Maxwell Stem, M.D.
NPI 1093033300 · Ophthalmology Physician · Camp Hill, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maxwell Stem, M.D. is a Ophthalmology Physician provider in Camp Hill, PA (NPI 1093033300).
Provider details
- NPI number
- 1093033300
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD463002 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,829 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) |
|---|---|---|
| Imaging of Retina92134 | 2,146 | $40 |
| Injection of Drug Into Eye67028 | 1,756 | $115 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 987 | $91 |
| Photography of the Retina92250 | 256 | $36 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 179 | $124 |
| Established Patient Complete Exam of Visual System92014 | 161 | $124 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 106 | 75 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 67 | 29 |
| Ketorolac Tromethamine | 63 | 19 |
| Prednisolone Acetate | 57 | 28 |
| Latanoprost | 53 | 21 |
| Afliberceptbrand: Eylea | 52 | 14 |
| Difluprednate | 33 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$350 across 7 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
Additional practice locations (4)
- 1249 Cocoa Ave Ste 104Hershey, PA 17033-3700Phone: (717) 533-3937
- 2170 Noll Dr Ste 400Lancaster, PA 17603-7609Phone: (717) 205-4020
- 2525 Green Tech Dr Ste aState College, PA 16803-2302Phone: (800) 633-8688
- 1600 6th Ave Ste 112York, PA 17403-2627Phone: (717) 846-1718
Registry dates
- Enumerated
- 2010-05-11
- Last updated
- 2022-09-06
- Certified
- 2022-09-06
Frequently asked questions
- What is Maxwell Stem's NPI number?
- Maxwell Stem's National Provider Identifier (NPI) is 1093033300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maxwell Stem's specialty?
- Maxwell Stem is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Maxwell Stem located?
- Maxwell Stem's practice location on file with NPPES is 220 Grandview Ave Ste 200, Camp Hill, PA 17011-1776.
- What is Maxwell Stem's phone number?
- The practice phone number listed in the NPPES registry for Maxwell Stem is (717) 761-8688.
- Does Maxwell Stem accept Medicare?
- Maxwell Stem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maxwell Stem's NPI active?
- Yes — Maxwell Stem's NPI (1093033300) is active in the NPPES registry as of the last update on 2022-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.