Michael Mapp, M.D.
NPI 1235230228 · Ophthalmology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Mapp, M.D. is a Ophthalmology Physician provider in Houston, TX (NPI 1235230228).
Provider details
- NPI number
- 1235230228
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- K7331 (TX)
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
1,758 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 Problem Focused Exam of Visual System92012 | 399 | $80 |
| Established Patient Complete Exam of Visual System92014 | 253 | $114 |
| Imaging of Optic Nerve92133 | 148 | $32 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 131 | $119 |
| Photography of the Retina92250 | 113 | $31 |
| Exam of Visual Field With Extended Testing92083 | 103 | $57 |
| Measurement of Corneal Curvature and Depth of Eye |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 888 | 308 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 524 | 140 |
| Prednisolone Acetate | 469 | 342 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 346 | 86 |
| Dorzolamide Hcl | 276 | 88 |
| Ketorolac Tromethamine | 250 | 192 |
| Gentamicin Sulfate | 241 | 174 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,101 across 33 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
- 2006-09-25
- Last updated
- 2008-03-24
Frequently asked questions
- What is Michael Mapp's NPI number?
- Michael Mapp's National Provider Identifier (NPI) is 1235230228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mapp's specialty?
- Michael Mapp is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mapp located?
- Michael Mapp's practice location on file with NPPES is 2000 Crawford St, Houston, TX 77002-9000.
- What is Michael Mapp's phone number?
- The practice phone number listed in the NPPES registry for Michael Mapp is (713) 651-9323.
- Does Michael Mapp accept Medicare?
- Michael Mapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Mapp's NPI active?
- Yes — Michael Mapp's NPI (1235230228) is active in the NPPES registry as of the last update on 2008-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.