Dr. Marcus George Connelly, MD

  • Modesto, CA
  • Dermatologist
NPI1295703577PAC ID9133158892
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter Valley Medical Foundation

Modesto, California

See all 3 affiliations

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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 and contact details
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
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Mobile number
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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 Foundation
    600 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.

See all 3 affiliations for Dr. Connelly

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.

EHR by site
SiteEHR vendor and product
Sutter Valley Medical FoundationAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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, CaliforniaPrimaryLicense C50251 · 1999 to 2027 · taxonomy 207N00000X
  • Texas license2016 to 2024
  • Maryland license1980 to 2000
  • New York license1984 to 1992
  • Georgia license1984 to 1987
  • Minnesota license1981 to 1984

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.

1,910dermatologists in California
8dermatologists in Modesto

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.

Medicare services, 20241,886
Medicare patients717
Paid by Medicare$101,739
Procedure codes11

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.

See all procedures by Dr. Connelly

Need commercial claims for Dr. Connelly?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Connelly and other dermatologists in California.

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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.

Medicare patients, 2024717
Average age74
Average risk score1.14
Also on Medicaid15%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis45%
  4. Diabetes32%
  5. Chronic kidney disease29%
  6. Ischemic heart disease23%
  7. Anxiety18%
  8. 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.

Part D claims, 20241,291
Drugs named by CMS27
Total drug cost$556,633
Part D patients462

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.

See all prescribing by Dr. Connelly

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

$9.6Kin total
  • 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.

See all payments to Dr. Connelly

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

  1. 2013
    • CMS Stage 1 EHR
  2. 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.

  1. Medical schoolThe Johns Hopkins University School of Medicine
  2. Board certified in dermatologyAmerican Board of 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

  1. PPO9
  2. Medicare8
  3. HMO7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Marcus George Connelly's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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