Johanna Margaret Seddon, MD
Ophthalmology Physician · Boston, MA
Johanna Margaret Seddon, MD is an ophthalmology physician with a practice address in Boston, Massachusetts, and NPI 1699753681, issued on Jan 9, 2006. Check the license (Massachusetts 38282, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Johanna Margaret Seddon
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 38282 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Hawthorne PL Ste 106, Boston, MA 02114
- Phone
- (617) 523-0955
- Enumerated
- Jan 9, 2006
- Record last updated
- Oct 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (617) 523-5376
- Medicaid ID
- 6172954 MA
- Medicare enrollment
- Enrolled (PECOS I20040301001102); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1974
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Massachusetts → Look up another NPI →
Verify Johanna Margaret Seddon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 38282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average ophthalmology physician in 2024
134 Medicare Part D claims for 32 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Latanoprost63 claims
- Dorzolamide-Timolol24 claims
- Combigan11 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): 97 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johanna Margaret Seddon among 791 ophthalmology physician records in Massachusetts
Johanna Margaret Seddon, MD is one of 791 ophthalmology physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 23% of them.
- NPI issued2006 · 23% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1974 · median 2002 among the 518 with a school on file
- Record last updated2020 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Massachusetts
There are 791 ophthalmology physician records in Massachusetts.
All 791 in Massachusetts → Every provider in Boston → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Sandra Cremers, MDBoston, MA 021141588654040
- Thaddeus Dryja, MDBoston, MA 021141619961968
- Suzanne Freitag, MDBoston, MA 021141710974464
- Matthew Gardiner, MDBoston, MA 021141366432833
- Deeba Husain, MDBoston, MA 021141952397697
- Ula Jurkunas, MDBoston, MA 021141386634699
- Ivana Kim, M.D.Boston, MA 021141851381933
- Peter Lou, MDBoston, MA 021141316937709
Common questions
What is Johanna Margaret Seddon, MD's NPI number?
Johanna Margaret Seddon, MD's National Provider Identifier (NPI) is 1699753681, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Johanna Margaret Seddon, MD located?
The NPPES record lists a practice address at 10 Hawthorne PL Ste 106, Boston, MA, 02114. Phone: (617) 523-0955. Providers update this record themselves, so call before visiting.
How can I verify Johanna Margaret Seddon, MD's license?
NPPES lists Massachusetts license number 38282, 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 Johanna Margaret Seddon, MD prescribe under Medicare Part D?
In 2024, Johanna Margaret Seddon, MD had 134 Medicare Part D claims for 32 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Johanna Margaret Seddon, MD's MIPS final score?
The 2023 MIPS final score is 97 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.