Holly Gross, M.D.
NPI 1164498598 · Ophthalmology Physician · Frederick, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Gross, M.D. is a Ophthalmology Physician provider in Frederick, MD (NPI 1164498598).
Provider details
- NPI number
- 1164498598
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D47800 (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
20 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
3,855 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 | 1,333 | $130 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 302 | $40 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 295 | $557 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 279 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 259 | $93 |
| Imaging of Retina92134 | 240 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 323 | 102 |
| Prednisolone Acetate | 119 | 71 |
| Timolol Maleate | 111 | 34 |
| Ketorolac Tromethamine | 100 | 59 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 95 | 32 |
| Moxifloxacin Hclbrand: Moxifloxacin | 88 | 58 |
| Cyclosporinebrand: Restasis | 81 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$70 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
- 2006-02-26
- Last updated
- 2011-01-05
Frequently asked questions
- What is Holly Gross's NPI number?
- Holly Gross's National Provider Identifier (NPI) is 1164498598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Gross's specialty?
- Holly Gross is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Holly Gross located?
- Holly Gross's practice location on file with NPPES is 5283 Corporate Dr, Frederick, MD 21703-2877.
- What is Holly Gross's phone number?
- The practice phone number listed in the NPPES registry for Holly Gross is (301) 662-4545.
- Does Holly Gross accept Medicare?
- Holly Gross is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Gross's NPI active?
- Yes — Holly Gross's NPI (1164498598) is active in the NPPES registry as of the last update on 2011-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.