Heather Layfield, PA-C
Physician Assistant · Portsmouth, NH
Heather Layfield, PA-C is a physician assistant with a practice address in Portsmouth, New Hampshire, and NPI 1992855878, issued on Jan 11, 2007. Check the license (New Hampshire 0747, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Layfield
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 0747 NH
103706 NC
Self-reported in NPPES; status is on the state search - Practice location
- 333 Borthwick Ave, Portsmouth, NH 03801
- Phone
- (603) 433-4012
- Enumerated
- Jan 11, 2007
- Record last updated
- Apr 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (603) 926-2853
- Medicaid IDs
- 435059199 ME
30337795 NH
0382PA SC - Medicare enrollment
- Enrolled (PECOS I20180620003003); accepts Medicare assignment
- Medical or professional school
- Univ Of Nebraska Medical Center, Col Of Dentistry, 2006
- Entity
- Type 1 · individual
Also registered at 333 Borthwick Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clayton Abeln, MDEmergency Medicine Physician1740926633
- Pahel Agarwal, M.DStudent in an Organized Health Care Education/Training Program1083469829
- Basil Al-Masarweh, MBBSStudent in an Organized Health Care Education/Training Program1346092004
- Nicholas Alana, MDInternal Medicine Physician1922687599
- Donavon Albertson, MDEmergency Medicine Physician1780759027
- Hossam Algamil, M.D.Hospitalist Physician1942429865
Verify Heather Layfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 0747Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average physician assistant in 2024
619 Medicare Part D claims for 406 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate108 claims
- Prednisone70 claims
- Amoxicillin-Clavulanate Potass61 claims
- Cephalexin59 claims
- Albuterol Sulfate Hfa50 claims
- Azithromycin20 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): 98.1 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).
One hospital affiliation
- York HospitalSanford, ME · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
52 physician assistant records list a practice address in Portsmouth
They are 52 of the 1,860 NPPES records with a practice address in Portsmouth, and 947 physician assistant records in New Hampshire.
All 52 in Portsmouth → All 947 in New Hampshire → Every provider in Portsmouth →
Other physician assistant records in New Hampshire
- Micala Abbiati, PA-CBedford, NH1437702123
- Robin Abeles, PA-CNorth Conway, NH1285119875
- Maud AbessNew London, NH1174715452
- Rosemarie Addante, PA-CLebanon, NH1356846752
- Anna Adler, PA-CLebanon, NH1578216677
- Lisa Ahava, PAChesterfield, NH1487693453
- Ssara AhmmedManchester, NH1144140138
- Liliana Rose Akin, PA-S2Manchester, NH1205793551
- Matthew Alexander, PHD, PA-SLebanon, NH1548721517
- David Allen, PANashua, NH1952337982
Common questions
What is Heather Layfield, PA-C's NPI number?
Heather Layfield, PA-C's National Provider Identifier (NPI) is 1992855878, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Heather Layfield, PA-C located?
The NPPES record lists a practice address at 333 Borthwick Ave, Portsmouth, NH, 03801. Phone: (603) 433-4012. Providers update this record themselves, so call before visiting.
How can I verify Heather Layfield, PA-C's license?
NPPES lists New Hampshire license number 0747, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Heather Layfield, PA-C prescribe under Medicare Part D?
In 2024, Heather Layfield, PA-C had 619 Medicare Part D claims for 406 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Heather Layfield, PA-C's MIPS final score?
The 2023 MIPS final score is 98.1 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.