Angiogenesis InhibitorsComorbidityCOVID-19
Dr. Maxwell S. Stem, MD
NPI1093033300PAC ID8224334560
- Medicare services, 2024
- 35,799
- Medicare patients, 2024
- 879
- Part D claims, 2024
- 584
- Publications
- 33
- MIPS score, 2024
- 100
- Practice address
- 220 Grandview Ave Suite 200 Suite 200, Camp Hill, PA 17011-1776
- Practice phone
- Call (717) 761-8688
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pennsylvania Retina Specialists
Eye care practice · Camp Hill, Pennsylvania
Find Dr. Stem's professional email, personal email and mobile number
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Dr. Maxwell S. Stem is an ophthalmologist in Camp Hill, Pennsylvania
Dr. Stem practices at Pennsylvania Retina Specialists in Camp Hill, Pennsylvania.
Dr. Stem's NPI, 1093033300, was assigned on May 11, 2010. Dr. Stem graduated from Pennsylvania State University College of Medicine in 2010. Dr. Stem holds Pennsylvania license MD463002.
NPI and contact details
- NPI
- 1093033300NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224334560
- NPI enumeration date
- May 11, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (717) 761-8688
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maxwell S. Stem practices at Pennsylvania Retina Specialists in Camp Hill, Pennsylvania
Dr. Stem's primary practice is Pennsylvania Retina Specialists, at 220 Grandview Ave Suite 200 Suite 200, Camp Hill, PA 17011-1776. The practice phone is (717) 761-8688.
- Pennsylvania Retina Specialists220 Grandview Ave Suite 200 Suite 200, Camp Hill, PA 17011-1776Phone(717) 761-8688
Source: Dmand AI Affiliation Data
Dr. Maxwell S. Stem is affiliated with 2 sites of care and 1 medical group
Dr. Stem's primary practice is Pennsylvania Retina Specialists in Camp Hill, Pennsylvania. Dr. Stem is also affiliated with Penn State Health Holy Spirit Medical Center. Dmand AI also links Dr. Stem to 1 more medical group, named with a free account.
Pennsylvania Retina SpecialistsPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Maxwell S. Stem's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stem practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pennsylvania Retina Specialists | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maxwell S. Stem is one of 843 ophthalmologists in Pennsylvania
Ophthalmology is Dr. Stem's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Stem is licensed in Pennsylvania.
Specialties and state licenses
- Ophthalmology, PennsylvaniaPrimary
Ophthalmologists near Dr. Stem
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
843ophthalmologists in Pennsylvania
6ophthalmologists in Camp Hill
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Maxwell S. Stem billed Medicare for 35,799 services in 2024
CMS data shows 35,799 Medicare services from Dr. Stem across 17 procedure codes in 2024, for 879 Medicare patients. Medicare paid $2,774,582 for them.
Medicare services, 202435,799
Medicare patients879
Paid by Medicare$2.8M
Procedure codes17
Dr. Stem's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 27,5652024: 30,0849%
- Tests and treatments
- 2023: 2,8162024: 2,6875%
- Surgery
- 2023: 1,9342024: 1,7888%
- Office and hospital visits
- 2023: 1,2872024: 1,2404%
- Imaging
- 2023: 162024: 0100%
Where Dr. Stem's Medicare services took place, 2024
- In an office35,782100%
- In a facility170%
Dr. Stem compared with the Pennsylvania median for ophthalmologists, 2024
- Dr. Stem
- Pennsylvania median
- Medicare services
- 35,799vs 1,33626.8 times
- Medicare patients
- 879vs 52468% above
- Part D claims
- 545vs 62012% below
Medians across 854 ophthalmologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Stem's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stem and other ophthalmologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maxwell S. Stem treated 879 Medicare patients in 2024, average age 79
CMS counts 879 Medicare patients who saw Dr. Stem in 2024. The largest group is 65 to 74, with 298 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Stem's median patient age at 73, with 50% women.
Medicare patients, 2024879
Average age79
Average risk score1.51
Also on Medicaid6%
Dr. Stem's Medicare patients by age, 2024
Dr. Stem's Medicare patients by sex, 2024
- Women51158%
- Men36842%
Chronic conditions among Dr. Stem's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Chronic kidney disease35%
- Diabetes34%
- Ischemic heart disease29%
- Anxiety23%
- Atrial fibrillation23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stem's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maxwell S. Stem wrote 584 Medicare Part D claims in 2024
In 2024, Dr. Stem wrote 584 Medicare Part D claims for 184 patients. 68% of them were for generic drugs. CMS names the drug for 545 of them, across 13 drugs with 11 or more claims each, at $165,696 in total drug cost. In 2023, CMS named 454 claims across 11 drugs.
Part D claims, 2024584
Drugs named by CMS13
Total drug cost$165,696
Part D patients184
Dr. Stem's Part D claims by kind of drug, 2024
- Generic399 claims68%
- Brand-name185 claims32%
Dr. Stem's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4542024: 54520%
Drugs named by CMS: 13 in 2024, 11 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Maxwell S. Stem scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Stem for performance year 2024, reported as part of a group. Dr. Stem accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Stem's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Maxwell S. Stem has 33 publications on record
Dmand AI links 33 papers to Dr. Stem, published from 2011 to 2021. 2017 was the busiest year, with 5. The most frequent topics are Visual Acuity, Lens Implantation, Intraocular and Cataract Extraction. Dr. Stem has published most often in JAMA Ophthalmol. Dr. Stem's most frequent co-authors are Lisa Jane Faia, MD, Thomas W. Gardner, MD and Tarek Shawky Hassan, MD.
Papers33
Years published2011 to 2021
Dr. Stem's papers by year, 2012 to 2021
Topics Dr. Stem writes about most
- Visual Acuity
- Lens Implantation, Intraocular
- Cataract Extraction
- Contrast Sensitivity
- Diabetic Retinopathy
- Fluorescein Angiography
- Intravitreal Injections
- Laser Coagulation
Dr. Stem's most frequent co-authors
- Lisa Jane Faia, MD7 shared papers
- Thomas W. Gardner, MD6 shared papers
- Tarek Shawky Hassan, MD6 shared papers
Recent publications by Dr. Stem
See who Dr. Stem researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stem works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Maxwell S. Stem received $13,556 in industry payments from 2016 to 2025
CMS Open Payments shows 97 general payments to Dr. Stem from 16 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 44% of the total. Genentech, Inc. paid the most, $7,638.
General payments to Dr. Stem by program year, 2016 to 2025
General payments to Dr. Stem by kind, 2016 to 2025
$13.6Kin total
- Consulting fees$5,94044%
- Food and beverage$4,58234%
- Travel and lodging$3,03422%
Companies that paid Dr. Stem the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maxwell S. Stem graduated from Pennsylvania State University College of Medicine
Dr. Stem graduated from Pennsylvania State University College of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maxwell S. Stem's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Maxwell S. Stem
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Maxwell S. Stem's NPI number?
Dr. Maxwell S. Stem's NPI number is 1093033300. It was assigned on May 11, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Maxwell S. Stem?
Dr. Maxwell S. Stem is an ophthalmologist in Camp Hill, Pennsylvania. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Maxwell S. Stem practice?
Dr. Stem practices at 220 Grandview Ave Suite 200 Suite 200, Camp Hill, PA 17011-1776. Dr. Stem's primary practice is Pennsylvania Retina Specialists in Camp Hill, Pennsylvania. Dmand AI also links Dr. Stem to 1 medical group.
What is Dr. Maxwell S. Stem's office phone number?
The practice phone on file for Dr. Stem is (717) 761-8688.
What is Dr. Maxwell S. Stem's medical license number?
Dr. Stem holds Pennsylvania license MD463002.
Which hospitals is Dr. Maxwell S. Stem affiliated with?
Dr. Stem is affiliated with Penn State Health Holy Spirit Medical Center.
Does Dr. Maxwell S. Stem accept Medicare?
Yes. CMS data shows Dr. Stem billed Medicare for 35,799 services in 2024, and Dr. Stem accepts Medicare assignment.
What is Dr. Maxwell S. Stem's MIPS score?
Dr. Stem's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Maxwell S. Stem see?
CMS counts 879 Medicare patients who saw Dr. Stem in 2024, with an average age of 79.
What services does Dr. Maxwell S. Stem bill to Medicare?
In 2024, Dr. Stem's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and injected or infused drug (J0178).
Show 6 more questionsShow fewer questions
Where did Dr. Maxwell S. Stem go to medical school?
Dr. Stem graduated from Pennsylvania State University College of Medicine in 2010.
What drugs does Dr. Maxwell S. Stem prescribe most?
In 2024 Medicare Part D data, Dr. Stem's most prescribed drugs by claims were Neomycin-Polymyxin-Dexameth, Dorzolamide-Timolol and Ketorolac Tromethamine.
Has Dr. Maxwell S. Stem received payments from drug or device companies?
CMS Open Payments shows $13,556 in general payments to Dr. Stem from 16 companies from 2016 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Maxwell S. Stem been practicing?
Dr. Stem graduated from medical school in 2010, 16 years ago.
Does Dr. Maxwell S. Stem do research?
Dmand AI links 33 publications to Dr. Stem, published from 2011 to 2021.
Who does Dr. Maxwell S. Stem publish with?
Dr. Stem's most frequent co-authors are Lisa Jane Faia, MD (7 shared papers), Thomas W. Gardner, MD (6 shared papers) and Tarek Shawky Hassan, MD (6 shared papers).
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