Dr. Melissa Ann Lazar, MD
- Medicare services, 2024
- 281
- Medicare patients, 2024
- 197
- Part D claims, 2024
- 41
- Publications
- 13
- Hospital affiliations
- 2
- Practice address
- 1100-4 Walnut St, Philadelphia, PA 19107
- Practice phone
- Call (215) 955-0800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jefferson University Physician
Philadelphia, Pennsylvania
Find Dr. Lazar's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Melissa Ann Lazar is a general surgeon in Philadelphia, Pennsylvania
Dr. Lazar practices at Jefferson University Physician in Philadelphia, Pennsylvania.
Dr. Lazar's NPI, 1437318763, was assigned on June 2, 2008. Dr. Lazar graduated from Jefferson Medical College of Thomas Jefferson University in 2006. Dr. Lazar holds Pennsylvania license MD439577.
- NPI
- 1437318763NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234394339
- NPI enumeration date
- June 2, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (215) 955-0800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Melissa Ann Lazar practices at Jefferson University Physician in Philadelphia, Pennsylvania
Dr. Lazar's primary practice is Jefferson University Physician, at 1100-4 Walnut St, Philadelphia, PA 19107 in Philadelphia County. The practice phone is (215) 955-0800.
- Jefferson University Physician1100-4 Walnut St, Philadelphia, PA 19107 · Philadelphia CountyPhone(215) 955-0800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Melissa Ann Lazar is affiliated with 4 sites of care and 1 medical group
Dr. Lazar's primary practice is Jefferson University Physician in Philadelphia, Pennsylvania. Dr. Lazar is also affiliated with Thomas Jefferson University Hospital. The medical group on file is Jefferson University Physicians. Dmand AI also links Dr. Lazar to 1 more hospital and 1 group practice or clinic, 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. Melissa Ann Lazar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lazar practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jefferson University Physician | 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. Melissa Ann Lazar is one of 1,398 general surgeons in Pennsylvania
Surgery is Dr. Lazar's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lazar is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Dr. Lazar
Counts of general surgeons 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. Melissa Ann Lazar billed Medicare for 281 services in 2024
CMS data shows 281 Medicare services from Dr. Lazar across 7 procedure codes in 2024, for 197 Medicare patients. Medicare paid $29,375 for them.
Dr. Lazar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2172024: 19311%
- Surgery
- 2023: 442024: 6036%
- Other services
- 2023: 02024: 28
Where Dr. Lazar's Medicare services took place, 2024
- In an office15555%
- In a facility12645%
Dr. Lazar compared with the Pennsylvania median for general surgeons, 2024
- Dr. Lazar
- Pennsylvania median
- Medicare services
- 281vs 15878% above
- Medicare patients
- 197vs 12755% above
- Part D claims
- 15vs 2948% below
Medians across 1,213 general surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Lazar'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. Lazar and other general surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Melissa Ann Lazar treated 197 Medicare patients in 2024, average age 73
CMS counts 197 Medicare patients who saw Dr. Lazar in 2024. The largest group is 65 to 74, with 112 patients. 75% of them have cancer, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lazar's median patient age at 60, with 98% women.
Dr. Lazar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Lazar's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure69%
- Arthritis42%
- Osteoporosis36%
- Anxiety23%
- Diabetes18%
- Ischemic heart disease17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lazar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women98%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Melissa Ann Lazar wrote 41 Medicare Part D claims in 2024
In 2024, Dr. Lazar wrote 41 Medicare Part D claims for 29 patients. 100% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $118 in total drug cost. In 2022, CMS named 12 claims across 1 drug.
Dr. Lazar'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. Lazar's Part D claims, 2024
- Antibiotics34%14 of 41 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 122024: 1525%
Drugs named by CMS: 1 in 2024, 1 in 2022.
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. Melissa Ann Lazar ranks in the 95th percentile for mastectomy in Medicare
Dr. Lazar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lazar as offering telehealth. CMS counts 51 procedures of mastectomy by Dr. Lazar, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Lazar ranks in Medicare procedure volume
- Mastectomy
- 95th percentile51 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Melissa Ann Lazar has 13 publications on record
Dmand AI links 13 papers to Dr. Lazar, published from 2017 to 2024. 2020 was the busiest year, with 4. The most frequent topics are Breast Neoplasms, Mastectomy, Segmental and Breast. Dr. Lazar has published most often in Breast J. Dr. Lazar's most frequent co-authors are Alliric I. Willis, MD, Kristin L. Brill, MD and Anees B. Chagpar, MD.
Dr. Lazar's papers by year, 2017 to 2024
Topics Dr. Lazar writes about most
- Breast Neoplasms
- Mastectomy, Segmental
- Breast
- Sentinel Lymph Node
- Sentinel Lymph Node Biopsy
- Brachytherapy
- Carcinoma, Ductal, Breast
- Carcinoma, Intraductal, Noninfiltrating
Dr. Lazar's most frequent co-authors
- Alliric I. Willis, MD7 shared papers
- Kristin L. Brill, MD3 shared papers
- Anees B. Chagpar, MD3 shared papers
Recent publications by Dr. Lazar
Ultrasound Med Biol
See who Dr. Lazar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lazar works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Melissa Ann Lazar received $482 in industry payments from 2017 to 2023
CMS Open Payments shows 7 general payments to Dr. Lazar from 5 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Merit Medical Systems Inc paid the most, $184.
General payments to Dr. Lazar by program year, 2017 to 2023
Companies that paid Dr. Lazar the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Melissa Ann Lazar graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Lazar graduated from Jefferson Medical College of Thomas Jefferson University in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Melissa Ann Lazar'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)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. Melissa Ann Lazar
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. Melissa Ann Lazar's NPI number?
Dr. Melissa Ann Lazar's NPI number is 1437318763. It was assigned on June 2, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Melissa Ann Lazar?
Dr. Melissa Ann Lazar is a general surgeon in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Melissa Ann Lazar practice?
Dr. Lazar practices at 1100-4 Walnut St, Philadelphia, PA 19107. Dr. Lazar's primary practice is Jefferson University Physician in Philadelphia, Pennsylvania. Dmand AI also links Dr. Lazar to 1 hospital and 1 group practice or clinic.
What is Dr. Melissa Ann Lazar's office phone number?
The practice phone on file for Dr. Lazar is (215) 955-0800.
What is Dr. Melissa Ann Lazar's medical license number?
Dr. Lazar holds Pennsylvania license MD439577.
Which hospitals is Dr. Melissa Ann Lazar affiliated with?
Dr. Lazar is affiliated with Thomas Jefferson University Hospital. Dmand AI links Dr. Lazar to 1 more hospital.
What medical group is Dr. Melissa Ann Lazar part of?
Dr. Lazar is linked to Jefferson University Physicians.
Does Dr. Melissa Ann Lazar accept Medicare?
Yes. CMS data shows Dr. Lazar billed Medicare for 281 services in 2024, and Dr. Lazar accepts Medicare assignment.
Does Dr. Melissa Ann Lazar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lazar as offering telehealth services.
How many Medicare patients does Dr. Melissa Ann Lazar see?
CMS counts 197 Medicare patients who saw Dr. Lazar in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Melissa Ann Lazar bill to Medicare?
In 2024, Dr. Lazar's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99212) and medicare service (G2211).
Where did Dr. Melissa Ann Lazar go to medical school?
Dr. Lazar graduated from Jefferson Medical College of Thomas Jefferson University in 2006.
What drugs does Dr. Melissa Ann Lazar prescribe most?
In 2024 Medicare Part D data, Dr. Lazar's most prescribed drugs by claims were Nystatin.
Has Dr. Melissa Ann Lazar received payments from drug or device companies?
CMS Open Payments shows $482 in general payments to Dr. Lazar from 5 companies from 2017 to 2023. The largest total came from Merit Medical Systems Inc.
How long has Dr. Melissa Ann Lazar been practicing?
Dr. Lazar graduated from medical school in 2006, 20 years ago.
Does Dr. Melissa Ann Lazar do research?
Dmand AI links 13 publications to Dr. Lazar, published from 2017 to 2024.
Who does Dr. Melissa Ann Lazar publish with?
Dr. Lazar's most frequent co-authors are Alliric I. Willis, MD (7 shared papers), Kristin L. Brill, MD (3 shared papers) and Anees B. Chagpar, MD (3 shared papers).
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