DR. JAMES LORENZEN BOYER (M.D.) – Gastroenterology Physician, NPI 1447233267

DR. JAMES LORENZEN BOYER (M.D.) is a healthcare provider. based in New haven, Connecticut. specializing in GASTROENTEROLOGY. They hold the professional credentials M.D.. They hold a License No. 012702 (CT). The NPI Number for DR. JAMES LORENZEN BOYER (M.D.) is 1447233267

Main info

Male
64 Years Of Experience
Accepts Medicare Assignment
Name
DR. JAMES LORENZEN BOYER (M.D.)
NPI
1447233267
Phone
(203) 785-7352
Address
PO BOX 98019, 333 CEDAR ST, 1080 LMP
Enumeration Date
25 November 2005
Last Update Date
14 November 2012

Doctor Profile

Medical School Name
JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2037854138
Graduation Year
1962 (64 years ago)
PAC ID
2264567478
Group Practice PAC ID
9436061736
Professional Enrollment ID
I20100312000669
Address ID
CT065102715NE40XXXSTXX306
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

401 GASTROENTEROLOGY in CT

Provider Addresses for DR. JAMES LORENZEN BOYER (M.D.)

  • PO BOX 98019, 333 CEDAR ST, 1080 LMP

    YALE UNIVERSITY SHOOL OF MEDICINE, SECTION OF DIGESTIVE

    NEW HAVEN, CT 065208019

    Phone: (203) 785-7352

    Fax: (203) 785-7273

    Type: Mailing

  • 40 TEMPLE ST., SUITE 1A

    TEMPLE MEDICAL CENTER

    NEW HAVEN, CT 06510

    Phone: (203) 785-4138

    Fax: (203) 785-6414

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 23 Open Payments records for all available years, with a total value of $39,093.

Total Amount is formed as General ($36,230) + Research ($2,862) + Ownership ($0) = $39,093.

Last reported payment date: 2024-09-12 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($12,950).

Total Amount

$39,093

General + Research + Ownership

Payments

23

Total payment records

General Amount

$36,230

General payments

Research Amount

$2,862

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-09-12

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: 2010-03-12

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
I20100312000669IGastroenterologyCTTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 06520)

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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: 9436061736View full group profile
NameSpecialtyState
Interventional Cardiology, Cardiovascular Disease (Cardiology)CT
H E M A T O L O G Y/ O N C O L O G YCT
Internal Medicine, NephrologySC
-CT
-NC
Internal MedicineCT
-CT
Cardiac SurgeryCT
-CT
-CT

Reviews

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Frequently asked questions

Can I cross-check DR. JAMES LORENZEN BOYER (M.D.) using NPI 1447233267?
NPI 1447233267 belongs to DR. JAMES LORENZEN BOYER (M.D.); compare other details if you need extra assurance.
Would DR. JAMES LORENZEN BOYER (M.D.) appear as active to a payer?
You can treat DR. JAMES LORENZEN BOYER (M.D.) as active for directory purposes; confirm clinical privileges separately.
What expertise is attributed to DR. JAMES LORENZEN BOYER (M.D.)?
DR. JAMES LORENZEN BOYER (M.D.)'s specialty line reads Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with DR. JAMES LORENZEN BOYER (M.D.)?
Directory geography for DR. JAMES LORENZEN BOYER (M.D.) centers on New Haven, Connecticut.
Can I trust this NPI listing for DR. JAMES LORENZEN BOYER (M.D.)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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