NPPES file of Aug 9, 2026

Henry David Greyner-Almeida, MD

Ophthalmology Physician · Reading, MA

Henry David Greyner-Almeida, MD is an ophthalmology physician with a practice address in Reading, Massachusetts, and NPI 1124656533, issued on Mar 31, 2020. Check the license (Massachusetts 1022664, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124656533
Name
Henry David Greyner-Almeida
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
1022664 MA
Self-reported in NPPES; status is on the state search
Practice location
20 Pondmeadow Dr, Reading, MA 01867
Phone
(781) 942-9876
Enumerated
Mar 31, 2020
Record last updated
Sep 9, 2025
Fax
(781) 942-9877
Medicare enrollment
Enrolled (PECOS I20250811002310); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 20 Pondmeadow Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Claudine AnastasiPhysical Therapist1194844514
  2. Michael Bresnahan, MDInternal Medicine Physician1255405973
  3. Brian Casserly, MDInternal Medicine Physician1366516080
  4. Linda Collamore, RPTPhysical Therapist1669642872
  5. Shannon Duffy, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1255427399
  6. Patricia Foley, FNPFamily Nurse Practitioner1821334434

Verify Henry David Greyner-Almeida in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 1022664
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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8% more Medicare Part D claims than the average ophthalmology physician in 2024

1,642 Medicare Part D claims for 546 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.

  1. Henry Greyner-Almeida1,642
  2. Specialty average1,518

Most prescribed

  1. Latanoprost468 claims
  2. Brimonidine Tartrate241 claims
  3. Prednisolone Acetate207 claims
  4. Dorzolamide-Timolol162 claims
  5. Timolol Maleate92 claims
  6. Ketorolac Tromethamine77 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: $733.89

5 payments; by number, the most common kind was food and beverage; the largest payer was Sight 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.

  1. Henry Greyner-Almeida$733.89
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Specialty Eye Consultants 2 LLCReading, MA
  2. Specialty Eye Consultants, LLCReading, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Henry David Greyner-Almeida among 791 ophthalmology physician records in Massachusetts

Henry David Greyner-Almeida, 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 2020, is newer than 88% of them.

  • NPI issued2020 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2020 · median 2002 among the 518 with a school on file
  • Record last updated2025 · 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.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Mark Latina, MDReading, MA 018671801886346
  2. John Nolan, M.D.Reading, MA 018671659721710
  3. C. Douglas Evans, MDWakefield, MA 018801982655643
  4. Edward McCarthy Jr., MDWakefield, MA 018801275681132
  5. Kimberly Mooney-McNulty, MDWakefield, MA 018801588616775
  6. John Capino, MDLowell, MA 018501730147612
  7. Connor Baharozian, MDWestford, MA 018861477116275
  8. Richard Dallow, MDWinchester, MA 018901083612360

Common questions

What is Henry David Greyner-Almeida, MD's NPI number?

Henry David Greyner-Almeida, MD's National Provider Identifier (NPI) is 1124656533, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Henry David Greyner-Almeida, MD located?

The NPPES record lists a practice address at 20 Pondmeadow Dr, Reading, MA, 01867. Phone: (781) 942-9876. Providers update this record themselves, so call before visiting.

How can I verify Henry David Greyner-Almeida, MD's license?

NPPES lists Massachusetts license number 1022664, 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 Henry David Greyner-Almeida, MD prescribe under Medicare Part D?

In 2024, Henry David Greyner-Almeida, MD had 1,642 Medicare Part D claims for 546 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.