Dr. Colin Clawson McNamara, MD
- Medicare services, 2024
- 121
- Medicare patients, 2024
- 41
- Part D claims, 2024
- 433
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Practice address
- 2315 Stockton Boulevard, Sacramento, CA 95817
- Practice phone
- Call (916) 734-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McNamara's professional email, personal email and mobile number
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Dr. Colin Clawson McNamara is an internist in Sacramento, California
Dr. McNamara practices at UC Davis Medical Center in Sacramento, California, part of University of California Health.
Dr. McNamara's NPI, 1922686294, was assigned on March 30, 2021. Dr. McNamara graduated from Spencer Fox Eccles School of Medicine in 2021. Dr. McNamara's California license number on file is 192036.
- NPI
- 1922686294NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507246527
- NPI enumeration date
- March 30, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 734-2011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Colin Clawson McNamara practices at UC Davis Medical Center in Sacramento, California
Dr. McNamara's primary practice is UC Davis Medical Center, at 2315 Stockton Boulevard, Sacramento, CA 95817 in Sacramento County. The practice phone is (916) 734-2011.
- UC Davis Medical Center2315 Stockton Boulevard, Sacramento, CA 95817 · Sacramento CountyPhone(916) 734-2011
Source: Dmand AI Affiliation Data
Dr. Colin Clawson McNamara is affiliated with 1 site of care and 1 medical group
Dr. McNamara's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. The medical group on file is UC Davis Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Colin Clawson McNamara's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McNamara practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UC Davis Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Colin Clawson McNamara is one of 16,751 internists in California
Internal medicine is Dr. McNamara's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. McNamara has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. McNamara
Counts of internists 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. Colin Clawson McNamara billed Medicare for 121 services in 2024
CMS data shows 121 Medicare services from Dr. McNamara across 3 procedure codes in 2024, for 41 Medicare patients. Medicare paid $9,211 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. McNamara compared with the California median for internists, 2024
- Dr. McNamara
- California median
- Medicare services
- 121vs 36166% below
- Medicare patients
- 41vs 15173% below
- Part D claims
- 141vs 42167% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. McNamara'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. McNamara and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Colin Clawson McNamara treated 41 Medicare patients in 2024, average age 69
CMS counts 41 Medicare patients who saw Dr. McNamara in 2024. The largest group is 65 to 74, with 19 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 49% are also on Medicaid. Their average risk score is 2.73, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. McNamara's median patient age at 59, with 49% women.
Dr. McNamara's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McNamara's Medicare patients by sex, 2024
- Women2151%
- Men2049%
Chronic conditions among Dr. McNamara's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Heart failure56%
- Chronic kidney disease51%
- Arthritis44%
- Atrial fibrillation44%
- Mood disorders44%
- Diabetes41%
Share of Medicare patients with each condition. A patient can have several.
Dr. McNamara's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Colin Clawson McNamara wrote 433 Medicare Part D claims in 2024
In 2024, Dr. McNamara wrote 433 Medicare Part D claims for 62 patients. 85% of them were for generic drugs. CMS names the drug for 141 of them, across 7 drugs with 11 or more claims each, at $2,171 in total drug cost. In 2023, CMS named 245 claims across 14 drugs.
Dr. McNamara's Part D claims by kind of drug, 2024
- Generic366 claims85%
- Brand-name and other67 claims15%
Dr. McNamara'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. McNamara's Part D claims, 2024
- Opioids3%11 of 433 claims
- Antibiotics3%13 of 433 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: 2452024: 14142%
Drugs named by CMS: 7 in 2024, 14 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. Colin Clawson McNamara scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. McNamara for performance year 2024, reported as part of a group. Dr. McNamara accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. McNamara's MIPS scores, performance year 2024
- 83of 100Final score
- 64.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Colin Clawson McNamara graduated from Spencer Fox Eccles School of Medicine
Dr. McNamara graduated from Spencer Fox Eccles School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Colin Clawson McNamara accepts plans from 1 insurance carrier
Dr. McNamara is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Aetna
Plan types Dr. McNamara accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Colin Clawson McNamara'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Colin Clawson McNamara
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. Colin Clawson McNamara's NPI number?
Dr. Colin Clawson McNamara's NPI number is 1922686294. It was assigned on March 30, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Colin Clawson McNamara?
Dr. Colin Clawson McNamara is an internist in Sacramento, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Colin Clawson McNamara practice?
Dr. McNamara practices at 2315 Stockton Boulevard, Sacramento, CA 95817. Dr. McNamara's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health.
What is Dr. Colin Clawson McNamara's office phone number?
The practice phone on file for Dr. McNamara is (916) 734-2011.
What is Dr. Colin Clawson McNamara's medical license number?
Dr. McNamara's California license number on file is 192036.
Which hospitals is Dr. Colin Clawson McNamara affiliated with?
Dr. McNamara practices at UC Davis Medical Center in Sacramento, California.
What medical group is Dr. Colin Clawson McNamara part of?
Dr. McNamara is linked to UC Davis Medical Group.
Does Dr. Colin Clawson McNamara accept Medicare?
Yes. CMS data shows Dr. McNamara billed Medicare for 121 services in 2024, and Dr. McNamara accepts Medicare assignment.
What is Dr. Colin Clawson McNamara's MIPS score?
Dr. McNamara's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Colin Clawson McNamara see?
CMS counts 41 Medicare patients who saw Dr. McNamara in 2024, with an average age of 69.
Show 5 more questionsShow fewer questions
What services does Dr. Colin Clawson McNamara bill to Medicare?
In 2024, Dr. McNamara's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Colin Clawson McNamara go to medical school?
Dr. McNamara graduated from Spencer Fox Eccles School of Medicine in 2021.
What drugs does Dr. Colin Clawson McNamara prescribe most?
In 2024 Medicare Part D data, Dr. McNamara's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Gabapentin.
How long has Dr. Colin Clawson McNamara been practicing?
Dr. McNamara graduated from medical school in 2021, 5 years ago.
What insurance does Dr. Colin Clawson McNamara accept?
Dr. McNamara is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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