Katherine Mary Merra, MD
Orthopaedic Surgery Physician · Hingham, MA
Katherine Mary Merra, MD is an orthopaedic surgery physician with a practice address in Hingham, Massachusetts, and NPI 1336140425, issued on Aug 10, 2005. Check the license (Massachusetts 74730, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katherine Mary Merra
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 74730 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Pond Park RD., Hingham, MA 02043
- Phone
- (781) 337-5555
- Enumerated
- Aug 10, 2005
- Record last updated
- Oct 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (781) 331-0300
- Medicaid ID
- 3079902 MA
- Medicare enrollment
- Enrolled (PECOS I20060309000510); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1985
- Entity
- Type 1 · individual
Also registered at 2 Pond Park RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Ayers, M.D.Orthopaedic Surgery Physician1750318887
- Erica Bayly, M.D.Orthopaedic Surgery Physician1730113358
- James Devin, MDOrthopaedic Surgery Physician1386636488
- Julie Haviland, PA-CSurgical Physician Assistant1679873350
- Owen McConville, MDOrthopaedic Surgery Physician1114928280
Verify Katherine Mary Merra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 74730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
22 Medicare Part D claims, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ibuprofen18 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 practice group's MIPS final score for 2023 (Medicare payment program): 69 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
15 orthopaedic surgery physician records list a practice address in Hingham
They are 15 of the 623 NPPES records with a practice address in Hingham, and 692 orthopaedic surgery physician records in Massachusetts.
All 15 in Hingham → All 692 in Massachusetts → Every provider in Hingham →
Other orthopaedic surgery physician records in Massachusetts
- Daniel Aaron, M.D.Worcester, MA1518184605
- Amy Abbot, M.D.Milford, MA1184773996
- Ayesha Abdeen, M.D.Boston, MA1891959011
- Michael Ackland, MDBoston, MA1679759914
- David Adelberg, MDN Dartmouth, MA1053316356
- Louis Adler, MDSpringfield, MA1033136601
- Jesse Affonso, M.D.Hyannis, MA1336382373
- Kiran Agarwal-Harding, MDBoston, MA1003229097
- Kshitijkumar Agrawal, MDBrighton, MA1659667673
- Munif Ahmad Hatem, MDBoston, MA1497357701
Common questions
What is Katherine Mary Merra, MD's NPI number?
Katherine Mary Merra, MD's National Provider Identifier (NPI) is 1336140425, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Mary Merra, MD located?
The NPPES record lists a practice address at 2 Pond Park RD., Hingham, MA, 02043. Phone: (781) 337-5555. Providers update this record themselves, so call before visiting.
How can I verify Katherine Mary Merra, MD's license?
NPPES lists Massachusetts license number 74730, as entered by the provider. 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 Katherine Mary Merra, MD prescribe under Medicare Part D?
In 2024, Katherine Mary Merra, MD had 22 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Katherine Mary Merra, MD's MIPS final score?
The 2023 MIPS final score is 69 of 100, reported for the practice group. 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.