMS Quality Payment Program
- 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
2 CMS Care Compare hospital affiliations on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- 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 1861431173 · Family Medicine Physician
NPI-10 · ENUM-LEGACY · TAX-MEGA · MIPS-INLINE · RX-HEAVY · BOOK-LIGHT · PHOTO-FINISH
- NPI-10 1861431173
- ENUM-LEGACY 2006
- TAX-MEGA 150K Family Medicine
- MIPS-INLINE 82.8/100
- RX-HEAVY 10K claims
- BOOK-LIGHT 1,882 in Maryland
- PHOTO-FINISH Paul Koch · ±0.0
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Hahn · this prov…
Hahn · this provider
82.8 MIPS pts
- Cheryl-Lynn Pitr…
Cheryl-Lynn Pitre
82.8 MIPS pts
- Santhi Chennared…
Santhi Chennareddy
82.8 MIPS pts
- Paul Koch · near
Paul Koch
82.8 MIPS pts
- Jacob Maclean · …
Jacob Maclean
82.8 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
Matthew Hahn, MD's MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
83 ≥ 36th percentile 36% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured 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.
The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Matthew Hahn, MD sits
This provider among family medicine physician peers
Across the 21,266 family medicine physician providers who report both Medicare Part D prescribing and a MIPS quality score, Matthew Hahn, MD writes more Part D claims than 89% of them and scores higher on MIPS quality than 36% - placing this provider in the high-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one family medicine physician peer from a representative sample of 60; the gold marker is Matthew Hahn, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Matthew Hahn, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 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 Matthew Hahn, MD?
Near national averagePrimary specialty
Family Medicine Physician
Medicare Part D claims
10,007 184% vs specialty avg
MIPS final score
82.8/100 0.7 pts vs avg
Specialty distribution in Maryland
How Family Medicine Physician compares to other specialties among Maryland providers
Medicare quality performance, MIPS
Matthew Hahn, MD's 2023 MIPS final score plotted against the Family Medicine Physician national average
- MIPS Final Score
- 82.8/100
- vs 83.5 national avg · 2023 performance year
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 | 1861431173 |
|---|---|
| Specialty | Family Medicine Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 06/05/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
82.7679
Final Score
Measured-score avg: 83.5
90
Quality
55.893
Cost
Reporting: Group practice
Hospital and facility affiliations
Facilities where Matthew Hahn, 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.
Meritus Medical Center Inc
Hagerstown, MD
River Bend Family Medicine LLC
Hancock, MD
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Brand vs generic prescribing mix · Typical
Matthew Hahn, MD - brand share 14.0%
Family Medicine Physician average
14% brand-name claims vs 85% generic, on 10,007 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.
10,007
Total Claims
$1.2M
Total Drug Cost
641
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 21,976
- Total Day Supply
- 636,212
- Brand vs Generic
- 14% brand / 85% generic
- Brand Drug Cost
- $1.1M
- Generic Drug Cost
- $118K
- Opioid Claims
- 252 (2.5% rate)
- Antibiotic Claims
- 370
Patient Demographics
- Average Patient Age
- 73.7 years
- Avg HCC Risk Score
- 0.99
- Gender Split
- 48% female / 52% male
- Age Distribution
- <65: 51, 65-74: 302, 75-84: 210, 85+: 78
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Matthew Hahn, MD prescribes most
Top Medicare Part D drugs by claim count, 2024
- Amlodipine Besylate
Amlodipine Besylate
427 claims
- Atorvastatin Calcium
Atorvastatin Calcium
424 claims
- Lisinopril
Lisinopril
391 claims
- Levothyroxine Sodium
Levothyroxine Sodium
255 claims
- Hydrochlorothiazide
Hydrochlorothiazide
242 claims
- Metformin Hcl
Metformin Hcl
239 claims
- Losartan Potassium
Losartan Potassium
234 claims
- Rosuvastatin Calcium
Rosuvastatin Calcium
230 claims
| Drug | Claims |
|---|---|
| Amlodipine Besylate | 427 |
| Atorvastatin Calcium | 424 |
| Lisinopril | 391 |
| Levothyroxine Sodium | 255 |
| Hydrochlorothiazide | 242 |
| Metformin Hcl | 239 |
| Losartan Potassium | 234 |
| Rosuvastatin Calcium | 230 |
| Metoprolol Succinate | 219 |
| Prednisone | 216 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Family Medicine Physician Overview
How Matthew Hahn, MD fits within the Family Medicine Physician landscape nationally.
150,125
Family Medicine Physician Providers in US
56
States with Family Medicine Physician
3,519
Avg Claims per Provider
Matthew Hahn, MD's 10,007 claims are above the specialty average of 3,519.
Nationwide Family Medicine Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Hahn, both outside Maryland so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (82.8 here).
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Family Medicine Physician Providers in Maryland
Other clinicians with the same primary specialty enrolled in Maryland, drawn from the same CMS NPPES roster as Hahn.
One of 1,882 Family Medicine Physician providers enrolled in Maryland, 5 are shown here.
Amelia Abban
CRNP-BC
Laurel, MD
Dr. Peter Abbott
MD
Willards, MD
Dr. Hanan Aboumatar
MD, MPH
Baltimore, MD
Dr. Ndubuisi Achufusi
M.D.
Greenbelt, MD
Dr. Jose Acol
MD
Mount Airy, MD
Compare Family Medicine Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Matthew Hahn, MD's specialty? ▼
Matthew Hahn, MD specializes in Family Medicine Physician and practices in Hancock, Maryland. Credentials: MD.
How much does Matthew Hahn, MD prescribe under Medicare Part D? ▼
In 2024, Matthew Hahn, MD wrote 10,007 Medicare Part D claims totaling $1.2M in drug costs for 641 beneficiaries.
What is Matthew Hahn, MD's Medicare quality score? ▼
Matthew Hahn, MD has a CMS MIPS Final Score of 82.8/100 (Quality: 90, Cost: 55.9). 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 Matthew Hahn, MD located? ▼
Matthew Hahn, MD is located at 131 N PENNSYLVANIA AVE, Hancock, MD, 21750. Phone: (301) 678-7007.
What is Matthew Hahn, MD's NPI number? ▼
Matthew Hahn, MD's National Provider Identifier (NPI) is 1861431173, issued on 06/05/2006.
Does Matthew Hahn, MD prescribe more brand-name or generic drugs? ▼
Matthew Hahn, MD's prescribing is 14% brand-name and 85% generic drugs by claim count, with $1.1M in brand drug costs.
Does Matthew Hahn, MD prescribe opioids? ▼
Yes, Matthew Hahn, MD had 252 opioid claims in 2024 with an opioid prescribing rate of 2.5%.
How many Family Medicine Physician providers are there in the US? ▼
There are 150,125 Family Medicine Physician providers across 56 states in the US. The average Family Medicine Physician provider writes 3,519 Medicare Part D claims per year.
What drugs does Matthew Hahn, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, Matthew Hahn, MD's most frequently prescribed drugs include Amlodipine Besylate, Atorvastatin Calcium, Lisinopril. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Matthew Hahn, MD accept Medicare? ▼
Matthew Hahn, MD appears in CMS Medicare data with 10,007 Part D claims and 641 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Matthew Hahn, MD's credentials? ▼
Matthew Hahn, MD's NPI is 1861431173 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.
- 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.