Mark Mannis, M.D.
NPI 1205811510 · Specialist · Sacramento, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Mannis, M.D. is a Specialist provider in Sacramento, CA (NPI 1205811510).
Provider details
- NPI number
- 1205811510
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
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
20 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,121 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 374 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 265 | $67 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 254 | $17 |
| Ct Scan of Cornea92025 | 47 | $20 |
| Ultrasound Scan of Cornea to Determine Thickness76514 | 46 | $8 |
| Photography of Content of Eyes92285 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 122 | 51 |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 51 | 22 |
| Erythromycin Basebrand: Erythromycin | 33 | 12 |
| Fluorometholone | 27 | 12 |
| Difluprednate | 22 | — |
| Ofloxacin | 21 | — |
| Moxifloxacin Hclbrand: Moxifloxacin | 20 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-08
- Last updated
- 2011-12-12
Frequently asked questions
- What is Mark Mannis's NPI number?
- Mark Mannis's National Provider Identifier (NPI) is 1205811510, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mannis's specialty?
- Mark Mannis is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mark Mannis located?
- Mark Mannis's practice location on file with NPPES is 4860 Y St, Sacramento, CA 95817-2307.
- What is Mark Mannis's phone number?
- The practice phone number listed in the NPPES registry for Mark Mannis is (916) 734-6957.
- Does Mark Mannis accept Medicare?
- Mark Mannis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Mannis's NPI active?
- Yes — Mark Mannis's NPI (1205811510) is active in the NPPES registry as of the last update on 2011-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.