Fredrick Isaacs, M.D., P.C., F.A.C.S.
NPI 1588772594 · Specialist · Silver Spring, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fredrick Isaacs, M.D., P.C., F.A.C.S. is a Specialist provider in Silver Spring, MD (NPI 1588772594).
Provider details
- NPI number
- 1588772594
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D., P.C., F.A.C.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0054918 (MD)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
5,533 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Imaging of Retina92134 | 1,087 | $48 |
| Established Patient Problem Focused Exam of Visual System92012 | 771 | $106 |
| Ultrasound Scan of Cornea to Determine Thickness76514 | 764 | $13 |
| Exam of Visual Field With Extended Testing92083 | 568 | $75 |
| Established Patient Complete Exam of Visual System92014 | 545 | $149 |
| Imaging of Optic Nerve92133 | 532 | $43 |
| Photography of the Retina92250 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 338 | 101 |
| Timolol Maleate | 167 | 51 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 149 | 48 |
| Erythromycin Basebrand: Erythromycin | 102 | 75 |
| Brimonidine Tartrate | 93 | 28 |
| Doxycycline Monohydrate | 77 | 44 |
| Latanoprostene Bunodbrand: Vyzulta | 42 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-29
- Last updated
- 2008-03-04
Frequently asked questions
- What is Fredrick Isaacs's NPI number?
- Fredrick Isaacs's National Provider Identifier (NPI) is 1588772594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fredrick Isaacs's specialty?
- Fredrick Isaacs is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Fredrick Isaacs located?
- Fredrick Isaacs's practice location on file with NPPES is 3801 International Dr, Silver Spring, MD 20906-1550.
- What is Fredrick Isaacs's phone number?
- The practice phone number listed in the NPPES registry for Fredrick Isaacs is (301) 598-8500.
- Does Fredrick Isaacs accept Medicare?
- Fredrick Isaacs is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fredrick Isaacs's NPI active?
- Yes — Fredrick Isaacs's NPI (1588772594) is active in the NPPES registry as of the last update on 2008-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.