DR. THOMAS L JR. KNORR – Emergency Medicine Physician, NPI 1477932911

DR. THOMAS L JR. KNORR is a healthcare provider. based in Boston, Massachusetts. specializing in EMERGENCY MEDICINE. They hold a License No. 2019-00896 (NC). The NPI Number for DR. THOMAS L JR. KNORR is 1477932911

Main info

Male
Sole Proprietor
11 Years Of Experience
Accepts Medicare Assignment
Name
DR. THOMAS L JR. KNORR
NPI
1477932911
Phone
(847) 224-5016
Address
330 BROOKLINE AVE
Enumeration Date
28 May 2015
Last Update Date
21 October 2022

Doctor Profile

Medical School Name
UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Secondary Phone
7046604055
Graduation Year
2015 (11 years ago)
PAC ID
6103181813
Group Practice PAC ID
1557398609
Professional Enrollment ID
I20190809001413
Address ID
NC286015033HI420XXSTXX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience51
Completeness75
Years active:11State licenses:1Digital endpointsOther names

1,682 EMERGENCY MEDICINE in MA

Provider Addresses for DR. THOMAS L JR. KNORR

  • 330 BROOKLINE AVE

    BOSTON, MA 022155400

    Phone: (847) 224-5016

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $36.

Total Amount is formed as General ($36) + Research ($0) + Ownership ($0) = $36.

Last reported payment date: 2023-12-12 • Largest payer in this snapshot: Inari Medical, Inc. ($18).

Total Amount

$36

General + Research + Ownership

Payments

2

Total payment records

General Amount

$36

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-12-12

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2019-08-09

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20190809001413IEmergency MedicineNCTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99285Emergency department visit with high level of medical decision making150145$0
99284Emergency department visit with moderate level of medical decision making6563$0
99291Critical care, first 30-74 minutes6362$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only2525$0
View full utilization report →

Insurance plans in this area (ZIP 02215)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1557398609View full group profile
NameSpecialtyState
Emergency MedicineTX
Physician AssistantNC
Emergency MedicineKY
Nurse PractitionerIN
Emergency MedicineNC
Emergency MedicineNC
Nurse PractitionerNC
Emergency MedicineNC
Nurse PractitionerNC
Emergency MedicineOH

Reviews

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Frequently asked questions

How is DR. THOMAS L JR. KNORR identified in CMS data?
CMS-hosted NPPES data lists DR. THOMAS L JR. KNORR with NPI 1477932911.
Can I rely on DR. THOMAS L JR. KNORR being an active provider?
As of the registry snapshot, DR. THOMAS L JR. KNORR is marked active.
What is DR. THOMAS L JR. KNORR's specialty?
The listing groups DR. THOMAS L JR. KNORR with Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
What area does DR. THOMAS L JR. KNORR serve?
DR. THOMAS L JR. KNORR's listing highlights Boston, Massachusetts; more addresses can appear in NPPES.
Why does DR. THOMAS L JR. KNORR have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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