Dr. Lacy L. Sommer, MD
- Medicare services, 2024
- 1,518
- Medicare patients, 2024
- 654
- Part D claims, 2024
- 980
- MIPS score, 2024
- 94
- Hospital affiliations
- 1
- Practice address
- 100 Brick Rd, Marlton, NJ 08053
- Practice phone
- Call (856) 596-0111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Heymann, Manders, Green & Sommer
Marlton, New Jersey
Find Dr. Sommer's professional email, personal email and mobile number
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Dr. Lacy L. Sommer is an internist in Marlton, New Jersey
Dr. Sommer practices at Heymann, Manders, Green & Sommer in Marlton, New Jersey.
Dr. Sommer's NPI, 1891089033, was assigned on June 6, 2011. Dr. Sommer graduated from Temple University School of Medicine in 2011. Dr. Sommer holds Pennsylvania license MT199328.
- NPI
- 1891089033NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082935069
- NPI enumeration date
- June 6, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (856) 596-0111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lacy L. Sommer practices at Heymann, Manders, Green & Sommer in Marlton, New Jersey
Dr. Sommer's primary practice is Heymann, Manders, Green & Sommer, at 100 Brick Rd, Marlton, NJ 08053 in Burlington County. The practice phone is (856) 596-0111.
- Heymann, Manders, Green & Sommer100 Brick Rd, Marlton, NJ 08053 · Burlington CountyPhone(856) 596-0111
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lacy L. Sommer is affiliated with 4 sites of care and 2 medical groups
Dr. Sommer's primary practice is Heymann, Manders, Green & Sommer in Marlton, New Jersey. Dr. Sommer is also affiliated with Cooper University Hospital. The medical group on file is Cooper University Physicians. Dmand AI also links Dr. Sommer to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lacy L. Sommer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sommer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Heymann, Manders, Green & Sommer | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lacy L. Sommer is one of 4,226 internists in New Jersey
Internal medicine is Dr. Sommer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sommer is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Sommer
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. Lacy L. Sommer billed Medicare for 1,518 services in 2024
CMS data shows 1,518 Medicare services from Dr. Sommer across 18 procedure codes in 2024, for 654 Medicare patients. Medicare paid $107,180 for them. Every service was in an office.
Dr. Sommer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7922024: 7219%
- Surgery
- 2023: 1,0782024: 67737%
- Tests and treatments
- 2023: 562024: 8348%
- Drugs given in the office
- 2023: 572024: 3735%
Dr. Sommer compared with the New Jersey median for internists, 2024
- Dr. Sommer
- New Jersey median
- Medicare services
- 1,518vs 7232.1 times
- Medicare patients
- 654vs 2312.8 times
- Part D claims
- 787vs 8305% below
Medians across 4,086 internists in New Jersey with Dmand AI profiles that report each measure.
Dr. Sommer'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. Sommer and other internists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lacy L. Sommer treated 654 Medicare patients in 2024, average age 74
CMS counts 654 Medicare patients who saw Dr. Sommer in 2024. The largest group is 65 to 74, with 349 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sommer's median patient age at 67, with 69% women.
Dr. Sommer's Medicare patients by age, 2024
Dr. Sommer's Medicare patients by sex, 2024
- Women46371%
- Men19129%
Chronic conditions among Dr. Sommer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis46%
- Anxiety24%
- Ischemic heart disease22%
- Osteoporosis22%
- Diabetes20%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sommer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women69%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lacy L. Sommer wrote 980 Medicare Part D claims in 2024
In 2024, Dr. Sommer wrote 980 Medicare Part D claims for 334 patients. 85% of them were for generic drugs. CMS names the drug for 787 of them, across 22 drugs with 11 or more claims each, at $584,385 in total drug cost. In 2023, CMS named 888 claims across 20 drugs.
Dr. Sommer's Part D claims by kind of drug, 2024
- Generic836 claims85%
- Brand-name144 claims15%
Dr. Sommer'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.
Drug classes CMS tracks in Dr. Sommer's Part D claims, 2024
- Antibiotics2%22 of 980 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: 8882024: 78711%
Drugs named by CMS: 22 in 2024, 20 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. Lacy L. Sommer scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Sommer for performance year 2024, reported as part of a group. Dr. Sommer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 404 procedures of removal of skin lesions by Dr. Sommer, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Sommer's MIPS scores, performance year 2024
- 94of 100Final score
- 95.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 86of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Sommer ranks in Medicare procedure volume
- Removal of skin lesions
- 84th percentile404 procedures
- Skin biopsy
- 83rd percentile175 procedures
- Removal or shaving of skin growth
- 74th percentile28 procedures
- Melanoma (skin cancer) excision
- 79th percentile27 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Lacy L. Sommer received $1,376 in industry payments from 2016 to 2025
CMS Open Payments shows 64 general payments to Dr. Sommer from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Janssen Pharmaceuticals, Inc paid the most, $225.
General payments to Dr. Sommer by program year, 2016 to 2025
General payments to Dr. Sommer by kind, 2016 to 2025
- Food and beverage$1,20488%
- Education$17212%
Companies that paid Dr. Sommer 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. Lacy L. Sommer graduated from Temple University School of Medicine
Dr. Sommer graduated from Temple University School of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lacy L. Sommer'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Lacy L. Sommer
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. Lacy L. Sommer's NPI number?
Dr. Lacy L. Sommer's NPI number is 1891089033. It was assigned on June 6, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Lacy L. Sommer?
Dr. Lacy L. Sommer is an internist in Marlton, New Jersey. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lacy L. Sommer practice?
Dr. Sommer practices at 100 Brick Rd, Marlton, NJ 08053. Dr. Sommer's primary practice is Heymann, Manders, Green & Sommer in Marlton, New Jersey. Dmand AI also links Dr. Sommer to 2 group practices and clinics and 1 medical group.
What is Dr. Lacy L. Sommer's office phone number?
The practice phone on file for Dr. Sommer is (856) 596-0111.
What is Dr. Lacy L. Sommer's medical license number?
Dr. Sommer holds Pennsylvania license MT199328.
Which hospitals is Dr. Lacy L. Sommer affiliated with?
Dr. Sommer is affiliated with Cooper University Hospital.
What medical group is Dr. Lacy L. Sommer part of?
Dr. Sommer is linked to Cooper University Physicians. Dmand AI links Dr. Sommer to 1 more medical group.
Does Dr. Lacy L. Sommer accept Medicare?
Yes. CMS data shows Dr. Sommer billed Medicare for 1,518 services in 2024, and Dr. Sommer accepts Medicare assignment.
What is Dr. Lacy L. Sommer's MIPS score?
Dr. Sommer's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
How many Medicare patients does Dr. Lacy L. Sommer see?
CMS counts 654 Medicare patients who saw Dr. Sommer in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Lacy L. Sommer bill to Medicare?
In 2024, Dr. Sommer's most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (17003) and surgery: skin and soft tissue (17000).
Where did Dr. Lacy L. Sommer go to medical school?
Dr. Sommer graduated from Temple University School of Medicine in 2011.
What drugs does Dr. Lacy L. Sommer prescribe most?
In 2024 Medicare Part D data, Dr. Sommer's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Clobetasol Propionate.
Has Dr. Lacy L. Sommer received payments from drug or device companies?
CMS Open Payments shows $1,376 in general payments to Dr. Sommer from 22 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Lacy L. Sommer been practicing?
Dr. Sommer graduated from medical school in 2011, 15 years ago.
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