Henry Greyner-Almeida, MD
NPI 1124656533 · Ophthalmology Physician · Reading, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Henry Greyner-Almeida, MD is a Ophthalmology Physician provider in Reading, MA (NPI 1124656533).
Provider details
- NPI number
- 1124656533
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1022664 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
142 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Exam of Visual Field With Extended Testing92083 | 31 | $27 |
| Imaging of Optic Nerve92133 | 22 | $22 |
| Dilation of Fluid Outflow Drainage Within Eye66174 | 21 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 21 | $67 |
| Ultrasound Scan of Cornea to Determine Thickness76514 | 18 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 15 | $142 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 468 | 190 |
| Brimonidine Tartrate | 241 | 101 |
| Prednisolone Acetate | 207 | 161 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 162 | 84 |
| Timolol Maleate | 92 | 46 |
| Ketorolac Tromethamine | 77 | 66 |
| Dorzolamide Hcl | 70 | 28 |
| Ofloxacin | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$734 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-31
- Last updated
- 2025-09-09
- Certified
- 2025-09-09
Frequently asked questions
- What is Henry Greyner-Almeida's NPI number?
- Henry Greyner-Almeida's National Provider Identifier (NPI) is 1124656533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Greyner-Almeida's specialty?
- Henry Greyner-Almeida is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Henry Greyner-Almeida located?
- Henry Greyner-Almeida's practice location on file with NPPES is 20 Pondmeadow Dr, Reading, MA 01867-3218.
- What is Henry Greyner-Almeida's phone number?
- The practice phone number listed in the NPPES registry for Henry Greyner-Almeida is (781) 942-9876.
- Does Henry Greyner-Almeida accept Medicare?
- Henry Greyner-Almeida is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Henry Greyner-Almeida's NPI active?
- Yes — Henry Greyner-Almeida's NPI (1124656533) is active in the NPPES registry as of the last update on 2025-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.