Dr. Katherine Mary Merra, MD
- Medicare services, 2024
- 3,238
- Medicare patients, 2024
- 500
- Part D claims, 2024
- 22
- MIPS score, 2024
- 76
- Hospital affiliations
- 1
- Practice address
- 2 Pond Park Road, Hingham, MA 02043
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Center for Orthopedics Spine and Sports Medicine - HOPD
Acute Care Hospital outpatient department · Hingham, Massachusetts
Find Dr. Merra's professional email, personal email and mobile number
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Dr. Katherine Mary Merra is an orthopedic surgeon in Hingham, Massachusetts
Dr. Merra practices at Center for Orthopedics Spine and Sports Medicine - HOPD in Hingham, Massachusetts.
Dr. Merra's NPI, 1336140425, was assigned on August 10, 2005. Dr. Merra graduated from Georgetown University School of Medicine in 1985. Dr. Merra holds Massachusetts license 74730.
- NPI
- 1336140425NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476560897
- NPI enumeration date
- August 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Mary Merra practices at Center for Orthopedics Spine and Sports Medicine - HOPD in Hingham, Massachusetts
Dr. Merra's primary practice is Center for Orthopedics Spine and Sports Medicine - HOPD, at 2 Pond Park Road, Hingham, MA 02043.
- Center for Orthopedics Spine and Sports Medicine - HOPD2 Pond Park Road, Hingham, MA 02043
Source: Dmand AI Affiliation Data
Dr. Katherine Mary Merra is affiliated with 4 sites of care and 1 medical group
Dr. Merra's primary practice is Center for Orthopedics Spine and Sports Medicine - HOPD in Hingham, Massachusetts. Dr. Merra is also affiliated with South Shore Hospital. The medical group on file is South Shore Orthopedics. Dmand AI also links Dr. Merra to 1 more group practice or clinic and 1 ambulatory surgery center, each named with a free account. Dr. Merra's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Katherine Mary Merra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merra practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Center for Orthopedics Spine and Sports Medicine - HOPD | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine Mary Merra is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Merra's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Merra is licensed in Massachusetts.
Specialties and state licenses
- Orthopaedic surgery, MassachusettsPrimary
Orthopedic surgeons near Dr. Merra
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Katherine Mary Merra billed Medicare for 3,238 services in 2024
CMS data shows 3,238 Medicare services from Dr. Merra across 14 procedure codes in 2024, for 500 Medicare patients. Medicare paid $120,294 for them. Every service was in an office.
Dr. Merra's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,6152024: 1,6001%
- Office and hospital visits
- 2023: 7252024: 7524%
- Imaging
- 2023: 4032024: 44611%
- Surgery
- 2023: 4532024: 4403%
Dr. Merra compared with the Massachusetts median for orthopedic surgeons, 2024
- Dr. Merra
- Massachusetts median
- Medicare services
- 3,238vs 6724.8 times
- Medicare patients
- 500vs 30266% above
- Part D claims
- 18vs 5064% below
Medians across 543 orthopedic surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Merra's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Merra and other orthopedic surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine Mary Merra treated 500 Medicare patients in 2024, average age 75
CMS counts 500 Medicare patients who saw Dr. Merra in 2024. The largest group is 75 to 84, with 207 patients. 74% of them have high cholesterol, and 73% have arthritis. 12% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Merra's median patient age at 61, with 72% women.
Dr. Merra's Medicare patients by age, 2024
Dr. Merra's Medicare patients by sex, 2024
- Women37274%
- Men12826%
Chronic conditions among Dr. Merra's Medicare patients, 2024
- High cholesterol74%
- Arthritis73%
- High blood pressure67%
- Anxiety32%
- Mood disorders24%
- Diabetes21%
- Cancer20%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women72%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine Mary Merra wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Merra wrote 22 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $72 in total drug cost. In 2022, CMS named 16 claims across 1 drug.
Dr. Merra's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 162024: 1813%
Drugs named by CMS: 1 in 2024, 1 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Katherine Mary Merra scored 76 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Merra for performance year 2024, reported as part of a group. Dr. Merra accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Merra's MIPS scores, performance year 2024
- 76of 100Final score
- 72.7of 100Quality
- 92of 100Promoting Interoperability
- 40of 100Improvement Activities
- 56of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Katherine Mary Merra received $244 in industry payments from 2016 to 2019
CMS Open Payments shows 3 general payments to Dr. Merra from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Flexion Therapeutics, Inc. paid the most, $98.
General payments to Dr. Merra by program year, 2016 to 2019
Companies that paid Dr. Merra the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katherine Mary Merra graduated from Georgetown University School of Medicine
Dr. Merra graduated from Georgetown University School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katherine Mary Merra's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Katherine Mary Merra
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Katherine Mary Merra's NPI number?
Dr. Katherine Mary Merra's NPI number is 1336140425. It was assigned on August 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Mary Merra?
Dr. Katherine Mary Merra is an orthopedic surgeon in Hingham, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Katherine Mary Merra practice?
Dr. Merra practices at 2 Pond Park Road, Hingham, MA 02043. Dr. Merra's primary practice is Center for Orthopedics Spine and Sports Medicine - HOPD in Hingham, Massachusetts. Dmand AI also links Dr. Merra to 1 group practice or clinic and 1 ambulatory surgery center.
What is Dr. Katherine Mary Merra's medical license number?
Dr. Merra holds Massachusetts license 74730.
Which hospitals is Dr. Katherine Mary Merra affiliated with?
Dr. Merra is affiliated with South Shore Hospital.
What medical group is Dr. Katherine Mary Merra part of?
Dr. Merra is linked to South Shore Orthopedics.
Does Dr. Katherine Mary Merra accept Medicare?
Yes. CMS data shows Dr. Merra billed Medicare for 3,238 services in 2024, and Dr. Merra accepts Medicare assignment.
What is Dr. Katherine Mary Merra's MIPS score?
Dr. Merra's MIPS final score for performance year 2024 is 76 out of 100, reported as part of a group.
How many Medicare patients does Dr. Katherine Mary Merra see?
CMS counts 500 Medicare patients who saw Dr. Merra in 2024, with an average age of 75.
What services does Dr. Katherine Mary Merra bill to Medicare?
In 2024, Dr. Merra's most billed Medicare services were injected or infused drug (J3301), surgery: bones and joints (20610) and office visit, established patient (99213).
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Where did Dr. Katherine Mary Merra go to medical school?
Dr. Merra graduated from Georgetown University School of Medicine in 1985.
What drugs does Dr. Katherine Mary Merra prescribe most?
In 2024 Medicare Part D data, Dr. Merra's most prescribed drugs by claims were Ibuprofen.
Has Dr. Katherine Mary Merra received payments from drug or device companies?
CMS Open Payments shows $244 in general payments to Dr. Merra from 3 companies from 2016 to 2019. The largest total came from Flexion Therapeutics, Inc.
How long has Dr. Katherine Mary Merra been practicing?
Dr. Merra graduated from medical school in 1985, 41 years ago.
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