DR. SARAH LYNN PARKER MD
NPI 1770024994
Emergency Medicine in Hyannis, MA
About Dr. Sarah Lynn Parker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARAH LYNN PARKER MD (NPI 1770024994) is an individual emergency medicine provider in Hyannis, Massachusetts, licensed in New York (305358) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and maintains a secondary practice location in Valley Stream.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
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
Dr. Sarah Lynn Parker Md 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.
Medicare Billing Reassignments
3Medicare enrollment records show Sarah Parker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 57 clinicians in this Medicare group
Sandwich, MA 02563
- Reassigned Medicare billing, Massachusetts enrollment
- 129 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cape Cod Hospital
Acute Care Hospitals · Hyannis, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sarah Parker's NPI number?
The NPI number for Sarah Parker is 1770024994. It was assigned to this individual provider in the NPPES registry on March 20, 2017. The provider is also known as Dr. Sarah Lynn Dichter MD.
Where is Sarah Parker located?
Sarah Parker practices at 27 Park St, Hyannis, MA 02601. The listed phone number is (508) 771-1800.
What is Sarah Parker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Sarah Parker enrolled in Medicare?
Yes. Sarah Parker 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 organizations bill Medicare for Sarah Parker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Parker reassigns Medicare benefits to 3 organizations: Cape Cod Emergency Associates LLP (Hyannis, MA), Urgi Center Medical Group (Sandwich, MA) and North Shore-Lij Medical PC (Great Neck, NY). Each 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 Sarah Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sarah Parker affiliated with any hospitals?
According to CMS data, Sarah Parker is affiliated with Cape Cod Hospital.
When was this NPI record last updated?
The NPPES record for Sarah Parker was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.
# Dr. Sarah Lynn Parker, MD · NPI 1770024994
Emergency Medicine physician in Hyannis, Massachusetts. Individual provider, active in the CMS NPPES registry since March 20, 2017.
## Identity
- **NPI:** 1770024994 (Entity type: Individual)
- **Enumerated:** March 20, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 305358 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 27 PARK ST, Hyannis, MA 02601-5203
- **Phone:** (508) 771-1800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Cape Cod Emergency Associates LLP (NPI 1396462958, Hyannis, MA); Urgi Center Medical Group (NPI 1902146798, Sandwich, MA); North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** March 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1770024994) · Data from the CMS NPPES public registry.