Sarah Lynn Parker, MD
Emergency Medicine Physician · Hyannis, MA
Sarah Lynn Parker, MD is an emergency medicine physician with a practice address in Hyannis, Massachusetts, and NPI 1770024994, issued on Mar 20, 2017. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sarah Lynn Parker
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 305358 NY
Self-reported in NPPES; status is on the state search - Practice location
- 27 Park St, Hyannis, MA 02601
- Phone
- (508) 771-1800
- Enumerated
- Mar 20, 2017
- Record last updated
- Mar 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20250528000494); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 27 Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Harvey Auerbach, MDAnesthesiology Physician1881614246
- Eric Band, M.D.Anesthesiology Physician1033475439
- Scott Barron, MDPediatrics Physician1992790760
Verify Sarah Lynn Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average emergency medicine physician in 2024
155 Medicare Part D claims for 122 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Ibuprofen23 claims
- Cefuroxime19 claims
- Ondansetron Odt11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cape Cod Emergency Associates LLPHyannis, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Lynn Parker among 1,829 emergency medicine physician records in Massachusetts
Sarah Lynn Parker, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2011 among the 1,200 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 emergency medicine physician records list a practice address in Hyannis
They are 20 of the 1,457 NPPES records with a practice address in Hyannis, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Hyannis → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kevin Bresnahan, MDHyannis, MA 026011003867144
- Shant Broukian, M.D.Hyannis, MA 026011538505920
- Craig Cornwall, MDHyannis, MA 026011750331443
- Ralph Delorie, MDHyannis, MA 026011356392112
- Valerie Doyle, DOHyannis, MA 026011649617440
- Michael Hall, MDHyannis, MA 026011881650521
- Jeff Herbst, MDHyannis, MA 026011316998396
- Steven Kohler, MDHyannis, MA 026011134170194
Common questions
What is Sarah Lynn Parker, MD's NPI number?
Sarah Lynn Parker, MD's National Provider Identifier (NPI) is 1770024994, issued on Mar 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Lynn Parker, MD located?
The NPPES record lists a practice address at 27 Park St, Hyannis, MA, 02601. Phone: (508) 771-1800. Providers update this record themselves, so call before visiting.
How can I verify Sarah Lynn Parker, MD's license?
Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sarah Lynn Parker, MD prescribe under Medicare Part D?
In 2024, Sarah Lynn Parker, MD had 155 Medicare Part D claims for 122 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Sarah Lynn Parker, MD's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.