ADAM SEIDNER (M.D.) – Family Medicine Physician, NPI 1144208240

ADAM SEIDNER (M.D.) is a healthcare provider. based in Middletown, Connecticut. specializing in FAMILY PRACTICE. They hold the professional credentials M.D.. They hold a License No. 030901 (CT). The NPI Number for ADAM SEIDNER (M.D.) is 1144208240

Main info

Male
38 Years Of Experience
Accepts Medicare Assignment
Name
ADAM SEIDNER (M.D.)
NPI
1144208240
Phone
(860) 344-6300
Address
90 S MAIN ST
Enumeration Date
9 January 2006
Last Update Date
13 August 2009

Doctor Profile

Medical School Name
STATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Secondary Phone
8603586486
Graduation Year
1988 (38 years ago)
PAC ID
4981744158
Group Practice PAC ID
5092611731
Professional Enrollment ID
I20091218000328
Address ID
CT064573654MI28XXXSTXX300
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

822 FAMILY PRACTICE in CT

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Provider Addresses for ADAM SEIDNER (M.D.)

  • Family Practice Group, 90, South Main Street, South Farms, Middletown, Middlesex County, Connecticut, 06457, United States

    MIDDLETOWN, CT 064573649

    Phone: (860) 344-6300

    Fax: (860) 344-9249

    Type: Mailing

  • 325, Montauk Avenue, Downtown New London Historic District, Downtown New London, New London, New London County, Connecticut, 06320, United States

    NEW LONDON, CT 063204724

    Phone: (860) 344-6300

    Fax: (860) 344-9249

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2009-12-18

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
I20091218000328IFamily PracticeCTTBD

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
99213Established patient office or other outpatient visit, 20-29 minutes6658$0
99214Established patient office or other outpatient visit, 30-39 minutes4341$0
View full utilization report →

Insurance plans in this area (ZIP 06457)

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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: 5092611731View full group profile
NameSpecialtyState
Family Practice, HospitalistCT
-CT
H O S P I T A L I S TDC
H O S P I T A L I S TCT
Nurse PractitionerCT
Family Practice, Geriatric MedicineCT
-CT
H O S P I T A L I S TCT
-CT
Physician AssistantCT

Reviews

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Frequently asked questions

What number should I use to identify ADAM SEIDNER (M.D.) for billing?
Administrative and clinical systems typically use NPI 1144208240 for ADAM SEIDNER (M.D.).
Is ADAM SEIDNER (M.D.)'s NPI status active today?
Active status means ADAM SEIDNER (M.D.)'s NPI record is not deactivated in the public file.
What type of care does ADAM SEIDNER (M.D.) provide?
ADAM SEIDNER (M.D.)'s profile centers on Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Is ADAM SEIDNER (M.D.) tied to Middletown, Connecticut?
If you are local to Middletown, Connecticut, ADAM SEIDNER (M.D.) may be relevant to your search.
Who maintains ADAM SEIDNER (M.D.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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