Dr. Marcus George Connelly, MD
- Medicare services, 2024
- 1,886
- Medicare patients, 2024
- 717
- Part D claims, 2024
- 1,291
- Industry payments
- $9,551
- Affiliated sites
- 1
- Practice address
- 600 Coffee Rd, Modesto, CA 95355
- Practice phone
- Call (209) 524-1211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sutter Valley Medical Foundation
Modesto, California
Find Dr. Connelly'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. Marcus George Connelly is a dermatologist in Modesto, California
Dr. Connelly practices at Sutter Valley Medical Foundation in Modesto, California.
Dr. Connelly's NPI, 1295703577, was assigned on March 10, 2006. Dr. Connelly graduated from The Johns Hopkins University School of Medicine in 1980. Dr. Connelly holds California license C50251.
- NPI
- 1295703577NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133158892
- NPI enumeration date
- March 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 524-1211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marcus George Connelly practices at Sutter Valley Medical Foundation in Modesto, California
Dr. Connelly's primary practice is Sutter Valley Medical Foundation, at 600 Coffee Rd, Modesto, CA 95355 in Stanislaus County. The practice phone is (209) 524-1211.
- Sutter Valley Medical Foundation600 Coffee Rd, Modesto, CA 95355 · Stanislaus CountyPhone(209) 524-1211
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marcus George Connelly is affiliated with 2 sites of care and 1 medical group
Dr. Connelly's primary practice is Sutter Valley Medical Foundation in Modesto, California. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Connelly to 1 more group practice or clinic, 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. Marcus George Connelly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Connelly practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Valley Medical Foundation | 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. Marcus George Connelly is one of 1,910 dermatologists in California
Dermatology is Dr. Connelly's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Connelly is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Connelly's licenses on file in 6 states: California, Texas, Maryland, New York, Georgia and Minnesota.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
- Texas license
- Maryland license
- New York license
- Georgia license
- Minnesota license
Clinical focus
Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, contact dermatitis, itchy rashes, joint cyst and minor injury to a limb among the conditions Dr. Connelly treats.
Dermatologists near Dr. Connelly
Counts of dermatologists 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. Marcus George Connelly billed Medicare for 1,886 services in 2024
CMS data shows 1,886 Medicare services from Dr. Connelly across 11 procedure codes in 2024, for 717 Medicare patients. Medicare paid $101,739 for them. Every service was in an office.
Dr. Connelly's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9562024: 9712%
- Surgery
- 2023: 1,1202024: 91518%
Dr. Connelly compared with the California median for dermatologists, 2024
- Dr. Connelly
- California median
- Medicare services
- 1,886vs 1,7508% above
- Medicare patients
- 717vs 37790% above
- Part D claims
- 1,148vs 3673.1 times
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. Connelly'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. Connelly and other dermatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marcus George Connelly treated 717 Medicare patients in 2024, average age 74
CMS counts 717 Medicare patients who saw Dr. Connelly in 2024. The largest group is 65 to 74, with 326 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Connelly's median patient age at 72, with 54% women.
Dr. Connelly's Medicare patients by age, 2024
Dr. Connelly's Medicare patients by sex, 2024
- Women37052%
- Men34748%
Chronic conditions among Dr. Connelly's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis45%
- Diabetes32%
- Chronic kidney disease29%
- Ischemic heart disease23%
- Anxiety18%
- Atrial fibrillation16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Connelly's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marcus George Connelly wrote 1,291 Medicare Part D claims in 2024
In 2024, Dr. Connelly wrote 1,291 Medicare Part D claims for 462 patients. 90% of them were for generic drugs. CMS names the drug for 1,148 of them, across 27 drugs with 11 or more claims each, at $556,633 in total drug cost. In 2023, CMS named 1,077 claims across 25 drugs.
Dr. Connelly's Part D claims by kind of drug, 2024
- Generic1,159 claims90%
- Brand-name132 claims10%
Dr. Connelly'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. Connelly's Part D claims, 2024
- Antibiotics9%113 of 1,291 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: 1,0772024: 1,1487%
Drugs named by CMS: 27 in 2024, 25 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. Marcus George Connelly ranks in the 86th percentile for removal of skin lesions in Medicare
Dr. Connelly accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 453 procedures of removal of skin lesions by Dr. Connelly, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Connelly ranks in Medicare procedure volume
- Removal of skin lesions
- 86th percentile453 procedures
- Removal or shaving of skin growth
- 77th percentile41 procedures
- Skin biopsy
- 60th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Marcus George Connelly received $9,551 in industry payments from 2016 to 2025
CMS Open Payments shows 233 general payments to Dr. Connelly from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Celgene Corporation paid the most, $1,352.
General payments to Dr. Connelly by program year, 2016 to 2025
General payments to Dr. Connelly by kind, 2016 to 2025
- Food and beverage$9,48399%
- Education$681%
Companies that paid Dr. Connelly 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. Marcus George Connelly has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Connelly, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Connelly
- 2013
- CMS Stage 1 EHR
- Undated
- AAD Fellow
Source: Dmand AI Professional Profile Data
Dr. Marcus George Connelly graduated from The Johns Hopkins University School of Medicine
Dr. Connelly graduated from The Johns Hopkins University School of Medicine in 1980. Dr. Connelly is a member of AAD.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. Marcus George Connelly accepts plans from 14 insurance carriers
Dr. Connelly is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Connelly accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Marcus George Connelly'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Marcus George Connelly
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. Marcus George Connelly's NPI number?
Dr. Marcus George Connelly's NPI number is 1295703577. It was assigned on March 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marcus George Connelly?
Dr. Marcus George Connelly is a dermatologist in Modesto, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Marcus George Connelly practice?
Dr. Connelly practices at 600 Coffee Rd, Modesto, CA 95355. Dr. Connelly's primary practice is Sutter Valley Medical Foundation in Modesto, California. Dmand AI also links Dr. Connelly to 1 group practice or clinic.
What is Dr. Marcus George Connelly's office phone number?
The practice phone on file for Dr. Connelly is (209) 524-1211.
What is Dr. Marcus George Connelly's medical license number?
Dr. Connelly holds California license C50251, one of the licenses on file in 6 states.
Which states has Dr. Marcus George Connelly been licensed in?
Dmand AI has state licenses on file for Dr. Connelly in California (1999 to 2027), Texas (2016 to 2024), Maryland (1980 to 2000), New York (1984 to 1992), Georgia (1984 to 1987) and Minnesota (1981 to 1984).
What medical group is Dr. Marcus George Connelly part of?
Dr. Connelly is linked to SGMF Radiology.
Does Dr. Marcus George Connelly accept Medicare?
Yes. CMS data shows Dr. Connelly billed Medicare for 1,886 services in 2024, and Dr. Connelly accepts Medicare assignment.
How many Medicare patients does Dr. Marcus George Connelly see?
CMS counts 717 Medicare patients who saw Dr. Connelly in 2024, with an average age of 74.
Is Dr. Marcus George Connelly board certified?
Yes. Dr. Connelly is board certified in dermatology by the American Board of Dermatology.
Show 6 more questionsShow fewer questions
What services does Dr. Marcus George Connelly bill to Medicare?
In 2024, Dr. Connelly's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Marcus George Connelly go to medical school?
Dr. Connelly graduated from The Johns Hopkins University School of Medicine in 1980.
What drugs does Dr. Marcus George Connelly prescribe most?
In 2024 Medicare Part D data, Dr. Connelly's most prescribed drugs by claims were Fluocinonide, Triamcinolone Acetonide and Fluorouracil.
Has Dr. Marcus George Connelly received payments from drug or device companies?
CMS Open Payments shows $9,551 in general payments to Dr. Connelly from 24 companies from 2016 to 2025. The largest total came from Celgene Corporation.
How long has Dr. Marcus George Connelly been practicing?
Dr. Connelly graduated from medical school in 1980, 46 years ago.
What insurance does Dr. Marcus George Connelly accept?
Dr. Connelly is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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