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ADAM SEIDNER M.D.
NPI 1144208240
Family Medicine in New London, CT

Active since January 09, 2006PECOS EnrolledAccepts Medicare Assignment
97.27/100
CMS Quality Rating
325 MONTAUK AVE, NEW LONDON, CT 06320(860) 344-6300(860) 344-9249 Get Directions Write a Review

NPPES record last updated: August 13, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Adam Seidner M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ADAM SEIDNER M.D. (NPI 1144208240) is an individual family medicine provider in New London, Connecticut, licensed in Connecticut (030901) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of Ny Upstate Medical University (1988).

NPPES Registry Identity

NPI1144208240
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameADAM SEIDNERCredential: M.D.
Location Address325 MONTAUK AVENew London, CT 06320-4724
Mailing Address90 S Main StMiddletown, CT 06457-3649 · (860) 344-6300 · Fax (860) 344-9249
Phone(860) 344-6300
Fax(860) 344-9249
Sole ProprietorNo
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 1988
Enumeration DateJanuary 9, 2006
Last NPPES UpdateAugust 13, 2009
✔ NPI 1144208240 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CT · 030901
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedPreventive Medicine · Occupational MedicineTaxonomy 2083X0100X · License 030901 (CT)
325 MONTAUK AVE, New London, CT 06320
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINE76878

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Adam Seidner M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981744158
PECOS Enrollment IDI20091218000328
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Adam Seidner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Middlesex Hospital Dba Family Practice Group Portland
32 mi
Medical
595 MAIN ST
Portland, CT 06480
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Middlesex Hospital
  • 66 clinicians in this Medicare group
NPI 1568597128 (860) 344-6394

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
85 services71 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
51 services48 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
15 services15 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
14 services14 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06320 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.68
Promoting Interoperability100
Improvement Activities40

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adam Seidner's NPI number?

The NPI number for Adam Seidner is 1144208240. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Where is Adam Seidner located?

Adam Seidner practices at 325 Montauk Ave, New London, CT 06320. The listed phone number is (860) 344-6300.

What is Adam Seidner's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Adam Seidner enrolled in Medicare?

Yes. Adam Seidner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Adam Seidner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Seidner reassigns Medicare benefits to Middlesex Hospital Dba Family Practice Group Portland (Portland, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adam Seidner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Adam Seidner accept?

Health plans from Anthem Blue Cross and Blue Shield list Adam Seidner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Adam Seidner was last updated on August 13, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.