NPPES file of Aug 9, 2026

Maxwell Stem, M.D.

Ophthalmology Physician · Camp Hill, PA

Maxwell Stem, M.D. is an ophthalmology physician with a practice address in Camp Hill, Pennsylvania, and NPI 1093033300, issued on May 11, 2010. Check the license (Pennsylvania MD463002, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093033300
Name
Maxwell Stem
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
MD463002 PA
Self-reported in NPPES; status is on the state search
Practice location
220 Grandview Ave Ste 200, Camp Hill, PA 17011
Phone
(717) 761-8688
Enumerated
May 11, 2010
Record last updated
Sep 6, 2022
Medicare enrollment
Enrolled (PECOS I20180521001261); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 220 Grandview Ave Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tahsin Khundkar, M.D.Ophthalmology Physician1811347859

Verify Maxwell Stem in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD463002
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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62% fewer Medicare Part D claims than the average ophthalmology physician in 2024

584 Medicare Part D claims for 184 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Maxwell Stem584
  2. Specialty average1,518

Most prescribed

  1. Neomycin-Polymyxin-Dexameth106 claims
  2. Dorzolamide-Timolol67 claims
  3. Ketorolac Tromethamine63 claims
  4. Prednisolone Acetate57 claims
  5. Latanoprost53 claims
  6. Eylea52 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $350.42

7 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maxwell Stem$350.42
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Pennsylvania Retina Specialists PCCamp Hill, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maxwell Stem among 1,088 ophthalmology physician records in Pennsylvania

Maxwell Stem, M.D. is one of 1,088 ophthalmology physician records with a practice address in Pennsylvania. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 72% of them.

  • NPI issued2010 · 72% of these records are older, 26% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2010 · median 2000 among the 734 with a school on file
  • Record last updated2022 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Pennsylvania

There are 1,088 ophthalmology physician records in Pennsylvania.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Paul Baker, M.D.Camp Hill, PA 170111841417441
  2. Michael Banach, MDCamp Hill, PA 170111710972310
  3. John Dailey, M.D.Camp Hill, PA 170111255393146
  4. Todd Harvey, M.D.Camp Hill, PA 170111245292143
  5. Lawrence Ho, M.D.Camp Hill, PA 170111609078427
  6. Tahsin Khundkar, M.D.Camp Hill, PA 170111811347859
  7. Richard Lanning, MDCamp Hill, PA 170111275528283
  8. Steven Truong, M.D.Camp Hill, PA 170111720063688

Common questions

What is Maxwell Stem, M.D.'s NPI number?

Maxwell Stem, M.D.'s National Provider Identifier (NPI) is 1093033300, issued on May 11, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Maxwell Stem, M.D. located?

The NPPES record lists a practice address at 220 Grandview Ave Ste 200, Camp Hill, PA, 17011. Phone: (717) 761-8688. Providers update this record themselves, so call before visiting.

How can I verify Maxwell Stem, M.D.'s license?

NPPES lists Pennsylvania license number MD463002, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Maxwell Stem, M.D. prescribe under Medicare Part D?

In 2024, Maxwell Stem, M.D. had 584 Medicare Part D claims for 184 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Maxwell Stem, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.