Dr. Mark Lott, MD

  • Inglewood, CA
  • Gastroenterologist
NPI1821192139PAC ID2365492857
Medicare services, 2024
1,281
Medicare patients, 2024
419
Part D claims, 2024
759
Publications
1
MIPS score, 2024
75
Practice address
575 E Hardy St, Inglewood, CA 90301
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Centinela Valley Endoscopy Center - HOPD

Acute Care Hospital outpatient department · Inglewood, California

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Dr. Mark Lott is a gastroenterologist in Inglewood, California

Dr. Lott practices at Centinela Valley Endoscopy Center - HOPD in Inglewood, California.

Dr. Lott's NPI, 1821192139, was assigned on September 8, 2006. Dr. Lott graduated from Howard University College Of Medicine in 1982. Dr. Lott holds California license G85987.

NPI and contact details
Medicare PAC ID
2365492857
NPI enumeration date
September 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
70
Medical school graduation
1982

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

Dr. Mark Lott practices at Centinela Valley Endoscopy Center - HOPD in Inglewood, California

Dr. Lott's primary practice is Centinela Valley Endoscopy Center - HOPD, at 575 E Hardy St, Inglewood, CA 90301.

  • Centinela Valley Endoscopy Center - HOPD
    575 E Hardy St, Inglewood, CA 90301

Source: Dmand AI Affiliation Data

Dr. Mark Lott is affiliated with 3 sites of care and 1 medical group

Dr. Lott's primary practice is Centinela Valley Endoscopy Center - HOPD in Inglewood, California. Dr. Lott is also affiliated with Centinela Hospital Medical Center. The medical group on file is Coast Gastroenterology. Dmand AI also links Dr. Lott to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Lott

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Mark Lott's practice

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

EHR by site
SiteEHR vendor and product
Centinela Valley Endoscopy Center - HOPDAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mark Lott is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Lott's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Lott is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Lott's licenses on file in 2 states: California and Louisiana.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense G85987 · 2001 to 2026 · taxonomy 207RG0100X
  • Louisiana license1987 to 2008

Clinical focus

Dmand AI lists acid reflux, acute gastroduodenitis, chronic indigestion, chronic inflammatory bowel disease (IBD), colonoscopy, gastroduodenitis, gastroenteritis and gastrointestinal bleeding among the conditions Dr. Lott treats.

Gastroenterologists near Dr. Lott

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

1,977gastroenterologists in California
3gastroenterologists in Inglewood

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

Dr. Mark Lott billed Medicare for 1,281 services in 2024

CMS data shows 1,281 Medicare services from Dr. Lott across 15 procedure codes in 2024, for 419 Medicare patients. Medicare paid $116,199 for them.

Medicare services, 20241,281
Medicare patients419
Paid by Medicare$116,199
Procedure codes15

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,2082024: 1,1029%
Surgery
2023: 1122024: 1229%
Other services
2023: 622024: 578%

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

  • In an office29623%
  • In a facility98577%

Dr. Lott compared with the California median for gastroenterologists, 2024

  • Dr. Lott
  • California median
Medicare services
1,281vs 5862.2 times
Medicare patients
419vs 30239% above
Part D claims
640vs 38068% above

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. Lott'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. Lott

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

Dr. Mark Lott treated 419 Medicare patients in 2024, average age 73

CMS counts 419 Medicare patients who saw Dr. Lott in 2024. The largest group is 65 to 74, with 179 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 82% are also on Medicaid. Their average risk score is 2.72, 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. Lott's median patient age at 59, with 62% women.

Medicare patients, 2024419
Average age73
Average risk score2.72
Also on Medicaid82%

Dr. Lott's Medicare patients by age, 2024

Dr. Lott's Medicare patients by sex, 2024

  • Women23957%
  • Men18043%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes59%
  4. Arthritis57%
  5. Chronic kidney disease47%
  6. Ischemic heart disease46%
  7. Heart failure44%
  8. COPD37%

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

Dr. Lott'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

  • Women62%
  • Men38%

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

Dr. Mark Lott wrote 759 Medicare Part D claims in 2024

In 2024, Dr. Lott wrote 759 Medicare Part D claims for 362 patients. 87% of them were for generic drugs. CMS names the drug for 640 of them, across 15 drugs with 11 or more claims each, at $207,339 in total drug cost. In 2023, CMS named 598 claims across 14 drugs.

Part D claims, 2024759
Drugs named by CMS15
Total drug cost$207,339
Part D patients362

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

  • Generic660 claims87%
  • Brand-name99 claims13%

Dr. Lott'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. Lott's Part D claims, 2024

  • Antibiotics6%43 of 759 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: 5982024: 6407%

Drugs named by CMS: 15 in 2024, 14 in 2023.

See all prescribing by Dr. Lott

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. Mark Lott scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Lott for performance year 2024, reported individually. Dr. Lott accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lott as offering telehealth. CMS counts 90 procedures of colonoscopy by Dr. Lott, more than 77% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes
MIPS final score, 2024
75 of 100

Where Dr. Lott ranks in Medicare procedure volume

Colonoscopy
77th percentile90 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
68th percentile65 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. Mark Lott has 1 publication on record

Dmand AI links 1 paper to Dr. Lott in 2016. Dr. Lott's most frequent co-author is Susan J. Woolford, MD.

Papers1

Dr. Lott's most frequent co-authors

Recent publications by Dr. Lott

See all 1 publications and co-authors

See who Dr. Lott researches with

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

How network discovery works

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

Dr. Mark Lott received $9,100 in industry payments from 2016 to 2025

CMS Open Payments shows 369 general payments to Dr. Lott from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 80% of the total. Bausch Health Americas, Inc. paid the most, $2,381.

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

General payments to Dr. Lott by kind, 2016 to 2025

$9.1Kin total
  • Food and beverage$7,28180%
  • Grants$1,66718%
  • Gifts$1462%
  • Education$70%

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

Share is of all general payments to this clinician.

See all payments to Dr. Lott

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

Dr. Mark Lott graduated from Howard University College Of Medicine

Dr. Lott graduated from Howard University College Of Medicine in 1982.

  1. Medical schoolHoward University College Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Mark Lott accepts plans from 7 insurance carriers

Dr. Lott is in network with 7 carriers, including Aetna, Humana and LA Care. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Humana
  • LA Care
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • CMS Medicare

Plan types Dr. Lott accepts, by number of carriers

  1. Medicare7
  2. HMO4
  3. PPO4
  4. EPO1
  5. Medicaid1
  6. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Mark Lott'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 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. Mark Lott

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. Mark Lott's NPI number?

Dr. Mark Lott's NPI number is 1821192139. It was assigned on September 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark Lott?

Dr. Mark Lott is a gastroenterologist in Inglewood, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Mark Lott practice?

Dr. Lott practices at 575 E Hardy St, Inglewood, CA 90301. Dr. Lott's primary practice is Centinela Valley Endoscopy Center - HOPD in Inglewood, California. Dmand AI also links Dr. Lott to 1 group practice or clinic.

What is Dr. Mark Lott's medical license number?

Dr. Lott holds California license G85987, one of the licenses on file in 2 states.

Which states has Dr. Mark Lott been licensed in?

Dmand AI has state licenses on file for Dr. Lott in California (2001 to 2026) and Louisiana (1987 to 2008).

Which hospitals is Dr. Mark Lott affiliated with?

Dr. Lott is affiliated with Centinela Hospital Medical Center.

What medical group is Dr. Mark Lott part of?

Dr. Lott is linked to Coast Gastroenterology.

Does Dr. Mark Lott accept Medicare?

Yes. CMS data shows Dr. Lott billed Medicare for 1,281 services in 2024, and Dr. Lott accepts Medicare assignment.

Does Dr. Mark Lott offer telehealth?

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

What is Dr. Mark Lott's MIPS score?

Dr. Lott's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Mark Lott see?

CMS counts 419 Medicare patients who saw Dr. Lott in 2024, with an average age of 73.

Is Dr. Mark Lott board certified?

Yes. Dr. Lott is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Mark Lott bill to Medicare?

In 2024, Dr. Lott's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).

Where did Dr. Mark Lott go to medical school?

Dr. Lott graduated from Howard University College Of Medicine in 1982.

What drugs does Dr. Mark Lott prescribe most?

In 2024 Medicare Part D data, Dr. Lott's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Famotidine and Gavilyte-G.

Has Dr. Mark Lott received payments from drug or device companies?

CMS Open Payments shows $9,100 in general payments to Dr. Lott from 18 companies from 2016 to 2025. The largest total came from Bausch Health Americas, Inc.

How long has Dr. Mark Lott been practicing?

Dr. Lott graduated from medical school in 1982, 44 years ago.

Does Dr. Mark Lott do research?

Dmand AI links 1 publication to Dr. Lott.

Who does Dr. Mark Lott publish with?

Dr. Lott's most frequent co-authors are Susan J. Woolford, MD (1 shared paper).

What insurance does Dr. Mark Lott accept?

Dr. Lott is in network with 7 carriers, including Aetna, Humana and LA Care. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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