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NATAN SEIDEL MD
NPI 1437543923
Pediatrics in Braintree, MA

Active since March 24, 2015PECOS Enrolled
340 WOOD RD STE 301, BRAINTREE, MA 02184(781) 356-6200 Get Directions Write a Review

NPPES record last updated: October 11, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 11, 2019, Mar 28, 2018 (2 updates tracked since 2018).

About Natan Seidel Md NPPES

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

NATAN SEIDEL MD (NPI 1437543923) is an individual pediatrics provider in Braintree, Massachusetts, licensed in Massachusetts (273830) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437543923
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameNATAN SEIDELCredential: MD
Location Address340 WOOD RD STE 301Braintree, MA 02184-2418
Mailing Address340 Wood Rd Ste 301Braintree, MA 02184-2418
Phone(781) 356-6200
Sole ProprietorYes
Enumeration DateMarch 24, 2015
Last NPPES UpdateOctober 11, 20192 updates tracked since enumeration
✔ NPI 1437543923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 273830
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
340 WOOD RD STE 301, Braintree, MA 02184
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Natan Seidel Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Natan Seidel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital Pediatric Associates, Inc
9.0 mi
Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 clinicians in this Medicare group
NPI 1457306664 (617) 355-6000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02184 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

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 Natan Seidel's NPI number?

The NPI number for Natan Seidel is 1437543923. It was assigned to this individual provider in the NPPES registry on March 24, 2015.

Where is Natan Seidel located?

Natan Seidel practices at 340 Wood Rd Ste 301, Braintree, MA 02184. The listed phone number is (781) 356-6200.

What is Natan Seidel's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Natan Seidel enrolled in Medicare?

Yes. Natan Seidel is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Natan Seidel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Natan Seidel reassigns Medicare benefits to Children's Hospital Pediatric Associates, Inc (Boston, MA). 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 Natan Seidel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Natan Seidel was last updated on October 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.