NPI registry status
Active
2026 NPPES data Infectious Disease Physician NPI 1760448005 MD
Verify on CMS → Joel Katz, MD
Infectious Disease Physician in Boston, 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 8,292 in Infectious 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
2K
Medicare Part D claims · 208 beneficiaries · Infectious Disease Physician avg: 816
Generic prescribing
83%
generic claims · 16% brand-name · higher generic rates reduce patient out-of-pocket costs
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
Joel Katz, MD filed 2,153 Medicare Part D claims in 2023 as a Infectious Disease Physician in Boston, Massachusetts, prescribing 83% generic.
- 2K
- Part D claims, 2023
- 83%
- 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.
Joel Katz, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
2,153 Top 15% higher than 85% 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
✓
Board certification likely (heuristic, not verified)
Joel Katz, 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 Joel Katz, MD?
Quality data not reportedPrimary specialty
Infectious Disease Physician
Medicare Part D claims
2,153 164% vs specialty avg
Specialty distribution in Massachusetts
How Infectious Disease 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 Infectious Disease 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).
Joel Katz, MD appears in the CMS NPPES registry as a Infectious Disease Physician provider holding MD credentials at 75 FRANCIS ST, Boston, MA, 02115, with a listed phone of (617) 732-5776. NPI 1760448005 was issued on 04/25/2006.
Medicare Part D records for calendar year 2023 show 2,153 prescription claims written by this provider, covering 208 Medicare beneficiaries and totaling roughly $663K in drug spend, split 16% brand-name and 83% generic by claim count, with an opioid prescribing rate of 0.9%.
Infectious Disease Physician is a mid-sized specialty nationwide, with 8,292 enrolled providers across 54 states and an average of 816 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 | 1760448005 |
|---|---|
| Specialty | Infectious Disease Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 04/25/2006 |
Hospital and facility affiliations
Facilities where Joel Katz, 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.
Lown Medical Group PLLC
Chestnut Hill, 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 Joel Katz, MD. To verify Joel Katz, 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.
Brand vs generic prescribing mix · Typical
Joel Katz, MD - brand share 16.0%
Infectious Disease Physician average
16% brand-name claims vs 83% generic, on 2,153 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.
2,153
Total Claims
$663K
Total Drug Cost
208
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 4,803
- Total Day Supply
- 141,065
- Brand vs Generic
- 16% brand / 83% generic
- Brand Drug Cost
- $601K
- Generic Drug Cost
- $61K
- Opioid Claims
- 19 (0.9% rate)
- Antibiotic Claims
- 84
Patient Demographics
- Average Patient Age
- 76.8 years
- Avg HCC Risk Score
- 1.27
- Gender Split
- 38% female / 62% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Joel Katz, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Atorvastatin Calcium
Atorvastatin Calcium
254 claims
- Lisinopril 88
Lisinopril
88 claims
- Omeprazole 79
Omeprazole
79 claims
- Eliquis 61
Eliquis
61 claims
- Levothyroxine Sodium 58
Levothyroxine Sodium
58 claims
- Metoprolol Succinate 52
Metoprolol Succinate
52 claims
- Atenolol 48
Atenolol
48 claims
- Biktarvy 48
Biktarvy
48 claims
| Drug | Claims |
|---|---|
| Atorvastatin Calcium | 254 |
| Lisinopril | 88 |
| Omeprazole | 79 |
| Eliquis Apixaban | 61 |
| Levothyroxine Sodium | 58 |
| Metoprolol Succinate | 52 |
| Atenolol | 48 |
| Biktarvy Bictegrav/Emtricit/Tenofov Ala | 48 |
| Hydrochlorothiazide | 47 |
| Zolpidem Tartrate | 47 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Infectious Disease Physician Overview
How Joel Katz, MD fits within the Infectious Disease Physician landscape nationally.
8,292
Infectious Disease Physician Providers in US
54
States with Infectious Disease Physician
816
Avg Claims per Provider
Joel Katz, MD's 2,153 claims are above the specialty average of 816.
Nearby Infectious Disease Physician Providers in Massachusetts
Other clinicians with the same primary specialty enrolled in Massachusetts, drawn from the same CMS NPPES roster as Katz.
Dr. Marylyn Addo
MD
Boston, MA
Dr. Jonathan Adler
MD
Winchester, MA
Dr. Irma Alarcon Najera
M.D.
Brockton, MA
Dr. John Albin
MD, PHD
Boston, MA
Dr. Mary Albrecht
M.D.
Boston, MA
Compare Infectious 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 Massachusetts medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Infectious 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 Massachusetts
Frequently Asked Questions
What is Joel Katz, MD's specialty? ▼
Joel Katz, MD specializes in Infectious Disease Physician and practices in Boston, Massachusetts. Credentials: MD.
How much does Joel Katz, MD prescribe under Medicare Part D? ▼
In 2023, Joel Katz, MD wrote 2,153 Medicare Part D claims totaling $663K in drug costs for 208 beneficiaries.
Where is Joel Katz, MD located? ▼
Joel Katz, MD is located at 75 FRANCIS ST, Boston, MA, 02115. Phone: (617) 732-5776.
What is Joel Katz, MD's NPI number? ▼
Joel Katz, MD's National Provider Identifier (NPI) is 1760448005, issued on 04/25/2006.
Does Joel Katz, MD prescribe more brand-name or generic drugs? ▼
Joel Katz, MD's prescribing is 16% brand-name and 83% generic drugs by claim count, with $601K in brand drug costs.
Does Joel Katz, MD prescribe opioids? ▼
Yes, Joel Katz, MD had 19 opioid claims in 2023 with an opioid prescribing rate of 0.9%.
How many Infectious Disease Physician providers are there in the US? ▼
There are 8,292 Infectious Disease Physician providers across 54 states in the US. The average Infectious Disease Physician provider writes 816 Medicare Part D claims per year.
What drugs does Joel Katz, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Joel Katz, MD's most frequently prescribed drugs include Atorvastatin Calcium, Lisinopril, Omeprazole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Joel Katz, MD accept Medicare? ▼
Joel Katz, MD appears in CMS Medicare data with 2,153 Part D claims and 208 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Joel Katz, MD's credentials? ▼
Joel Katz, MD's NPI is 1760448005 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.