Dr. Alexandra Wertz Elias, MD

  • Bakersfield, CA
  • Colorectal surgeon
NPI1023443587PAC ID6002129780
Medicare services, 2024
80
Medicare patients, 2024
76
Part D claims, 2024
64
Publications
4
MIPS score, 2024
88
Practice address
9300 Stockdale Highway, Suite 200, Bakersfield, CA 93311
Practice phone
Call (661) 664-2200
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Kern Medical Surgery Center

Surgery Center - Medicare-Certified · Bakersfield, California

See all 4 affiliations

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Dr. Alexandra Wertz Elias is a colorectal surgeon in Bakersfield, California

Dr. Elias practices at Kern Medical Surgery Center in Bakersfield, California.

Dr. Elias' NPI, 1023443587, was assigned on September 3, 2013. Dr. Elias graduated from UC Davis School of Medicine in 2015. Dr. Elias holds California license A172962.

NPI and contact details
Medicare PAC ID
6002129780
NPI enumeration date
September 3, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(661) 664-2200
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
37
Medical school graduation
2015

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

Dr. Alexandra Wertz Elias practices at Kern Medical Surgery Center in Bakersfield, California

Dr. Elias' primary practice is Kern Medical Surgery Center, at 9300 Stockdale Highway, Suite 200, Bakersfield, CA 93311. The practice phone is (661) 664-2200.

  • Kern Medical Surgery Center
    9300 Stockdale Highway, Suite 200, Bakersfield, CA 93311Phone(661) 664-2200

Source: Dmand AI Affiliation Data

Dr. Alexandra Wertz Elias is affiliated with 3 sites of care and 1 medical group

Dr. Elias' primary practice is Kern Medical Surgery Center in Bakersfield, California. Dr. Elias is also affiliated with Adventist Health Bakersfield. The medical group on file is Kern Medical. Dmand AI also links Dr. Elias to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Elias

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

Dmand AI tracks the EHR system at Dr. Alexandra Wertz Elias' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Elias practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kern Medical Surgery CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alexandra Wertz Elias is one of 187 colorectal surgeons in California

Colon and rectal surgery is Dr. Elias' primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Elias is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Elias' licenses on file in 2 states: California and Florida.

Specialties and state licenses

  • Colon and rectal surgery, CaliforniaPrimaryLicense A172962 · 2021 to 2027 · taxonomy 208C00000X
  • Surgery, FloridaLicense ME130203 · 2016 to 2023 · taxonomy 208600000X

Clinical focus

Dmand AI lists colonoscopy, colon removal and hemorrhoids among the conditions Dr. Elias treats.

Colorectal surgeons near Dr. Elias

Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.

187colorectal surgeons in California
2colorectal surgeons in Bakersfield

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Alexandra Wertz Elias billed Medicare for 80 services in 2024

CMS data shows 80 Medicare services from Dr. Elias across 3 procedure codes in 2024, for 76 Medicare patients. Medicare paid $7,897 for them. Every service was in an office.

Medicare services, 202480
Medicare patients76
Paid by Medicare$7,897
Procedure codes3

Dr. Elias' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 402024: 5640%
Surgery
2023: 332024: 2427%

Dr. Elias compared with the California median for colorectal surgeons, 2024

  • Dr. Elias
  • California median
Medicare services
80vs 27070% below
Medicare patients
76vs 15551% below
Part D claims
29vs 7159% below

Medians across 175 colorectal surgeons in California with Dmand AI profiles that report each measure.

Dr. Elias' 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. Elias

Need commercial claims for Dr. Elias?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Elias and other colorectal 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. Alexandra Wertz Elias treated 76 Medicare patients in 2024, average age 69

CMS counts 76 Medicare patients who saw Dr. Elias in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 74% are also on Medicaid. Their average risk score is 1.83, 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. Elias' median patient age at 52, with 54% women.

Medicare patients, 202476
Average age69
Average risk score1.83
Also on Medicaid74%

Dr. Elias' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Elias' Medicare patients by sex, 2024

  • Women4964%
  • Men2736%

Chronic conditions among Dr. Elias' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis46%
  4. Diabetes45%
  5. Anxiety34%
  6. Cancer33%
  7. Depression32%
  8. Mood disorders32%

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

Dr. Elias' patients across all payers

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

Patient panel by age, all payers

Median age 52

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Dr. Alexandra Wertz Elias wrote 64 Medicare Part D claims in 2024

In 2024, Dr. Elias wrote 64 Medicare Part D claims for 37 patients. 75% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $250 in total drug cost. In 2020, CMS named 29 claims across 1 drug.

Part D claims, 202464
Drugs named by CMS2
Total drug cost$250
Part D patients37

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

  • Generic48 claims75%
  • Brand-name16 claims25%

Dr. Elias' 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, 2020 to 2024

  • 2020
  • 2024
Claims for drugs CMS names
2020: 292024: 29No change

Drugs named by CMS: 2 in 2024, 1 in 2020.

See all prescribing by Dr. Elias

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. Alexandra Wertz Elias scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Elias for performance year 2024, reported as part of a group. Dr. Elias accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Elias as offering telehealth. CMS counts 37 procedures of colonoscopy by Dr. Elias, more than 57% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Elias' MIPS scores, performance year 2024

  • 88of 100Final score
  • 47.7of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 82of 100Cost

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

Where Dr. Elias ranks in Medicare procedure volume

Colonoscopy
57th percentile37 procedures

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

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

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. Alexandra Wertz Elias has 4 publications on record

Dmand AI links 4 papers to Dr. Elias, published from 2017 to 2019. 2017 was the busiest year, with 2. Dr. Elias' most frequent co-authors are Dorin T. Colibaseanu, MD, Sanjay P. Bagaria, MD and Kristopher P. Croome, MD.

Papers4
Years published2017 to 2019

Dr. Elias' most frequent co-authors

Recent publications by Dr. Elias

See all 4 publications and co-authors

See who Dr. Elias researches with

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

How network discovery works

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

Dr. Alexandra Wertz Elias received $29,652 in industry payments from 2018 to 2025

CMS Open Payments shows 84 general payments to Dr. Elias from 12 drug and device companies from 2018 to 2025. Education make up the largest share, 66% of the total. Intuitive Surgical, Inc. paid the most, $28,562.

General payments to Dr. Elias by program year, 2018 to 2025

General payments to Dr. Elias by kind, 2018 to 2025

$29.7Kin total
  • Education$19,50066%
  • Travel and lodging$6,62622%
  • Food and beverage$3,24611%
  • Speaker and faculty fees$2251%
  • Gifts$550%

Companies that paid Dr. Elias the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Elias

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

Dr. Alexandra Wertz Elias graduated from UC Davis School of Medicine

Dr. Elias graduated from UC Davis School of Medicine in 2015.

  1. Medical schoolUC Davis School of Medicine
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery
  3. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Alexandra Wertz Elias accepts plans from 6 insurance carriers

Dr. Elias is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • GA State Medicaid

Plan types Dr. Elias accepts, by number of carriers

  1. Medicare5
  2. PPO4
  3. HMO1
  4. Medicaid1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Alexandra Wertz Elias'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)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)
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. Alexandra Wertz Elias

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. Alexandra Wertz Elias' NPI number?

Dr. Alexandra Wertz Elias' NPI number is 1023443587. It was assigned on September 3, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Alexandra Wertz Elias?

Dr. Alexandra Wertz Elias is a colorectal surgeon in Bakersfield, California. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Dr. Alexandra Wertz Elias practice?

Dr. Elias practices at 9300 Stockdale Highway, Suite 200, Bakersfield, CA 93311. Dr. Elias' primary practice is Kern Medical Surgery Center in Bakersfield, California. Dmand AI also links Dr. Elias to 1 hospital.

What is Dr. Alexandra Wertz Elias' office phone number?

The practice phone on file for Dr. Elias is (661) 664-2200.

What is Dr. Alexandra Wertz Elias' medical license number?

Dr. Elias holds California license A172962, one of the licenses on file in 2 states.

Which states has Dr. Alexandra Wertz Elias been licensed in?

Dmand AI has state licenses on file for Dr. Elias in California (2021 to 2027) and Florida (2016 to 2023).

Which hospitals is Dr. Alexandra Wertz Elias affiliated with?

Dr. Elias is affiliated with Adventist Health Bakersfield. Dmand AI links Dr. Elias to 1 more hospital.

What medical group is Dr. Alexandra Wertz Elias part of?

Dr. Elias is linked to Kern Medical.

Does Dr. Alexandra Wertz Elias accept Medicare?

Yes. CMS data shows Dr. Elias billed Medicare for 80 services in 2024, and Dr. Elias accepts Medicare assignment.

Does Dr. Alexandra Wertz Elias offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Elias as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Alexandra Wertz Elias' MIPS score?

Dr. Elias' MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Dr. Alexandra Wertz Elias see?

CMS counts 76 Medicare patients who saw Dr. Elias in 2024, with an average age of 69.

Is Dr. Alexandra Wertz Elias board certified?

Yes. Dr. Elias is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

What services does Dr. Alexandra Wertz Elias bill to Medicare?

In 2024, Dr. Elias' most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and surgery: digestive system (46600).

Where did Dr. Alexandra Wertz Elias go to medical school?

Dr. Elias graduated from UC Davis School of Medicine in 2015.

What drugs does Dr. Alexandra Wertz Elias prescribe most?

In 2024 Medicare Part D data, Dr. Elias' most prescribed drugs by claims were Peg-3350 And Electrolytes and Ondansetron ODT.

Has Dr. Alexandra Wertz Elias received payments from drug or device companies?

CMS Open Payments shows $29,652 in general payments to Dr. Elias from 12 companies from 2018 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Alexandra Wertz Elias been practicing?

Dr. Elias graduated from medical school in 2015, 11 years ago.

Does Dr. Alexandra Wertz Elias do research?

Dmand AI links 4 publications to Dr. Elias, published from 2017 to 2019.

Who does Dr. Alexandra Wertz Elias publish with?

Dr. Elias' most frequent co-authors are Dorin T. Colibaseanu, MD (4 shared papers), Sanjay P. Bagaria, MD (1 shared paper) and Kristopher P. Croome, MD (1 shared paper).

What insurance does Dr. Alexandra Wertz Elias accept?

Dr. Elias is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

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