Mark P. Dacey, M.D.
Ophthalmology Physician · East Weymouth, MA
Mark P. Dacey, M.D. is an ophthalmology physician with a practice address in East Weymouth, Massachusetts, and NPI 1184613192, issued on Oct 21, 2005. Check the license (Massachusetts 79168, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark P. Dacey
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 79168 MA
Self-reported in NPPES; status is on the state search - Practice location
- 97 Libbey Industrial Pkwy Ste 100, East Weymouth, MA 02189
- Phone
- (781) 331-3300
- Enumerated
- Oct 21, 2005
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (781) 337-8356
- Medicaid ID
- 110054268A MA
- Medicare enrollment
- Enrolled (PECOS I20050901000690); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1990
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Massachusetts → Look up another NPI →
Also registered at 97 Libbey Industrial Pkwy Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Babak Jian Seyedahmadi, M.D.Ophthalmology Physician1538262761
- Richard Low, M.D.Ophthalmology Physician1851380091
- John Mandeville, M.D., PHDOphthalmology Physician1811986060
- Veena Mathew, MD, MPHOphthalmology Physician1023302445
- Mary Lisa McHam, M.D.Ophthalmology Physician1922055664
- Shelley McKee, M.D.Ophthalmology Physician1659360899
Verify Mark P. Dacey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 79168Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average ophthalmology physician in 2024
432 Medicare Part D claims for 123 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Prednisolone Acetate153 claims
- Ofloxacin72 claims
- Atropine Sulfate69 claims
- Brimonidine Tartrate44 claims
- Latanoprost33 claims
- Erythromycin12 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.
Industry payments in 2024: $251.10
4 payments; by number, the most common kind was food and beverage; the largest payer was Alimera Sciences, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ophthalmic Consultants OF Boston IncPlymouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark P. Dacey among 791 ophthalmology physician records in Massachusetts
Mark P. Dacey, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 77% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1990 · median 2002 among the 518 with a school on file
- Record last updated2021 · 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).
13 ophthalmology physician records list a practice address in East Weymouth
They are 13 of the 30 NPPES records with a practice address in East Weymouth, and 791 ophthalmology physician records in Massachusetts.
All 791 in Massachusetts → Every provider in East Weymouth → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Kimberly Hsu, M.D.Weymouth, MA 021891205156841
- Babak Jian Seyedahmadi, M.D.East Weymouth, MA 021891538262761
- Richard Low, M.D.East Weymouth, MA 021891851380091
- John Mandeville, M.D., PHDEast Weymouth, MA 021891811986060
- Veena Mathew, MD, MPHEast Weymouth, MA 021891023302445
- Mary Lisa McHam, M.D.East Weymouth, MA 021891922055664
- Shelley McKee, M.D.East Weymouth, MA 021891659360899
- Dale Oates, M.D.East Weymouth, MA 021891740279991
Common questions
What is Mark P. Dacey, M.D.'s NPI number?
Mark P. Dacey, M.D.'s National Provider Identifier (NPI) is 1184613192, issued on Oct 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark P. Dacey, M.D. located?
The NPPES record lists a practice address at 97 Libbey Industrial Pkwy Ste 100, East Weymouth, MA, 02189. Phone: (781) 331-3300. Providers update this record themselves, so call before visiting.
How can I verify Mark P. Dacey, M.D.'s license?
NPPES lists Massachusetts license number 79168, 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 Mark P. Dacey, M.D. prescribe under Medicare Part D?
In 2024, Mark P. Dacey, M.D. had 432 Medicare Part D claims for 123 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
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.