2026 NPPES data Dermatology Physician NPI 1295703577 MD
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MARCUS CONNELLY, MD

Dermatology Physician in MODESTO, California. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
1K
Medicare Part D claims · 470 beneficiaries · Dermatology Physician avg: 729
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$2.2K
62 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: MARCUS CONNELLY, MD is a Dermatology Physician ([object Object]) practicing in MODESTO, California with a Medicare Part D prescribing footprint of 1K claims across 470 beneficiaries — 12% brand-name prescribing . Industry payments of $2.2K across 62 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: MARCUS CONNELLY, MD filed 1,259 Medicare Part D claims in 2023 across MODESTO, California. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

MARCUS CONNELLY, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

MARCUS CONNELLY, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 03/10/2006

NPI 1295703577

Primary specialty

Dermatology Physician

Mid-sized

14,610 US NPIs in this specialty

Medicare Part D claims

1,259 73% vs specialty avg

2023 prescription claims

Specialty avg: 729

Specialty distribution in California

How Dermatology Physician compares to other specialties among California providers

California providers

Dermatology Physician share within California

1. Dermatology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Dermatology Physician share within California

Specialty board-certification context

Estimated specialty board-certified rate — Dermatology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Dermatology Physician ABMS/AOA estimate

Est. board-certified rate (Dermatology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Dermatology Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

MARCUS CONNELLY, MD is a Dermatology Physician provider practicing in MODESTO, California, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1295703577. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

MARCUS CONNELLY, MD appears in the CMS NPPES registry as a Dermatology Physician provider holding MD credentials at 600 COFFEE RD, MODESTO, CA, 95355, with a listed phone of (209) 521-6097. NPI 1295703577 was issued on 03/10/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what CONNELLY most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 1,259 prescription claims written by this provider, covering 470 Medicare beneficiaries and totaling roughly $946K in drug spend, split 12% brand-name and 88% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Dermatology Physician is a mid-sized specialty nationwide, with 14,610 enrolled providers across 53 states and an average of 729 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

600 COFFEE RD
MODESTO, CA 95355

Provider Details

NPI 1295703577
Specialty Dermatology Physician
Credentials MD
Gender Male
NPI Issued 03/10/2006

Hospital and facility affiliations

Facilities where MARCUS CONNELLY, MD bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

SUTTER VALLEY MEDICAL FOUNDATION
SACRAMENTO, CA

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for MARCUS CONNELLY, MD. Source: openpaymentsdata.cms.gov.

Total received

$2.2K

Largest payer

Janssen Biotech, Inc.

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

License & disciplinary context — California MBC 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~150K California medical licensees in 2023 — they are NOT specific to MARCUS CONNELLY, MD. To verify MARCUS CONNELLY, MD's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases

MBC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

MARCUS CONNELLY, MD — brand share 12.0%
Specialty average (est.)

12% brand-name claims vs 88% generic, on 1,259 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

1,259
Total Claims
$946K
Total Drug Cost
470
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,484
Total Day Supply
39,995
Brand vs Generic
12% brand / 88% generic
Brand Drug Cost
$872K
Generic Drug Cost
$74K
Antibiotic Claims
99

Patient Demographics

Average Patient Age
73.9 years
Avg HCC Risk Score
1.24
Gender Split
49% female / 51% male
Age Distribution
<65: 49, 65-74: 190, 75-84: 160, 85+: 71

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Fluocinonide
155
Triamcinolone Acetonide
132
Fluorouracil
95
Hydrocortisone
80
Alclometasone Dipropionate
67
Desonide
52
Mupirocin
52
Betamethasone Dipropionate
44
Mometasone Furoate
42
Doxycycline Hyclate
35

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Dermatology Physician Overview

How MARCUS CONNELLY, MD fits within the Dermatology Physician landscape nationally.

14,610
Dermatology Physician Providers in US
53
States with Dermatology Physician
729
Avg Claims per Provider

MARCUS CONNELLY, MD's 1,259 claims are above the specialty average of 729.

Nearby Dermatology Physician Providers in California

Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as CONNELLY.

Compare Dermatology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MARCUS CONNELLY, MD's specialty?
MARCUS CONNELLY, MD specializes in Dermatology Physician and practices in MODESTO, California. Credentials: MD.
How much does MARCUS CONNELLY, MD prescribe under Medicare Part D?
In 2023, MARCUS CONNELLY, MD wrote 1,259 Medicare Part D claims totaling $946K in drug costs for 470 beneficiaries.
Where is MARCUS CONNELLY, MD located?
MARCUS CONNELLY, MD is located at 600 COFFEE RD, MODESTO, CA, 95355. Phone: (209) 521-6097.
What is MARCUS CONNELLY, MD's NPI number?
MARCUS CONNELLY, MD's National Provider Identifier (NPI) is 1295703577, issued on 03/10/2006.
Does MARCUS CONNELLY, MD prescribe more brand-name or generic drugs?
MARCUS CONNELLY, MD's prescribing is 12% brand-name and 88% generic drugs by claim count, with $872K in brand drug costs.
How many Dermatology Physician providers are there in the US?
There are 14,610 Dermatology Physician providers across 53 states in the US. The average Dermatology Physician provider writes 729 Medicare Part D claims per year.
What drugs does MARCUS CONNELLY, MD prescribe most often?
Based on 2023 Medicare Part D data, MARCUS CONNELLY, MD's most frequently prescribed drugs include Fluocinonide, Triamcinolone Acetonide, Fluorouracil. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MARCUS CONNELLY, MD accept Medicare?
MARCUS CONNELLY, MD appears in CMS Medicare data with 1,259 Part D claims and 470 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MARCUS CONNELLY, MD's credentials?
MARCUS CONNELLY, MD's NPI is 1295703577 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology