Dr. Mark Linwood Simmons, MD
- Medicare services, 2024
- 1,040
- Medicare patients, 2024
- 277
- Part D claims, 2024
- 4,364
- Hospital affiliations
- 1
- Industry payments
- $13
- Practice address
- 2110 Harrisburg Pike, Suite 1, Lancaster, PA 17604
- Practice phone
- Call (717) 397-4254
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Urologic Surgical Center
Surgery Center - Medicare-Certified · Lancaster, Pennsylvania
Find Dr. Simmons' professional email, personal email and mobile number
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Dr. Mark Linwood Simmons is an internist in Lancaster, Pennsylvania
Dr. Simmons practices at The Urologic Surgical Center in Lancaster, Pennsylvania.
Dr. Simmons' NPI, 1619959285, was assigned on November 18, 2005. Dr. Simmons graduated from Pennsylvania State University College of Medicine in 1995. Dr. Simmons holds Pennsylvania license MD064373L.
- NPI
- 1619959285NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608979059
- NPI enumeration date
- November 18, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (717) 397-4254
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Linwood Simmons practices at The Urologic Surgical Center in Lancaster, Pennsylvania
Dr. Simmons' primary practice is The Urologic Surgical Center, at 2110 Harrisburg Pike, Suite 1, Lancaster, PA 17604. The practice phone is (717) 397-4254.
- The Urologic Surgical Center2110 Harrisburg Pike, Suite 1, Lancaster, PA 17604Phone(717) 397-4254
Source: Dmand AI Affiliation Data
Dr. Mark Linwood Simmons is affiliated with 4 sites of care and 1 medical group
Dr. Simmons' primary practice is The Urologic Surgical Center in Lancaster, Pennsylvania. Dr. Simmons is also affiliated with Lancaster General Hospital. The medical group on file is Penn Medicine Lancaster General Health Physicians, Behavioral Health. Dmand AI also links Dr. Simmons to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Linwood Simmons' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simmons practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Urologic Surgical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Linwood Simmons is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Simmons' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Simmons is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Simmons
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Linwood Simmons billed Medicare for 1,040 services in 2024
CMS data shows 1,040 Medicare services from Dr. Simmons across 6 procedure codes in 2024, for 277 Medicare patients. Medicare paid $56,143 for them. Every service was in an office.
Dr. Simmons' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5382024: 4889%
- Other services
- 2023: 1022024: 484375%
- Tests and treatments
- 2023: 982024: 6831%
Dr. Simmons compared with the Pennsylvania median for internists, 2024
- Dr. Simmons
- Pennsylvania median
- Medicare services
- 1,040vs 4172.5 times
- Medicare patients
- 277vs 18550% above
- Part D claims
- 3,660vs 22416.3 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Simmons' 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. Simmons and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Linwood Simmons treated 277 Medicare patients in 2024, average age 78
CMS counts 277 Medicare patients who saw Dr. Simmons in 2024. The largest group is 75 to 84, with 124 patients. 75% of them have high cholesterol, and 64% have high blood pressure. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Simmons' median patient age at 75, with 47% women.
Dr. Simmons' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Simmons' Medicare patients by sex, 2024
- Women13248%
- Men14552%
Chronic conditions among Dr. Simmons' Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis41%
- Chronic kidney disease30%
- Diabetes29%
- Ischemic heart disease26%
- Osteoporosis24%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simmons' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Linwood Simmons wrote 4,364 Medicare Part D claims in 2024
In 2024, Dr. Simmons wrote 4,364 Medicare Part D claims for 503 patients. 90% of them were for generic drugs. CMS names the drug for 3,660 of them, across 72 drugs with 11 or more claims each, at $279,136 in total drug cost. In 2023, CMS named 4,520 claims across 89 drugs.
Dr. Simmons' Part D claims by kind of drug, 2024
- Generic3,943 claims90%
- Brand-name and other421 claims10%
Dr. Simmons' 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.
Drug classes CMS tracks in Dr. Simmons' Part D claims, 2024
- Opioids1%60 of 4,364 claims
- Antibiotics1%35 of 4,364 claims
- Antipsychotics, patients 65 and over0%11 of 4,364 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,5202024: 3,66019%
Drugs named by CMS: 72 in 2024, 89 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
How Dr. Mark Linwood Simmons takes part in Medicare
Dr. Simmons accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark Linwood Simmons received $13 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Simmons from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $13.
Companies that paid Dr. Simmons the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Linwood Simmons graduated from Pennsylvania State University College of Medicine
Dr. Simmons graduated from Pennsylvania State University College of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Linwood Simmons'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 DataDmand AI Org Hierarchy 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) |
| 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. Mark Linwood Simmons
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. Mark Linwood Simmons' NPI number?
Dr. Mark Linwood Simmons' NPI number is 1619959285. It was assigned on November 18, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Linwood Simmons?
Dr. Mark Linwood Simmons is an internist in Lancaster, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark Linwood Simmons practice?
Dr. Simmons practices at 2110 Harrisburg Pike, Suite 1, Lancaster, PA 17604. Dr. Simmons' primary practice is The Urologic Surgical Center in Lancaster, Pennsylvania. Dmand AI also links Dr. Simmons to 1 group practice or clinic and 1 home health agency.
What is Dr. Mark Linwood Simmons' office phone number?
The practice phone on file for Dr. Simmons is (717) 397-4254.
What is Dr. Mark Linwood Simmons' medical license number?
Dr. Simmons holds Pennsylvania license MD064373L.
Which hospitals is Dr. Mark Linwood Simmons affiliated with?
Dr. Simmons is affiliated with Lancaster General Hospital.
What medical group is Dr. Mark Linwood Simmons part of?
Dr. Simmons is linked to Penn Medicine Lancaster General Health Physicians, Behavioral Health.
Does Dr. Mark Linwood Simmons accept Medicare?
Yes. CMS data shows Dr. Simmons billed Medicare for 1,040 services in 2024, and Dr. Simmons accepts Medicare assignment.
How many Medicare patients does Dr. Mark Linwood Simmons see?
CMS counts 277 Medicare patients who saw Dr. Simmons in 2024, with an average age of 78.
What services does Dr. Mark Linwood Simmons bill to Medicare?
In 2024, Dr. Simmons' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0008).
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Where did Dr. Mark Linwood Simmons go to medical school?
Dr. Simmons graduated from Pennsylvania State University College of Medicine in 1995.
What drugs does Dr. Mark Linwood Simmons prescribe most?
In 2024 Medicare Part D data, Dr. Simmons' most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Mark Linwood Simmons received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Simmons from 1 company from 2018 to 2018. The largest total came from Abbott Laboratories.
How long has Dr. Mark Linwood Simmons been practicing?
Dr. Simmons graduated from medical school in 1995, 31 years ago.
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