2026 NPPES data Addiction Medicine (Family Medicine) Physician NPI 1407866619 MD
Verify on CMS →

JEFFREY BAXTER, MD

Addiction Medicine (Family Medicine) Physician in WORCESTER, Massachusetts. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
217
Medicare Part D claims · 43 beneficiaries · Addiction Medicine (Family Medicine) Physician avg: 1K
Generic prescribing
62%
generic claims · 38% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: JEFFREY BAXTER, MD is a Addiction Medicine (Family Medicine) Physician ([object Object]) practicing in WORCESTER, Massachusetts with a Medicare Part D prescribing footprint of 217 claims across 43 beneficiaries — 38% brand-name prescribing .

What stands out: JEFFREY BAXTER, MD filed 217 Medicare Part D claims in 2023 across WORCESTER, Massachusetts. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

JEFFREY BAXTER, 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).

JEFFREY BAXTER, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 08/09/2006

NPI 1407866619

Primary specialty

Addiction Medicine (Family Medicine) Physician

Niche

763 US NPIs in this specialty

Medicare Part D claims

217 81% vs specialty avg

2023 prescription claims

Specialty avg: 1,134

Specialty distribution in Massachusetts

How Addiction Medicine (Family Medicine) Physician compares to other specialties among Massachusetts providers

Massachusetts providers

Addiction Medicine (Family Medicine) Physician share within Massachusetts

1. Addiction Medicine (Family Medicine) Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Addiction Medicine (Family Medicine) Physician share within Massachusetts

Specialty board-certification context

Estimated specialty board-certified rate — Addiction Medicine (Family Medicine) Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Addiction Medicine (Family Medicine) Physician ABMS/AOA estimate

Est. board-certified rate (Addiction Medicine (Family Medicine) Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Addiction Medicine (Family Medicine) Physician) — ABMS / AOA estimate

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).

JEFFREY BAXTER, MD is a Addiction Medicine (Family Medicine) Physician provider practicing in WORCESTER, Massachusetts, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1407866619. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

JEFFREY BAXTER, MD appears in the CMS NPPES registry as a Addiction Medicine (Family Medicine) Physician provider holding MD credentials at 585 LINCOLN ST, WORCESTER, MA, 01605, with a listed phone of (508) 831-0045. NPI 1407866619 was issued on 08/09/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BAXTER most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 217 prescription claims written by this provider, covering 43 Medicare beneficiaries and totaling roughly $120K in drug spend, split 38% brand-name and 62% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Addiction Medicine (Family Medicine) Physician is a narrow specialty nationwide, with 763 enrolled providers across 48 states and an average of 1,134 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

585 LINCOLN ST
WORCESTER, MA 01605

Provider Details

NPI 1407866619
Specialty Addiction Medicine (Family Medicine) Physician
Credentials MD
Gender Male
NPI Issued 08/09/2006

Hospital and facility affiliations

Facilities where JEFFREY BAXTER, 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.

SPECTRUM HEALTH SYSTEMS, INC
WORCESTER, 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 JEFFREY BAXTER, MD. To verify JEFFREY BAXTER, 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 · Above average

JEFFREY BAXTER, MD — brand share 38.0%
Specialty average (est.)

38% brand-name claims vs 62% generic, on 217 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.

217
Total Claims
$120K
Total Drug Cost
43
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
217
Total Day Supply
5,644
Brand vs Generic
38% brand / 62% generic
Brand Drug Cost
$107K
Generic Drug Cost
$13K

Patient Demographics

Average Patient Age
58.0 years
Avg HCC Risk Score
1.70
Gender Split
33% female / 67% male
Age Distribution
<65: 25, 65-74: 18, 75-84: 0, 85+: 0

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Buprenorphine-Naloxone
Buprenorphine Hcl/Naloxone Hcl
102
Vivitrol
Naltrexone Microspheres
44
Suboxone
Buprenorphine Hcl/Naloxone Hcl
25
Buprenorphine Hcl
21
Sublocade
Buprenorphine
11

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Addiction Medicine (Family Medicine) Physician Overview

How JEFFREY BAXTER, MD fits within the Addiction Medicine (Family Medicine) Physician landscape nationally.

763
Addiction Medicine (Family Medicine) Physician Providers in US
48
States with Addiction Medicine (Family Medicine) Physician
1,134
Avg Claims per Provider

JEFFREY BAXTER, MD's 217 claims are below the specialty average of 1,134.

Nearby Addiction Medicine (Family Medicine) Physician Providers in Massachusetts

Other clinicians with the same primary specialty enrolled in Massachusetts, drawn from the same CMS NPPES roster as BAXTER.

Compare Addiction Medicine (Family Medicine) Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is JEFFREY BAXTER, MD's specialty?
JEFFREY BAXTER, MD specializes in Addiction Medicine (Family Medicine) Physician and practices in WORCESTER, Massachusetts. Credentials: MD.
How much does JEFFREY BAXTER, MD prescribe under Medicare Part D?
In 2023, JEFFREY BAXTER, MD wrote 217 Medicare Part D claims totaling $120K in drug costs for 43 beneficiaries.
Where is JEFFREY BAXTER, MD located?
JEFFREY BAXTER, MD is located at 585 LINCOLN ST, WORCESTER, MA, 01605. Phone: (508) 831-0045.
What is JEFFREY BAXTER, MD's NPI number?
JEFFREY BAXTER, MD's National Provider Identifier (NPI) is 1407866619, issued on 08/09/2006.
Does JEFFREY BAXTER, MD prescribe more brand-name or generic drugs?
JEFFREY BAXTER, MD's prescribing is 38% brand-name and 62% generic drugs by claim count, with $107K in brand drug costs.
How many Addiction Medicine (Family Medicine) Physician providers are there in the US?
There are 763 Addiction Medicine (Family Medicine) Physician providers across 48 states in the US. The average Addiction Medicine (Family Medicine) Physician provider writes 1,134 Medicare Part D claims per year.
What drugs does JEFFREY BAXTER, MD prescribe most often?
Based on 2023 Medicare Part D data, JEFFREY BAXTER, MD's most frequently prescribed drugs include Buprenorphine-Naloxone, Vivitrol, Suboxone. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does JEFFREY BAXTER, MD accept Medicare?
JEFFREY BAXTER, MD appears in CMS Medicare data with 217 Part D claims and 43 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify JEFFREY BAXTER, MD's credentials?
JEFFREY BAXTER, MD's NPI is 1407866619 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

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