Am J Orthop (Belle Mead NJ)
Anterior Cruciate Ligament ReconstructionKnee InjuriesKnee Joint
Dr. Chad C. Zooker, MD
NPI1306027263PAC ID1355510389
- Medicare services, 2024
- 4,391
- Medicare patients, 2024
- 462
- Part D claims, 2024
- 108
- Publications
- 1
- Industry payments
- $4,682
- Practice address
- 2700 Quarry Lake Drive, Suite 100, Baltimore, MD 21209
- Practice phone
- Call (410) 377-8900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greenspring Surgery Center at Quarry Lake
Surgery Center - Medicare-Certified · Baltimore, Maryland
Find Dr. Zooker's professional email, personal email and mobile number
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Dr. Chad C. Zooker is an orthopedic surgeon in Baltimore, Maryland
Dr. Zooker practices at Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland.
Dr. Zooker's NPI, 1306027263, was assigned on November 20, 2007. Dr. Zooker graduated from University of Maryland School of Medicine in 2004. Dr. Zooker holds Maryland license D72129.
NPI and contact details
- NPI
- 1306027263NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355510389
- NPI enumeration date
- November 20, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 377-8900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chad C. Zooker practices at Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland
Dr. Zooker's primary practice is Greenspring Surgery Center at Quarry Lake, at 2700 Quarry Lake Drive, Suite 100, Baltimore, MD 21209. The practice phone is (410) 377-8900.
- Greenspring Surgery Center at Quarry Lake2700 Quarry Lake Drive, Suite 100, Baltimore, MD 21209Phone(410) 377-8900
Source: Dmand AI Affiliation Data
Dr. Chad C. Zooker is affiliated with 3 sites of care and 2 medical groups
Dr. Zooker's primary practice is Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland. The medical group on file is The Centers for Advanced Orthopaedics. Dmand AI also links Dr. Zooker to 2 more group practices and clinics and 1 medical group, each named with a free account.
Greenspring Surgery Center at Quarry LakePrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chad C. Zooker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zooker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenspring Surgery Center at Quarry Lake | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Chad C. Zooker is one of 404 orthopedic surgeons in Maryland
Orthopaedic surgery is Dr. Zooker's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Zooker is licensed in Maryland.
Specialties and state licenses
- Orthopaedic surgery, MarylandPrimary
Orthopedic surgeons near Dr. Zooker
Counts of orthopedic 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. Chad C. Zooker billed Medicare for 4,391 services in 2024
CMS data shows 4,391 Medicare services from Dr. Zooker across 13 procedure codes in 2024, for 462 Medicare patients. Medicare paid $108,440 for them. Every service was in an office.
Medicare services, 20244,391
Medicare patients462
Paid by Medicare$108,440
Procedure codes13
Dr. Zooker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2,8422024: 3,0568%
- Office and hospital visits
- 2023: 8082024: 7448%
- Imaging
- 2023: 4522024: 34524%
- Surgery
- 2023: 2722024: 24610%
Dr. Zooker compared with the Maryland median for orthopedic surgeons, 2024
- Dr. Zooker
- Maryland median
- Medicare services
- 4,391vs 1,3433.3 times
- Medicare patients
- 462vs 34335% above
- Part D claims
- 48vs 9047% below
Medians across 368 orthopedic surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Zooker'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. Zooker and other orthopedic surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chad C. Zooker treated 462 Medicare patients in 2024, average age 74
CMS counts 462 Medicare patients who saw Dr. Zooker in 2024. The largest group is 65 to 74, with 200 patients. 75% of them have arthritis, and 75% have high blood pressure. 10% 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. Zooker's median patient age at 47, with 55% women.
Medicare patients, 2024462
Average age74
Average risk score1.04
Also on Medicaid10%
Dr. Zooker's Medicare patients by age, 2024
Dr. Zooker's Medicare patients by sex, 2024
- Women31268%
- Men15032%
Chronic conditions among Dr. Zooker's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes34%
- Ischemic heart disease26%
- Mood disorders24%
- Anxiety23%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zooker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chad C. Zooker wrote 108 Medicare Part D claims in 2024
In 2024, Dr. Zooker wrote 108 Medicare Part D claims for 68 patients. 95% of them were for generic drugs. CMS names the drug for 48 of them, across 3 drugs with 11 or more claims each, at $356 in total drug cost. In 2023, CMS named 64 claims across 3 drugs.
Part D claims, 2024108
Drugs named by CMS3
Total drug cost$356
Part D patients68
Dr. Zooker's Part D claims by kind of drug, 2024
- Generic103 claims95%
- Brand-name and other5 claims5%
Dr. Zooker'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. Zooker's Part D claims, 2024
- Opioids18%19 of 108 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: 642024: 4825%
Drugs named by CMS: 3 in 2024, 3 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. Chad C. Zooker ranks in the 51st percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Zooker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Zooker, more than 51% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Zooker ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 51st percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 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. Chad C. Zooker has 1 publication on record
Dmand AI links 1 paper to Dr. Zooker. Dr. Zooker's most frequent co-authors are Michael Girard Ciccotti, MD, Steven Brad Cohen, MD and Rajeev Pandarinath, MD.
Papers1
Dr. Zooker's most frequent co-authors
- Michael Girard Ciccotti, MD1 shared paper
- Steven Brad Cohen, MD1 shared paper
- Rajeev Pandarinath, MD1 shared paper
Recent publications by Dr. Zooker
See who Dr. Zooker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zooker works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Chad C. Zooker received $4,682 in industry payments from 2016 to 2024
CMS Open Payments shows 58 general payments to Dr. Zooker from 18 drug and device companies from 2016 to 2024. Education make up the largest share, 73% of the total. Supreme Orthopedic Systems, LLC paid the most, $3,404.
General payments to Dr. Zooker by program year, 2016 to 2024
General payments to Dr. Zooker by kind, 2016 to 2024
$4.7Kin total
- Education$3,40473%
- Food and beverage$1,27827%
Companies that paid Dr. Zooker the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chad C. Zooker graduated from University of Maryland School of Medicine
Dr. Zooker graduated from University of Maryland School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Chad C. Zooker'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)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. Chad C. Zooker
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. Chad C. Zooker's NPI number?
Dr. Chad C. Zooker's NPI number is 1306027263. It was assigned on November 20, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Chad C. Zooker?
Dr. Chad C. Zooker is an orthopedic surgeon in Baltimore, Maryland. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Chad C. Zooker practice?
Dr. Zooker practices at 2700 Quarry Lake Drive, Suite 100, Baltimore, MD 21209. Dr. Zooker's primary practice is Greenspring Surgery Center at Quarry Lake in Baltimore, Maryland. Dmand AI also links Dr. Zooker to 2 group practices and clinics and 1 medical group.
What is Dr. Chad C. Zooker's office phone number?
The practice phone on file for Dr. Zooker is (410) 377-8900.
What is Dr. Chad C. Zooker's medical license number?
Dr. Zooker holds Maryland license D72129.
What medical group is Dr. Chad C. Zooker part of?
Dr. Zooker is linked to The Centers for Advanced Orthopaedics. Dmand AI links Dr. Zooker to 1 more medical group.
Does Dr. Chad C. Zooker accept Medicare?
Yes. CMS data shows Dr. Zooker billed Medicare for 4,391 services in 2024, and Dr. Zooker accepts Medicare assignment.
How many Medicare patients does Dr. Chad C. Zooker see?
CMS counts 462 Medicare patients who saw Dr. Zooker in 2024, with an average age of 74.
What services does Dr. Chad C. Zooker bill to Medicare?
In 2024, Dr. Zooker's most billed Medicare services were injected or infused drug (J7325), injected or infused drug (J1100) and office visit, established patient (99213).
Where did Dr. Chad C. Zooker go to medical school?
Dr. Zooker graduated from University of Maryland School of Medicine in 2004.
Show 5 more questionsShow fewer questions
What drugs does Dr. Chad C. Zooker prescribe most?
In 2024 Medicare Part D data, Dr. Zooker's most prescribed drugs by claims were Diclofenac Sodium, Methylprednisolone and Ibuprofen.
Has Dr. Chad C. Zooker received payments from drug or device companies?
CMS Open Payments shows $4,682 in general payments to Dr. Zooker from 18 companies from 2016 to 2024. The largest total came from Supreme Orthopedic Systems, LLC.
How long has Dr. Chad C. Zooker been practicing?
Dr. Zooker graduated from medical school in 2004, 22 years ago.
Does Dr. Chad C. Zooker do research?
Dmand AI links 1 publication to Dr. Zooker.
Who does Dr. Chad C. Zooker publish with?
Dr. Zooker's most frequent co-authors are Michael Girard Ciccotti, MD (1 shared paper), Steven Brad Cohen, MD (1 shared paper) and Rajeev Pandarinath, MD (1 shared paper).
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