Matthew Giegengack, MD
NPI 1437167350 · Ophthalmology Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Giegengack, MD is a Ophthalmology Physician provider in Winston Salem, NC (NPI 1437167350).
Provider details
- NPI number
- 1437167350
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2007-01271 (NC)
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
860 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 | 203 | $62 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 192 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 125 | $120 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 97 | $488 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 94 | $90 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 689 | 301 |
| Cyclosporinebrand: Restasis | 110 | 33 |
| Moxifloxacin Hclbrand: Moxifloxacin | 105 | 65 |
| Valacyclovir Hclbrand: Valacyclovir | 97 | 33 |
| Ketorolac Tromethamine | 63 | 48 |
| Timolol Maleate | 58 | 23 |
| Doxycycline Monohydrate | 55 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$196 across 5 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
- 2006-08-04
- Last updated
- 2010-08-23
Frequently asked questions
- What is Matthew Giegengack's NPI number?
- Matthew Giegengack's National Provider Identifier (NPI) is 1437167350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Giegengack's specialty?
- Matthew Giegengack is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Giegengack located?
- Matthew Giegengack's practice location on file with NPPES is Medical Center Blvd, Winston Salem, NC 27157-0001.
- What is Matthew Giegengack's phone number?
- The practice phone number listed in the NPPES registry for Matthew Giegengack is (336) 716-2255.
- Does Matthew Giegengack accept Medicare?
- Matthew Giegengack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Giegengack's NPI active?
- Yes — Matthew Giegengack's NPI (1437167350) is active in the NPPES registry as of the last update on 2010-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.