Shannen Allen, MD
NPI 1407876360 · Ophthalmology Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannen Allen, MD is a Ophthalmology Physician provider in Rockville, MD (NPI 1407876360).
Provider details
- NPI number
- 1407876360
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0064522 (MD)
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
19 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
1,819 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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 951 | $141 |
| Photography of the Retina92250 | 202 | $42 |
| Imaging of Optic Nerve92133 | 196 | $37 |
| Exam of Visual Field With Extended Testing92083 | 176 | $71 |
| Exam of the Internal Drainage System of Eye92020 | 175 | $30 |
| New Patient Complete Exam of Visual System92004 | 70 | $166 |
| Imaging of Retina92134 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 188 | 65 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 116 | 37 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 36 | 28 |
| Bimatoprostbrand: Lumigan | 28 | — |
| Brimonidine Tartrate | 26 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 23 | 20 |
| Loteprednol Etabonate | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,364 across 48 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
- 2006-07-20
- Last updated
- 2011-07-07
Frequently asked questions
- What is Shannen Allen's NPI number?
- Shannen Allen's National Provider Identifier (NPI) is 1407876360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannen Allen's specialty?
- Shannen Allen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Shannen Allen located?
- Shannen Allen's practice location on file with NPPES is 15005 Shady Grove Rd., Rockville, MD 20850-6341.
- What is Shannen Allen's phone number?
- The practice phone number listed in the NPPES registry for Shannen Allen is (301) 279-9696.
- Does Shannen Allen accept Medicare?
- Shannen Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannen Allen's NPI active?
- Yes — Shannen Allen's NPI (1407876360) is active in the NPPES registry as of the last update on 2011-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.