Michael Summerfield, M.D.
NPI 1588690358 · Ophthalmology Physician · Riverdale, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Summerfield, M.D. is a Ophthalmology Physician provider in Riverdale, MD (NPI 1588690358).
Provider details
- NPI number
- 1588690358
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD036125 (DC)
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
20 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
4,098 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) |
|---|---|---|
| Measurement of Corneal Curvature and Depth of Eye92136 | 1,072 | $48 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 816 | $475 |
| Established Patient Complete Exam of Visual System92014 | 432 | $140 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 378 | $170 |
| Imaging of Retina92134 | 295 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 201 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 295 | 192 |
| Latanoprost | 259 | 97 |
| Ketorolac Tromethamine | 192 | 150 |
| Ofloxacin | 190 | 151 |
| Brimonidine Tartrate | 90 | 32 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 73 | 28 |
| Timolol Maleate | 72 | 22 |
| Dorzolamide Hcl | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$570 across 25 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
- 2006-06-24
- Last updated
- 2011-03-08
Frequently asked questions
- What is Michael Summerfield's NPI number?
- Michael Summerfield's National Provider Identifier (NPI) is 1588690358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Summerfield's specialty?
- Michael Summerfield is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Summerfield located?
- Michael Summerfield's practice location on file with NPPES is 5711 Sarvis Ave, Riverdale, MD 20737-1394.
- What is Michael Summerfield's phone number?
- The practice phone number listed in the NPPES registry for Michael Summerfield is (301) 277-4844.
- Does Michael Summerfield accept Medicare?
- Michael Summerfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Summerfield's NPI active?
- Yes — Michael Summerfield's NPI (1588690358) is active in the NPPES registry as of the last update on 2011-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.