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KEROACK, BRIANMD NPI 1891788659 Clinician

Rheumatology · PORTLAND, ME

Specialty Rheumatology — from billed Medicare claims
Trained TUFTS UNIVERSITY SCHOOL OF MEDICINE — medical school, self-reported to CMS
In practice about 41 years since medical school (class of 1985, self-reported to CMS)
Location PORTLAND, ME · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 35 codes billed · 68,412 disclosed services (CY2024 — most recent year in data)
Current groups
member of 2 groups; the volumes below are this clinician's personal volume and are not attributed to any single group

Group affiliation since 2019

20192026
YORK HOSPITAL
2020–2026
RHEUMATOLOGY ASSOCIATES P.A.
2019–2026

The roster archive begins in 2019, so a span starting at 2019 may reach back further. Membership spans only — no volume is attributed to any group here.

NPPES registry · CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · NPPES record last updated 2008-10

Year: 2024 · 2023 · 2022  · 2021  · 2020 

Provider overview · all codes · CY2024

The full analytics for this provider

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The billed-volume positioning, practice focus, and economics behind this provider — computed on the same disclosed Medicare Part B data.

This provider's disclosed Medicare payments across all codes were in CY2024. Included with Platform.

  • Payment, service & beneficiary totals — the disclosed scale, all codes
  • Practice profile — focus & reach — top codes by share of services
  • Office vs. facility setting mix — place-of-service code split
  • Volume over five years — discrete yearly counts, no rate
  • Peer positioning — service volume — percentile among specialty peers, cohort & year disclosed
  • Peer positioning — code breadth — how many codes billed, vs peers

Peer positioning shows billed-volume and code-breadth positions among specialty peers, not measures of care (a provider's true volume position can only be higher, never lower). All figures disclosed Medicare Part B fee-for-service; volumes are personal to this NPI, not attributed to any group.

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Procedures billed to Medicare Part B (2024)

Medicare Part B FFS · CY2024 · as published by CMS
CodeDescription Services Beneficiary-episodes Avg charge Avg Medicare payment
J3262 Injection, tocilizumab, 1 mg
J1602 Injection, golimumab, 1 mg, for intravenous use
J1010 Injection, methylprednisolone acetate, 1 mg
J0897 Injection, denosumab, 1 mg
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
36415 Insertion of needle into vein for collection of blood sample
J7050 Infusion, normal saline solution, 250 cc
80053 Blood test, comprehensive group of blood chemicals
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
96413 Administration of chemotherapy into vein, 1 hour or less
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less
86140 Measurement c-reactive protein for detection of infection or inflammation
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated
J3489 Injection, zoledronic acid, 1 mg
96372 Injection of drug or substance under skin or into muscle
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
82306 Vitamin d-3 level
20610 Aspiration and/or injection of fluid from large joint
96375 Injection of additional new drug or substance into vein
77080 Dxa bone density measurement of hip, pelvis, spine
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
77089 Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk
96415 Administration of chemotherapy into vein, each additional hour
J1030 Injection, methylprednisolone acetate, 40 mg
76882 Limited ultrasound scan of joint or other extremity structure except blood vessels
89060 Crystal identification from tissue or body fluid
84443 Blood test, thyroid stimulating hormone (tsh)
84550 Uric acid level, blood
89051 Body fluid cell count with cell identification
81000 Manual urinalysis test with examination using microscope, non-automated
73560 X-ray of knee, 1-2 views
73502 X-ray of hip, 2-3 views
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more

These are this provider's own Medicare Part B fee-for-service volumes (CMS public data). CMS suppresses rows with fewer than 11 beneficiaries, so low-volume codes may be missing entirely — absence is not zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average charge and average Medicare payment are weighted by service volume across office and facility settings. Volumes on this page are personal to the NPI and are not attributed to any physician group. See Methods & Sources.