Dr. Clelia Alexandra Clark, MD

  • Santa Rosa, CA
  • Emergency medicine physician
NPI1295294163PAC ID7012390388
Medicare services, 2024
444
Medicare patients, 2024
317
Part D claims, 2024
68
Publications
2
Hospital affiliations
1
Practice address
1165 Montgomery Dr, Santa Rosa, CA 95405
Practice phone
Call (707) 525-5300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Providence Santa Rosa Memorial Hospital

Hospital · Santa Rosa, California

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Dr. Clelia Alexandra Clark is an emergency medicine physician in Santa Rosa, California

Dr. Clark practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services.

Dr. Clark's NPI, 1295294163, was assigned on March 19, 2019. Dr. Clark graduated from UC Irvine School of Medicine in 2018. Dr. Clark holds California license A176361.

NPI and contact details
Medicare PAC ID
7012390388
NPI enumeration date
March 19, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 525-5300
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
33
Medical school graduation
2018

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

Dr. Clelia Alexandra Clark practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California

Dr. Clark's primary practice is Providence Santa Rosa Memorial Hospital, at 1165 Montgomery Dr, Santa Rosa, CA 95405 in Sonoma County. The practice phone is (707) 525-5300.

Source: Dmand AI Affiliation Data

Dr. Clelia Alexandra Clark is affiliated with 1 site of care and 1 medical group

Dr. Clark's primary practice is Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services. The medical group on file is St. Jude Heritage Medical Group.

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

Dmand AI tracks the EHR system at Dr. Clelia Alexandra Clark's practice

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

EHR by site
SiteEHR vendor and product
Providence Santa Rosa Memorial HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Clelia Alexandra Clark is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Clark is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Clark is licensed in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A176361 · 2022 to 2026 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Clark

Counts of emergency medicine physicians 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. Clelia Alexandra Clark billed Medicare for 444 services in 2024

CMS data shows 444 Medicare services from Dr. Clark across 4 procedure codes in 2024, for 317 Medicare patients. Medicare paid $43,618 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024444
Medicare patients317
Paid by Medicare$43,618
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 6222024: 31450%
Tests and treatments
2023: 2442024: 13047%

Dr. Clark compared with the California median for emergency medicine physicians, 2024

  • Dr. Clark
  • California median
Medicare services
444vs 26568% above
Medicare patients
317vs 24330% above
Part D claims
29vs 6253% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Clark'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. Clark

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

Dr. Clelia Alexandra Clark treated 317 Medicare patients in 2024, average age 76

CMS counts 317 Medicare patients who saw Dr. Clark in 2024. The largest group is 75 to 84, with 108 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 37% are also on Medicaid. Their average risk score is 2.08, 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. Clark's median patient age at 71, with 58% women.

Medicare patients, 2024317
Average age76
Average risk score2.08
Also on Medicaid37%

Dr. Clark's Medicare patients by age, 2024

Dr. Clark's Medicare patients by sex, 2024

  • Women16953%
  • Men14847%

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

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis47%
  4. Mood disorders45%
  5. Anxiety39%
  6. Depression39%
  7. Ischemic heart disease36%
  8. Atrial fibrillation34%

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

Dr. Clark's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women58%
  • Men42%

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

Dr. Clelia Alexandra Clark wrote 68 Medicare Part D claims in 2024

In 2024, Dr. Clark wrote 68 Medicare Part D claims for 51 patients. 94% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $241 in total drug cost.

Part D claims, 202468
Drugs named by CMS2
Total drug cost$241
Part D patients51

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

  • Generic64 claims94%
  • Brand-name and other4 claims6%

Dr. Clark's most prescribed drugs by claims, 2023

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. Clark's Part D claims, 2024

  • Antibiotics31%21 of 68 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Clark

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

How Dr. Clelia Alexandra Clark takes part in Medicare

Dr. Clark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Clelia Alexandra Clark has 2 publications on record

Dmand AI links 2 papers to Dr. Clark in 2019. 2019 was the busiest year, with 2. Dr. Clark has published most often in AEM Educ Train. Dr. Clark's most frequent co-authors are Jessica G. Andrusaitis, Shannon Louise Toohey, MD and Warren F. Wiechmann, MD.

Papers2

Dr. Clark's most frequent co-authors

Recent publications by Dr. Clark

See all 2 publications and co-authors

See who Dr. Clark researches with

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

How network discovery works

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

Dr. Clelia Alexandra Clark received $25 in industry payments in 2023

CMS Open Payments shows 1 general payment to Dr. Clark from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Grifols Shared Services North America, Inc. paid the most, $25.

Companies that paid Dr. Clark the most, 2023 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Clark

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

Dr. Clelia Alexandra Clark graduated from UC Irvine School of Medicine

Dr. Clark graduated from UC Irvine School of Medicine in 2018.

  1. Medical schoolUC Irvine School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Clelia Alexandra Clark accepts plans from 3 insurance carriers

Dr. Clark is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Clark accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Clelia Alexandra Clark'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 phoneDmand AI Affiliation 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)
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)
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. Clelia Alexandra Clark

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. Clelia Alexandra Clark's NPI number?

Dr. Clelia Alexandra Clark's NPI number is 1295294163. It was assigned on March 19, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Clelia Alexandra Clark?

Dr. Clelia Alexandra Clark is an emergency medicine physician in Santa Rosa, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Clelia Alexandra Clark practice?

Dr. Clark practices at 1165 Montgomery Dr, Santa Rosa, CA 95405. Dr. Clark's primary practice is Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services.

What is Dr. Clelia Alexandra Clark's office phone number?

The practice phone on file for Dr. Clark is (707) 525-5300.

What is Dr. Clelia Alexandra Clark's medical license number?

Dr. Clark holds California license A176361.

Which hospitals is Dr. Clelia Alexandra Clark affiliated with?

Dr. Clark practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California.

What medical group is Dr. Clelia Alexandra Clark part of?

Dr. Clark is linked to St. Jude Heritage Medical Group.

Does Dr. Clelia Alexandra Clark accept Medicare?

Yes. CMS data shows Dr. Clark billed Medicare for 444 services in 2024, and Dr. Clark accepts Medicare assignment.

How many Medicare patients does Dr. Clelia Alexandra Clark see?

CMS counts 317 Medicare patients who saw Dr. Clark in 2024, with an average age of 76.

Is Dr. Clelia Alexandra Clark board certified?

Yes. Dr. Clark is board certified in emergency medicine by the American Board of Emergency Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Clelia Alexandra Clark bill to Medicare?

In 2024, Dr. Clark's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).

Where did Dr. Clelia Alexandra Clark go to medical school?

Dr. Clark graduated from UC Irvine School of Medicine in 2018.

What drugs does Dr. Clelia Alexandra Clark prescribe most?

In 2023 Medicare Part D data, Dr. Clark's most prescribed drugs by claims were Cephalexin and Amoxicillin-Clavulanate Potass.

Has Dr. Clelia Alexandra Clark received payments from drug or device companies?

CMS Open Payments shows $25 in general payments to Dr. Clark from 1 company from 2023 to 2023. The largest total came from Grifols Shared Services North America, Inc.

How long has Dr. Clelia Alexandra Clark been practicing?

Dr. Clark graduated from medical school in 2018, 8 years ago.

Does Dr. Clelia Alexandra Clark do research?

Dmand AI links 2 publications to Dr. Clark.

Who does Dr. Clelia Alexandra Clark publish with?

Dr. Clark's most frequent co-authors are Jessica G. Andrusaitis (2 shared papers), Shannon Louise Toohey, MD (2 shared papers) and Warren F. Wiechmann, MD (2 shared papers).

What insurance does Dr. Clelia Alexandra Clark accept?

Dr. Clark is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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