Zainab Muhanna, OD
NPI 1881221596 · Optometrist · Houston, TX
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zainab Muhanna, OD is a Optometrist provider in Houston, TX (NPI 1881221596).
Provider details
- NPI number
- 1881221596
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 9914TG (TX)
Specialties & taxonomies
Eye and Vision Services Providers
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
1,233 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 Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 363 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 185 | $128 |
| Imaging of Optic Nerve92133 | 121 | $34 |
| Exam of Visual Field With Extended Testing92083 | 103 | $63 |
| Imaging of Retina92134 | 94 | $39 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 93 | $169 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 93 | 40 |
| Perfluorohexyloctane/Pfbrand: Miebo | 47 | 26 |
| Erythromycin Basebrand: Erythromycin | 35 | 28 |
| Cyclosporinebrand: Restasis | 26 | 15 |
| Timolol Maleate | 22 | — |
| Moxifloxacin Hclbrand: Moxifloxacin | 21 | 19 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$164 across 3 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
- 2020-03-24
- Last updated
- 2023-08-08
- Certified
- 2023-08-08
Frequently asked questions
- What is Zainab Muhanna's NPI number?
- Zainab Muhanna's National Provider Identifier (NPI) is 1881221596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zainab Muhanna's specialty?
- Zainab Muhanna is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Zainab Muhanna located?
- Zainab Muhanna's practice location on file with NPPES is 6560 Fannin St Ste 450, Houston, TX 77030-2735.
- What is Zainab Muhanna's phone number?
- The practice phone number listed in the NPPES registry for Zainab Muhanna is (713) 441-8843.
- Does Zainab Muhanna accept Medicare?
- Zainab Muhanna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zainab Muhanna's NPI active?
- Yes — Zainab Muhanna's NPI (1881221596) is active in the NPPES registry as of the last update on 2023-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.