2026 NPPES data Neurology Physician NPI 1437234739 MD
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BRIAN GROSBERG, MD

Neurology Physician in WEST HARTFORD, Connecticut. 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
645
Medicare Part D claims · 110 beneficiaries · Neurology Physician avg: 1K
Generic prescribing
73%
generic claims · 27% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
84.4788/100
▲ 1 pts above national avg 83.1 · [object Object]
Industry payments
$10.3K
83 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: BRIAN GROSBERG, MD is a Neurology Physician ([object Object]) practicing in WEST HARTFORD, Connecticut with a Medicare Part D prescribing footprint of 645 claims across 110 beneficiaries — 27% brand-name prescribing . Their CMS MIPS Final Score of 84.4788/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities . Industry payments of $10.3K across 83 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: BRIAN GROSBERG, MD reported a CMS MIPS final score of 84.4788 out of 100, above the 83.1 national average, and filed 645 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

BRIAN GROSBERG, 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).

BRIAN GROSBERG, MD at a glance

Near national average

NPI registry status

Active

Issued 10/26/2006

NPI 1437234739

Primary specialty

Neurology Physician

Mid-sized

19,866 US NPIs in this specialty

Medicare Part D claims

645 51% vs specialty avg

2023 prescription claims

Specialty avg: 1,309

MIPS final score

84.4788/100 1.3788000000000125% pts

Above neutral band

vs 83.1 national avg

Specialty distribution in Connecticut

How Neurology Physician compares to other specialties among Connecticut providers

Connecticut providers

Neurology Physician share within Connecticut

1. Neurology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Neurology Physician share within Connecticut

Medicare quality performance — MIPS

BRIAN GROSBERG, MD's 2023 MIPS final score plotted against the Neurology Physician national average

Near national average
MIPS Final Score
84.4788/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Neurology Physician) — 84.4788/100 vs national avg 83.1

0%100%National avg83%84.5%
MIPS final score (Neurology Physician) — 84.4788/100 vs national avg 83.1

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).

BRIAN GROSBERG, MD is a Neurology Physician provider practicing in WEST HARTFORD, Connecticut, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1437234739. 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.

BRIAN GROSBERG, MD appears in the CMS NPPES registry as a Neurology Physician provider holding MD credentials at 65 MEMORIAL RD STE 508, WEST HARTFORD, CT, 06107, with a listed phone of (860) 696-2925. NPI 1437234739 was issued on 10/26/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what GROSBERG 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 645 prescription claims written by this provider, covering 110 Medicare beneficiaries and totaling roughly $219K in drug spend, split 27% brand-name and 73% 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. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 84.4788/100 for the 2023 performance year (Quality 79.2865, Cost 59.5997), compared with the national average of 83.1.

Neurology Physician is a mid-sized specialty nationwide, with 19,866 enrolled providers across 54 states and an average of 1,309 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

65 MEMORIAL RD STE 508
WEST HARTFORD, CT 06107

Provider Details

NPI 1437234739
Specialty Neurology Physician
Credentials MD
Gender Male
NPI Issued 10/26/2006

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

84.4788
Final Score
Avg: 83.1
79.2865
Quality
59.5997
Cost
100
Promoting Interoperability

Reporting: Group practice

Hospital and facility affiliations

Facilities where BRIAN GROSBERG, 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.

HARTFORD HOSPITAL
★★★★☆ 4/5
HARTFORD, CT
Acute Care Hospitals
CMS CCN: 070025
HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS PLLC
WEST HARTFORD, CT

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for BRIAN GROSBERG, MD. Source: openpaymentsdata.cms.gov.

Total received

$10.3K

Largest payer

ABBVIE INC.

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Above average

BRIAN GROSBERG, MD — brand share 27.0%
Specialty average (est.)

27% brand-name claims vs 73% generic, on 645 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.

645
Total Claims
$219K
Total Drug Cost
110
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,022
Total Day Supply
28,215
Brand vs Generic
27% brand / 73% generic
Brand Drug Cost
$190K
Generic Drug Cost
$28K

Patient Demographics

Average Patient Age
67.8 years
Avg HCC Risk Score
1.00
Gender Split
79% female / 21% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Rizatriptan
Rizatriptan Benzoate
51
Topiramate
38
Aimovig Autoinjector
Erenumab-Aooe
37
Nortriptyline Hcl
36
Sumatriptan Succinate
35
Emgality Pen
Galcanezumab-Gnlm
29
Ubrelvy
Ubrogepant
26
Diazepam
22
Gabapentin
22
Naratriptan Hcl
22

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

Neurology Physician Overview

How BRIAN GROSBERG, MD fits within the Neurology Physician landscape nationally.

19,866
Neurology Physician Providers in US
54
States with Neurology Physician
1,309
Avg Claims per Provider

BRIAN GROSBERG, MD's 645 claims are below the specialty average of 1,309.

Nearby Neurology Physician Providers in Connecticut

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

Compare Neurology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is BRIAN GROSBERG, MD's specialty?
BRIAN GROSBERG, MD specializes in Neurology Physician and practices in WEST HARTFORD, Connecticut. Credentials: MD.
How much does BRIAN GROSBERG, MD prescribe under Medicare Part D?
In 2023, BRIAN GROSBERG, MD wrote 645 Medicare Part D claims totaling $219K in drug costs for 110 beneficiaries.
What is BRIAN GROSBERG, MD's Medicare quality score?
BRIAN GROSBERG, MD has a CMS MIPS Final Score of 84.4788/100 (Quality: 79.2865, Cost: 59.5997). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is BRIAN GROSBERG, MD located?
BRIAN GROSBERG, MD is located at 65 MEMORIAL RD STE 508, WEST HARTFORD, CT, 06107. Phone: (860) 696-2925.
What is BRIAN GROSBERG, MD's NPI number?
BRIAN GROSBERG, MD's National Provider Identifier (NPI) is 1437234739, issued on 10/26/2006.
Does BRIAN GROSBERG, MD prescribe more brand-name or generic drugs?
BRIAN GROSBERG, MD's prescribing is 27% brand-name and 73% generic drugs by claim count, with $190K in brand drug costs.
How many Neurology Physician providers are there in the US?
There are 19,866 Neurology Physician providers across 54 states in the US. The average Neurology Physician provider writes 1,309 Medicare Part D claims per year.
What drugs does BRIAN GROSBERG, MD prescribe most often?
Based on 2023 Medicare Part D data, BRIAN GROSBERG, MD's most frequently prescribed drugs include Rizatriptan, Topiramate, Aimovig Autoinjector. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does BRIAN GROSBERG, MD accept Medicare?
BRIAN GROSBERG, MD appears in CMS Medicare data with 645 Part D claims and 110 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify BRIAN GROSBERG, MD's credentials?
BRIAN GROSBERG, MD's NPI is 1437234739 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.
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