Dr. Katie L. Marks, MD

  • Culver City, CA
  • Internist
NPI1154596047PAC ID3274704135
Medicare services, 2024
69
Medicare patients, 2024
30
Part D claims, 2024
137
Publications
2
Industry payments
$7,719
Practice address
3831 S Hughes Ave, Culver City, CA 90232
Practice phone
Call (310) 982-2004
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Evolve Surgery Center, LLC

Culver City, California

See all 2 affiliations

Find Dr. Marks' professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Katie L. Marks is an internist in Culver City, California

Dr. Marks practices at Evolve Surgery Center, LLC in Culver City, California.

Dr. Marks' NPI, 1154596047, was assigned on April 23, 2008. Dr. Marks graduated from University of Maryland School of Medicine - Baltimore in 2005. Dr. Marks holds California license A116095.

NPI and contact details
Medicare PAC ID
3274704135
NPI enumeration date
April 23, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(310) 982-2004
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
47
Medical school graduation
2005

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

Dr. Katie L. Marks practices at Evolve Surgery Center, LLC in Culver City, California

Dr. Marks' primary practice is Evolve Surgery Center, LLC, at 3831 S Hughes Ave, Culver City, CA 90232 in Los Angeles County. The practice phone is (310) 982-2004.

  • Evolve Surgery Center, LLC
    3831 S Hughes Ave, Culver City, CA 90232 · Los Angeles CountyPhone(310) 982-2004

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

Dr. Katie L. Marks is affiliated with 2 sites of care

Dr. Marks' primary practice is Evolve Surgery Center, LLC in Culver City, California. Dmand AI also links Dr. Marks to 1 physician office, named with a free account.

Evolve Surgery Center, LLCCulver City, CaliforniaPrimary
1 physician officeName with a free account
See all 2 affiliations for Dr. Marks

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

Dmand AI tracks the EHR system at Dr. Katie L. Marks' practice

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

EHR by site
SiteEHR vendor and product
Evolve Surgery Center, LLCAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Marks practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Katie L. Marks is one of 16,751 internists in California

Internal medicine is Dr. Marks' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Marks is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Marks' licenses on file in 3 states: California, Illinois and Pennsylvania.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A116095 · 2011 to 2027 · taxonomy 207R00000X
  • Illinois license2005 to 2011
  • Pennsylvania license2008 to 2011

Clinical focus

Dmand AI lists asthma, chronic nasal allergies and hives among the conditions Dr. Marks treats.

Internists near Dr. Marks

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. Katie L. Marks billed Medicare for 69 services in 2024

CMS data shows 69 Medicare services from Dr. Marks across 2 procedure codes in 2024, all of them office visits, for 30 Medicare patients. Medicare paid $10,786 for them. Every service was in an office.

Medicare services, 202469
Medicare patients30
Paid by Medicare$10,786
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 522024: 6933%

Dr. Marks compared with the California median for internists, 2024

  • Dr. Marks
  • California median
Medicare services
69vs 36181% below
Medicare patients
30vs 15180% below
Part D claims
35vs 42192% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Marks' 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. Marks

Need commercial claims for Dr. Marks?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marks and other internists in California.

Book a meeting

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

Dr. Katie L. Marks treated 30 Medicare patients in 2024, average age 73

CMS counts 30 Medicare patients who saw Dr. Marks in 2024. The largest group is 65 to 74, with 17 patients. 67% of them have high cholesterol, and 53% have high blood pressure. Their average risk score is 0.77, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Marks' median patient age at 39, with 57% women.

Medicare patients, 202430
Average age73
Average risk score0.77

Dr. Marks' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Marks' Medicare patients, 2024

  1. High cholesterol67%
  2. High blood pressure53%
  3. Arthritis50%

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

Dr. Marks' patients across all payers

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

Patient panel by age, all payers

Median age 39

Patient panel by sex, all payers

  • Women57%
  • Men41%

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

Dr. Katie L. Marks wrote 137 Medicare Part D claims in 2024

In 2024, Dr. Marks wrote 137 Medicare Part D claims for 32 patients. 56% of them were for generic drugs. CMS names the drug for 35 of them, across 3 drugs with 11 or more claims each, at $8,886 in total drug cost. In 2023, CMS named 34 claims across 3 drugs.

Part D claims, 2024137
Drugs named by CMS3
Total drug cost$8,886
Part D patients32

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

  • Generic77 claims56%
  • Brand-name60 claims44%

Dr. Marks' 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. Marks' Part D claims, 2024

  • Antibiotics8%11 of 137 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: 342024: 353%

Drugs named by CMS: 3 in 2024, 3 in 2023.

See all prescribing by Dr. Marks

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. Katie L. Marks takes part in Medicare

Dr. Marks 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)

For MedTech and pharma teams

Find internists like Dr. Marks by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Katie L. Marks has 2 publications on record

Dmand AI links 2 papers to Dr. Marks in 2012. Dr. Marks' most frequent co-authors are Chris A. Liacouras, MD and Jonathan M. Spergel, MD.

Papers2

Dr. Marks' most frequent co-authors

Recent publications by Dr. Marks

See all 2 publications and co-authors

See who Dr. Marks researches with

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

How network discovery works

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

Dr. Katie L. Marks received $7,719 in industry payments from 2016 to 2025

CMS Open Payments shows 313 general payments to Dr. Marks from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $1,685.

General payments to Dr. Marks by program year, 2016 to 2025

Companies that paid Dr. Marks the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Marks

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

Dr. Katie L. Marks has 6 awards and honors on record

Dmand AI lists 6 awards for Dr. Marks.

Awards and honors for Dr. Marks

  1. Undated
    • Alpha Epsilon Delta Pre-Medical Honor Society
    • Alpha Lambda Delta National Honor Fraternity
    • Dean’s Award for Academic Excellence
    • Dean’s List
    • Graduated Cum Laude from UMD
    • Honors received in Internal Medicine and Neurology clerkships

Source: Dmand AI Professional Profile Data

Dr. Katie L. Marks graduated from University of Maryland School of Medicine - Baltimore

Dr. Marks graduated from University of Maryland School of Medicine - Baltimore in 2005.

  1. Medical schoolUniversity of Maryland School of Medicine - Baltimore
  2. Board certified in allergy & immunologyAmerican Board of Allergy and Immunology

Source: Dmand AI Professional Profile Data

Dr. Katie L. Marks accepts plans from 2 insurance carriers

Dr. Marks is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Aetna
  • CMS Medicare

Plan types Dr. Marks accepts, by number of carriers

  1. Medicare2
  2. EPO1
  3. HMO1
  4. POS1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Katie L. Marks'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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. Katie L. Marks

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. Katie L. Marks' NPI number?

Dr. Katie L. Marks' NPI number is 1154596047. It was assigned on April 23, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Katie L. Marks?

Dr. Katie L. Marks is an internist in Culver City, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Katie L. Marks practice?

Dr. Marks practices at 3831 S Hughes Ave, Culver City, CA 90232. Dr. Marks' primary practice is Evolve Surgery Center, LLC in Culver City, California. Dmand AI also links Dr. Marks to 1 physician office.

What is Dr. Katie L. Marks' office phone number?

The practice phone on file for Dr. Marks is (310) 982-2004.

What is Dr. Katie L. Marks' medical license number?

Dr. Marks holds California license A116095, one of the licenses on file in 3 states.

Which states has Dr. Katie L. Marks been licensed in?

Dmand AI has state licenses on file for Dr. Marks in California (2011 to 2027), Illinois (2005 to 2011) and Pennsylvania (2008 to 2011).

Does Dr. Katie L. Marks accept Medicare?

Yes. CMS data shows Dr. Marks billed Medicare for 69 services in 2024, and Dr. Marks accepts Medicare assignment.

How many Medicare patients does Dr. Katie L. Marks see?

CMS counts 30 Medicare patients who saw Dr. Marks in 2024, with an average age of 73.

Is Dr. Katie L. Marks board certified?

Yes. Dr. Marks is board certified in allergy & immunology by the American Board of Allergy and Immunology.

What services does Dr. Katie L. Marks bill to Medicare?

In 2024, Dr. Marks' most billed Medicare services were office visit, established patient (99215) and office visit, new patient (99205).

Show 7 more questionsShow fewer questions

Where did Dr. Katie L. Marks go to medical school?

Dr. Marks graduated from University of Maryland School of Medicine - Baltimore in 2005.

What drugs does Dr. Katie L. Marks prescribe most?

In 2024 Medicare Part D data, Dr. Marks' most prescribed drugs by claims were Breyna, Famotidine and Xhance.

Has Dr. Katie L. Marks received payments from drug or device companies?

CMS Open Payments shows $7,719 in general payments to Dr. Marks from 27 companies from 2016 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.

How long has Dr. Katie L. Marks been practicing?

Dr. Marks graduated from medical school in 2005, 21 years ago.

Does Dr. Katie L. Marks do research?

Dmand AI links 2 publications to Dr. Marks.

Who does Dr. Katie L. Marks publish with?

Dr. Marks' most frequent co-authors are Chris A. Liacouras, MD (1 shared paper) and Jonathan M. Spergel, MD (1 shared paper).

What insurance does Dr. Katie L. Marks accept?

Dr. Marks is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

Selling to internal medicine practices?

See internists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)