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Dr. Thomas G. Zorc, MD
NPI1184755407PAC ID7719065291
- Medicare services, 2024
- 1,593
- Medicare patients, 2024
- 198
- Part D claims, 2024
- 20
- Publications
- 1
- Industry payments
- $742
- Practice address
- 5530 Wisconsin Ave, Chevy Chase, MD 20815
- Practice phone
- Call (301) 656-8008
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chevy Chase Surgical Associates
Chevy Chase, Maryland
Find Dr. Zorc'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. Thomas G. Zorc is a general surgeon in Chevy Chase, Maryland
Dr. Zorc practices at Chevy Chase Surgical Associates in Chevy Chase, Maryland.
Dr. Zorc's NPI, 1184755407, was assigned on March 8, 2007. Dr. Zorc graduated from Georgetown University School of Medicine in 1985. Dr. Zorc holds Maryland license D35110.
NPI and contact details
- NPI
- 1184755407NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719065291
- NPI enumeration date
- March 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 656-8008
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas G. Zorc practices at Chevy Chase Surgical Associates in Chevy Chase, Maryland
Dr. Zorc's primary practice is Chevy Chase Surgical Associates, at 5530 Wisconsin Ave, Chevy Chase, MD 20815 in Montgomery County. The practice phone is (301) 656-8008.
- Chevy Chase Surgical Associates5530 Wisconsin Ave, Chevy Chase, MD 20815 · Montgomery CountyPhone(301) 656-8008
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas G. Zorc is affiliated with 2 sites of care and 1 medical group
Dr. Zorc's primary practice is Chevy Chase Surgical Associates in Chevy Chase, Maryland. The medical group on file is Chevy Chase Surgical Associates, P.C. Dmand AI also links Dr. Zorc to 1 more ambulatory surgery center, named with a free account.
Chevy Chase Surgical AssociatesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas G. Zorc's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zorc practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chevy Chase Surgical Associates | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas G. Zorc is one of 532 general surgeons in Maryland
Surgery is Dr. Zorc's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Zorc is licensed in Maryland.
Specialties and state licenses
- Surgery, MarylandPrimary
General surgeons near Dr. Zorc
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. Thomas G. Zorc billed Medicare for 1,593 services in 2024
CMS data shows 1,593 Medicare services from Dr. Zorc across 23 procedure codes in 2024, for 198 Medicare patients. Medicare paid $262,376 for them.
Medicare services, 20241,593
Medicare patients198
Paid by Medicare$262,376
Procedure codes23
Dr. Zorc's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 5652024: 5762%
- Office and hospital visits
- 2023: 5262024: 5474%
- Surgery
- 2023: 2892024: 3169%
- Tests and treatments
- 2023: 262024: 97273%
- Other services
- 2023: 712024: 5720%
Where Dr. Zorc's Medicare services took place, 2024
- In an office1,37586%
- In a facility21814%
Dr. Zorc compared with the Maryland median for general surgeons, 2024
- Dr. Zorc
- Maryland median
- Medicare services
- 1,593vs 2306.9 times
- Medicare patients
- 198vs 16222% above
- Part D claims
- 13vs 2650% below
Medians across 485 general surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Zorc'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.
Need commercial claims for Dr. Zorc?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zorc and other general surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas G. Zorc treated 198 Medicare patients in 2024, average age 78
CMS counts 198 Medicare patients who saw Dr. Zorc in 2024. The largest group is 75 to 84, with 98 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zorc's median patient age at 69, with 51% women.
Medicare patients, 2024198
Average age78
Average risk score1.00
Dr. Zorc's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zorc's Medicare patients by sex, 2024
- Women9950%
- Men9950%
Chronic conditions among Dr. Zorc's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis45%
- Cancer36%
- Ischemic heart disease29%
- Anxiety21%
- Diabetes19%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zorc's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas G. Zorc wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Zorc wrote 20 Medicare Part D claims for 17 patients. 95% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $308 in total drug cost.
Part D claims, 202420
Drugs named by CMS1
Total drug cost$308
Part D patients17
Dr. Zorc's Part D claims by kind of drug, 2024
- Generic19 claims95%
- Brand-name and other1 claims5%
Dr. Zorc's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Thomas G. Zorc ranks in the 98th percentile for hernia repair - groin (open) in Medicare
Dr. Zorc accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 32 procedures of hernia repair - groin (open) by Dr. Zorc, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Zorc ranks in Medicare procedure volume
- Removal of skin lesions
- 71st percentile47 procedures
- Removal of tissue
- 77th percentile44 procedures
- Hernia repair - groin (open)
- 98th percentile32 procedures
- Melanoma (skin cancer) excision
- 69th percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Mastectomy: 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. Thomas G. Zorc has 1 publication on record
Dmand AI links 1 paper to Dr. Zorc in 2021.
Papers1
Recent publications by Dr. Zorc
See who Dr. Zorc researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zorc 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. Thomas G. Zorc received $742 in industry payments from 2016 to 2025
CMS Open Payments shows 7 general payments to Dr. Zorc from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Aerin Medical Inc. paid the most, $144.
General payments to Dr. Zorc by program year, 2016 to 2025
Companies that paid Dr. Zorc 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. Thomas G. Zorc graduated from Georgetown University School of Medicine
Dr. Zorc graduated from Georgetown University School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas G. Zorc'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 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)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. Thomas G. Zorc
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. Thomas G. Zorc's NPI number?
Dr. Thomas G. Zorc's NPI number is 1184755407. It was assigned on March 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas G. Zorc?
Dr. Thomas G. Zorc is a general surgeon in Chevy Chase, Maryland. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Thomas G. Zorc practice?
Dr. Zorc practices at 5530 Wisconsin Ave, Chevy Chase, MD 20815. Dr. Zorc's primary practice is Chevy Chase Surgical Associates in Chevy Chase, Maryland. Dmand AI also links Dr. Zorc to 1 ambulatory surgery center.
What is Dr. Thomas G. Zorc's office phone number?
The practice phone on file for Dr. Zorc is (301) 656-8008.
What is Dr. Thomas G. Zorc's medical license number?
Dr. Zorc holds Maryland license D35110.
What medical group is Dr. Thomas G. Zorc part of?
Dr. Zorc is linked to Chevy Chase Surgical Associates, P.C.
Does Dr. Thomas G. Zorc accept Medicare?
Yes. CMS data shows Dr. Zorc billed Medicare for 1,593 services in 2024, and Dr. Zorc accepts Medicare assignment.
How many Medicare patients does Dr. Thomas G. Zorc see?
CMS counts 198 Medicare patients who saw Dr. Zorc in 2024, with an average age of 78.
What services does Dr. Thomas G. Zorc bill to Medicare?
In 2024, Dr. Zorc's most billed Medicare services were ultrasound (76705), office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. Thomas G. Zorc go to medical school?
Dr. Zorc graduated from Georgetown University School of Medicine in 1985.
Show 4 more questionsShow fewer questions
What drugs does Dr. Thomas G. Zorc prescribe most?
In 2019 Medicare Part D data, Dr. Zorc's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass.
Has Dr. Thomas G. Zorc received payments from drug or device companies?
CMS Open Payments shows $742 in general payments to Dr. Zorc from 7 companies from 2016 to 2025. The largest total came from Aerin Medical Inc.
How long has Dr. Thomas G. Zorc been practicing?
Dr. Zorc graduated from medical school in 1985, 41 years ago.
Does Dr. Thomas G. Zorc do research?
Dmand AI links 1 publication to Dr. Zorc.
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