Dr. John Littleton Anderson, MD

  • Inglewood, CA
  • Anesthesiologist
NPI1902859390PAC ID1052418860
Medicare services, 2024
89
Medicare patients, 2024
184
Part D claims, 2024
81
Hospital affiliations
1
Industry payments
$679
Practice address
555 East Hardy Street, Inglewood, CA 90301
Practice phone
Call (310) 673-4660
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Centinela Hospital Medical Center

Hospital · Inglewood, California

See all 7 affiliations

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Dr. John Littleton Anderson is an anesthesiologist in Inglewood, California

Dr. Anderson practices at Centinela Hospital Medical Center in Inglewood, California, part of Prime Healthcare Services.

Dr. Anderson's NPI, 1902859390, was assigned on May 18, 2006. Dr. Anderson graduated from VCU School of Medicine in 1983. Dr. Anderson holds California license G54092.

NPI and contact details
Medicare PAC ID
1052418860
NPI enumeration date
May 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(310) 673-4660
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

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

Dr. John Littleton Anderson practices at Centinela Hospital Medical Center in Inglewood, California

Dr. Anderson's primary practice is Centinela Hospital Medical Center, at 555 East Hardy Street, Inglewood, CA 90301 in Los Angeles County. The practice phone is (310) 673-4660.

Source: Dmand AI Affiliation Data

Dr. John Littleton Anderson is affiliated with 4 sites of care and 3 medical groups

Dr. Anderson's primary practice is Centinela Hospital Medical Center in Inglewood, California, part of Prime Healthcare Services. The medical group on file is Landmark Anesthesia Medical Group. Dmand AI also links Dr. Anderson to 3 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Anderson

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

Dmand AI tracks the EHR system at Dr. John Littleton Anderson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Anderson practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Centinela Hospital Medical CenterAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Littleton Anderson is one of 6,593 anesthesiologists in California

Anesthesiology is Dr. Anderson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Anderson is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Anderson is licensed in California.

Specialties and state licenses

  • Anesthesiology, CaliforniaPrimaryLicense G54092 · 1984 to 2026 · taxonomy 207L00000X

Anesthesiologists near Dr. Anderson

Counts of anesthesiologists 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. John Littleton Anderson billed Medicare for 89 services in 2024

CMS data shows 89 Medicare services from Dr. Anderson across 4 procedure codes in 2024, for 184 Medicare patients. Medicare paid $14,216 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202489
Medicare patients184
Paid by Medicare$14,216
Procedure codes4

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

  • 2023
  • 2024
Anesthesia
2023: 482024: 7760%
Surgery
2023: 02024: 12

Dr. Anderson compared with the California median for anesthesiologists, 2024

  • Dr. Anderson
  • California median
Medicare services
89vs 7224% above
Medicare patients
184vs 14329% above
Part D claims
72vs 233.1 times

Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.

Dr. Anderson'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. Anderson

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

Dr. John Littleton Anderson treated 184 Medicare patients in 2024, average age 73

CMS counts 184 Medicare patients who saw Dr. Anderson in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 84% are also on Medicaid. Their average risk score is 3.46, 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. Anderson's median patient age at 56, with 50% women.

Medicare patients, 2024184
Average age73
Average risk score3.46
Also on Medicaid84%

Dr. Anderson's Medicare patients by age, 2024

Dr. Anderson's Medicare patients by sex, 2024

  • Women9753%
  • Men8747%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes62%
  4. Arthritis60%
  5. Heart failure53%
  6. Chronic kidney disease52%
  7. Ischemic heart disease47%
  8. COPD42%

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

Dr. Anderson's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

Dr. John Littleton Anderson wrote 81 Medicare Part D claims in 2024

In 2024, Dr. Anderson wrote 81 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 72 of them, across 6 drugs with 11 or more claims each, at $345 in total drug cost. In 2023, CMS named 72 claims across 6 drugs.

Part D claims, 202481
Drugs named by CMS6
Total drug cost$345

Dr. Anderson'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 722024: 72No change

Drugs named by CMS: 6 in 2024, 6 in 2023.

See all prescribing by Dr. Anderson

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. John Littleton Anderson takes part in Medicare

Dr. Anderson 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. John Littleton Anderson received $679 in industry payments from 2016 to 2024

CMS Open Payments shows 7 general payments to Dr. Anderson from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $145.

General payments to Dr. Anderson by program year, 2016 to 2024

Companies that paid Dr. Anderson the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Anderson

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

Dr. John Littleton Anderson graduated from VCU School of Medicine

Dr. Anderson graduated from VCU School of Medicine in 1983.

  1. Medical schoolVCU School of Medicine
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. John Littleton Anderson accepts plans from 1 insurance carrier

Dr. Anderson is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare

Source: Dmand AI Insurance Network Data

Sources for Dr. John Littleton Anderson'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)
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. John Littleton Anderson

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. John Littleton Anderson's NPI number?

Dr. John Littleton Anderson's NPI number is 1902859390. It was assigned on May 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Littleton Anderson?

Dr. John Littleton Anderson is an anesthesiologist in Inglewood, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. John Littleton Anderson practice?

Dr. Anderson practices at 555 East Hardy Street, Inglewood, CA 90301. Dr. Anderson's primary practice is Centinela Hospital Medical Center in Inglewood, California, part of Prime Healthcare Services. Dmand AI also links Dr. Anderson to 3 group practices and clinics and 2 medical groups.

What is Dr. John Littleton Anderson's office phone number?

The practice phone on file for Dr. Anderson is (310) 673-4660.

What is Dr. John Littleton Anderson's medical license number?

Dr. Anderson holds California license G54092.

Which hospitals is Dr. John Littleton Anderson affiliated with?

Dr. Anderson practices at Centinela Hospital Medical Center in Inglewood, California.

What medical group is Dr. John Littleton Anderson part of?

Dr. Anderson is linked to Landmark Anesthesia Medical Group. Dmand AI links Dr. Anderson to 2 more medical groups.

Does Dr. John Littleton Anderson accept Medicare?

Yes. CMS data shows Dr. Anderson billed Medicare for 89 services in 2024, and Dr. Anderson accepts Medicare assignment.

How many Medicare patients does Dr. John Littleton Anderson see?

CMS counts 184 Medicare patients who saw Dr. Anderson in 2024, with an average age of 73.

Is Dr. John Littleton Anderson board certified?

Yes. Dr. Anderson is board certified in anesthesiology by the American Board of Anesthesiology.

Show 6 more questionsShow fewer questions

What services does Dr. John Littleton Anderson bill to Medicare?

In 2024, Dr. Anderson's most billed Medicare services were anesthesia (00731), anesthesia (00142) and anesthesia (00670).

Where did Dr. John Littleton Anderson go to medical school?

Dr. Anderson graduated from VCU School of Medicine in 1983.

What drugs does Dr. John Littleton Anderson prescribe most?

In 2024 Medicare Part D data, Dr. Anderson's most prescribed drugs by claims were Bisoprolol Fumarate, Losartan Potassium and Minoxidil.

Has Dr. John Littleton Anderson received payments from drug or device companies?

CMS Open Payments shows $679 in general payments to Dr. Anderson from 6 companies from 2016 to 2024. The largest total came from Abbott Laboratories.

How long has Dr. John Littleton Anderson been practicing?

Dr. Anderson graduated from medical school in 1983, 43 years ago.

What insurance does Dr. John Littleton Anderson accept?

Dr. Anderson is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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