Dr. Daniel Lewis Monahan, MD

  • Roseville, CA
  • General surgeon
NPI1750435707PAC ID1456360940
Medicare services, 2024
1,347
Medicare patients, 2024
298
Part D claims, 2024
32
Publications
6
Hospital affiliations
1
Practice address
One Medical Plaza, Roseville, CA 95661
Practice phone
Call (916) 781-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter Roseville Medical Center

Hospital · Roseville, California

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Dr. Daniel Lewis Monahan is a general surgeon in Roseville, California

Dr. Monahan practices at Sutter Roseville Medical Center in Roseville, California, part of Sutter Health.

Dr. Monahan's NPI, 1750435707, was assigned on January 23, 2007. Dr. Monahan graduated from John A. Burns School of Medicine in 1981. Dr. Monahan holds California license G60308.

NPI and contact details
Medicare PAC ID
1456360940
NPI enumeration date
January 23, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(916) 781-1000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
71
Medical school graduation
1981

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Daniel Lewis Monahan practices at 2 locations in Roseville, California

Dr. Monahan's primary practice is Sutter Roseville Medical Center, at One Medical Plaza, Roseville, CA 95661 in Placer County. The practice phone is (916) 781-1000. Dr. Monahan also practices at Sutter Roseville Medical Center, 1 Medical Plz, Roseville, CA 95661.

  • Sutter Roseville Medical CenterPrimary
    One Medical Plaza, Roseville, CA 95661 · Placer CountyPhone(916) 781-1000
  • Sutter Roseville Medical Center
    1 Medical Plz, Roseville, CA 95661 · Placer CountyPhone(800) 353-3369

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Daniel Lewis Monahan is affiliated with 2 sites of care and 1 medical group

Dr. Monahan's primary practice is Sutter Roseville Medical Center in Roseville, California, part of Sutter Health. Dmand AI also links Dr. Monahan to 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Monahan's employer is on file too: a hospital.

See all 3 affiliations for Dr. Monahan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Daniel Lewis Monahan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Monahan practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter Roseville Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Daniel Lewis Monahan is one of 2,926 general surgeons in California

Surgery is Dr. Monahan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Monahan is licensed in California.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense G60308 · 1987 to 2026 · taxonomy 208600000X

Clinical focus

Dmand AI lists varicose vein treatment among the conditions Dr. Monahan treats.

General surgeons near Dr. Monahan

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. Daniel Lewis Monahan billed Medicare for 1,347 services in 2024

CMS data shows 1,347 Medicare services from Dr. Monahan across 14 procedure codes in 2024, for 298 Medicare patients. Medicare paid $236,560 for them.

Medicare services, 20241,347
Medicare patients298
Paid by Medicare$236,560
Procedure codes14

Dr. Monahan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3812024: 45018%
Surgery
2023: 4012024: 4287%
Tests and treatments
2023: 3592024: 39911%
Imaging
2023: 552024: 7027%

Where Dr. Monahan's Medicare services took place, 2024

  • In an office1,30797%
  • In a facility403%

Dr. Monahan compared with the California median for general surgeons, 2024

  • Dr. Monahan
  • California median
Medicare services
1,347vs 1668.1 times
Medicare patients
298vs 1212.5 times
Part D claims
18vs 3447% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Monahan'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. Monahan

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Monahan and other general surgeons in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Daniel Lewis Monahan treated 298 Medicare patients in 2024, average age 76

CMS counts 298 Medicare patients who saw Dr. Monahan in 2024. The largest group is 65 to 74, with 137 patients. 75% of them have high cholesterol, and 58% have arthritis. 4% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Monahan's median patient age at 61, with 74% women.

Medicare patients, 2024298
Average age76
Average risk score0.99
Also on Medicaid4%

Dr. Monahan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Monahan's Medicare patients by sex, 2024

  • Women21572%
  • Men8328%

Chronic conditions among Dr. Monahan's Medicare patients, 2024

  1. High cholesterol75%
  2. Arthritis58%
  3. High blood pressure56%
  4. Osteoporosis21%
  5. Anxiety20%
  6. Atrial fibrillation20%
  7. Diabetes18%
  8. Ischemic heart disease17%

Share of Medicare patients with each condition. A patient can have several.

Dr. Monahan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women74%
  • Men21%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Daniel Lewis Monahan wrote 32 Medicare Part D claims in 2024

In 2024, Dr. Monahan wrote 32 Medicare Part D claims for 17 patients. 81% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $89 in total drug cost. In 2023, CMS named 23 claims across 1 drug.

Part D claims, 202432
Drugs named by CMS1
Total drug cost$89
Part D patients17

Dr. Monahan's Part D claims by kind of drug, 2024

  • Generic26 claims81%
  • Brand-name and other6 claims19%

Dr. Monahan'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 232024: 1822%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Monahan

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. Daniel Lewis Monahan scored 0 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Monahan for performance year 2024, reported individually. Dr. Monahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 550 procedures of varicose vein removal by Dr. Monahan, more than 97% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Monahan's MIPS scores, performance year 2024

  • 0of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 0of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Monahan ranks in Medicare procedure volume

Varicose vein removal
97th percentile550 procedures
Removal of tissue
84th percentile87 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Daniel Lewis Monahan has 6 publications on record

Dmand AI links 6 papers to Dr. Monahan, published from 2019 to 2023. 2019 was the busiest year, with 2. The most frequent topics are Varicose Veins and Insurance Coverage. Dr. Monahan has published most often in J Vasc Surg Venous Lymphat Disord. Dr. Monahan's most frequent co-authors are Anand Hemant Athavale, MBBS, Eri Fukaya, MD and Mark David Iafrati, MD.

Papers6
Years published2019 to 2023

Dr. Monahan's papers by year, 2019 to 2023

Topics Dr. Monahan writes about most

  • Varicose Veins
  • Insurance Coverage

Dr. Monahan's most frequent co-authors

Recent publications by Dr. Monahan

See all 6 publications and co-authors

See who Dr. Monahan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Monahan works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Daniel Lewis Monahan received $3,204 in industry payments from 2016 to 2024

CMS Open Payments shows 59 general payments to Dr. Monahan from 11 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $1,948.

General payments to Dr. Monahan by program year, 2016 to 2024

Companies that paid Dr. Monahan the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Monahan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Daniel Lewis Monahan has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Monahan, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Monahan

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Daniel Lewis Monahan graduated from John A. Burns School of Medicine

Dr. Monahan graduated from John A. Burns School of Medicine in 1981. Dr. Monahan is a member of ACS.

  1. Medical schoolJohn A. Burns School of Medicine

Source: Dmand AI Professional Profile Data

Dr. Daniel Lewis Monahan accepts plans from 6 insurance carriers

Dr. Monahan is in network with 6 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Monahan accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. HMO3
  4. POS3
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Daniel Lewis Monahan'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Daniel Lewis Monahan

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. Daniel Lewis Monahan's NPI number?

Dr. Daniel Lewis Monahan's NPI number is 1750435707. It was assigned on January 23, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Daniel Lewis Monahan?

Dr. Daniel Lewis Monahan is a general surgeon in Roseville, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Daniel Lewis Monahan practice?

Dr. Monahan practices at One Medical Plaza, Roseville, CA 95661. Dr. Monahan also practices at 1 Medical Plz, Roseville, CA 95661. Dr. Monahan's primary practice is Sutter Roseville Medical Center in Roseville, California, part of Sutter Health. Dmand AI also links Dr. Monahan to 1 group practice or clinic and 1 medical group.

What is Dr. Daniel Lewis Monahan's office phone number?

The practice phone on file for Dr. Monahan is (916) 781-1000.

What is Dr. Daniel Lewis Monahan's medical license number?

Dr. Monahan holds California license G60308.

Which hospitals is Dr. Daniel Lewis Monahan affiliated with?

Dr. Monahan practices at Sutter Roseville Medical Center in Roseville, California.

Does Dr. Daniel Lewis Monahan accept Medicare?

Yes. CMS data shows Dr. Monahan billed Medicare for 1,347 services in 2024, and Dr. Monahan accepts Medicare assignment.

What is Dr. Daniel Lewis Monahan's MIPS score?

Dr. Monahan's MIPS final score for performance year 2024 is 0 out of 100, reported individually.

How many Medicare patients does Dr. Daniel Lewis Monahan see?

CMS counts 298 Medicare patients who saw Dr. Monahan in 2024, with an average age of 76.

What services does Dr. Daniel Lewis Monahan bill to Medicare?

In 2024, Dr. Monahan's most billed Medicare services were surgery: heart and blood vessels (36471), blood vessel study (93971) and blood vessel study (93970).

Show 7 more questionsShow fewer questions

Where did Dr. Daniel Lewis Monahan go to medical school?

Dr. Monahan graduated from John A. Burns School of Medicine in 1981.

What drugs does Dr. Daniel Lewis Monahan prescribe most?

In 2024 Medicare Part D data, Dr. Monahan's most prescribed drugs by claims were Triamcinolone Acetonide.

Has Dr. Daniel Lewis Monahan received payments from drug or device companies?

CMS Open Payments shows $3,204 in general payments to Dr. Monahan from 11 companies from 2016 to 2024. The largest total came from Medtronic Vascular, Inc.

How long has Dr. Daniel Lewis Monahan been practicing?

Dr. Monahan graduated from medical school in 1981, 45 years ago.

Does Dr. Daniel Lewis Monahan do research?

Dmand AI links 6 publications to Dr. Monahan, published from 2019 to 2023.

Who does Dr. Daniel Lewis Monahan publish with?

Dr. Monahan's most frequent co-authors are Anand Hemant Athavale, MBBS (1 shared paper), Eri Fukaya, MD (1 shared paper) and Mark David Iafrati, MD (1 shared paper).

What insurance does Dr. Daniel Lewis Monahan accept?

Dr. Monahan is in network with 6 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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