Dr. John Clarence Lipham, MD

  • Los Angeles, CA
  • General surgeon
NPI1639100845PAC ID6800893355
Medicare services, 2024
529
Medicare patients, 2024
291
Part D claims, 2024
12
Publications
19
Clinical trials
9
Practice address
1510 N San Pablo St, Los Angeles, CA 90033
Practice phone
Call (323) 442-9058
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Los Angeles - USC Healthcare Center 1

Los Angeles, California

See all 6 affiliations

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Dr. John Clarence Lipham is a general surgeon in Los Angeles, California

Dr. Lipham practices at Los Angeles - USC Healthcare Center 1 in Los Angeles, California.

Dr. Lipham's NPI, 1639100845, was assigned on July 5, 2006. Dr. Lipham graduated from Medical College Of Wisconsin in 1995. Dr. Lipham holds California license A62161.

NPI and contact details
Medicare PAC ID
6800893355
NPI enumeration date
July 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(323) 442-9058
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

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

Dr. John Clarence Lipham practices at Los Angeles - USC Healthcare Center 1 in Los Angeles, California

Dr. Lipham's primary practice is Los Angeles - USC Healthcare Center 1, at 1510 N San Pablo St, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-9058.

  • Los Angeles - USC Healthcare Center 1
    1510 N San Pablo St, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-9058

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

Dr. John Clarence Lipham is affiliated with 5 sites of care and 1 medical group

Dr. Lipham's primary practice is Los Angeles - USC Healthcare Center 1 in Los Angeles, California. Dr. Lipham is also affiliated with Keck Hospital of USC. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Lipham to 1 more hospital, 1 group practice or clinic and 1 other site, each named with a free account.

See all 6 affiliations for Dr. Lipham

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

Dmand AI tracks the EHR system at Dr. John Clarence Lipham's practice

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

EHR by site
SiteEHR vendor and product
Los Angeles - USC Healthcare Center 1Available with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Clarence Lipham is one of 2,926 general surgeons in California

Surgery is Dr. Lipham's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lipham is board certified in surgery by the American Board of Surgery. Dr. Lipham is licensed in California.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A62161 · 1997 to 2027 · taxonomy 208600000X

Clinical focus

Dmand AI lists esophagus, stomach, or upper small intestine surgery, gallbladder removal and upper GI endoscopy among the conditions Dr. Lipham treats.

General surgeons near Dr. Lipham

Counts of general surgeons 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 Clarence Lipham billed Medicare for 529 services in 2024

CMS data shows 529 Medicare services from Dr. Lipham across 11 procedure codes in 2024, for 291 Medicare patients. Medicare paid $113,076 for them.

Medicare services, 2024529
Medicare patients291
Paid by Medicare$113,076
Procedure codes11

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

  • 2023
  • 2024
Office and hospital visits
2023: 4532024: 27340%
Surgery
2023: 2432024: 2565%

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

  • In an office27352%
  • In a facility25648%

Dr. Lipham compared with the California median for general surgeons, 2024

  • Dr. Lipham
  • California median
Medicare services
529vs 1663.2 times
Medicare patients
291vs 1212.4 times
Part D claims
17vs 3450% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Lipham'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. Lipham

Need commercial claims for Dr. Lipham?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lipham and other general 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. John Clarence Lipham treated 291 Medicare patients in 2024, average age 74

CMS counts 291 Medicare patients who saw Dr. Lipham in 2024. The largest group is 65 to 74, with 149 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Lipham's median patient age at 68, with 60% women.

Medicare patients, 2024291
Average age74
Average risk score1.39
Also on Medicaid16%

Dr. Lipham's Medicare patients by age, 2024

Dr. Lipham's Medicare patients by sex, 2024

  • Women17159%
  • Men12041%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis63%
  4. Ischemic heart disease35%
  5. Mood disorders31%
  6. Anxiety30%
  7. Diabetes30%
  8. Depression29%

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

Dr. Lipham's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Dr. John Clarence Lipham wrote 12 Medicare Part D claims in 2024

In 2024, Dr. Lipham wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $7,172 in total drug cost. In 2020, CMS named 41 claims across 3 drugs.

Part D claims, 202412
Drugs named by CMS1
Total drug cost$7,172

Dr. Lipham's most prescribed drugs by claims, 2021

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. Lipham's Part D claims, 2024

  • Antibiotics92%11 of 12 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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 412021: 1759%

Drugs named by CMS: 1 in 2021, 3 in 2020.

See all prescribing by Dr. Lipham

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. John Clarence Lipham ranks in the 96th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Lipham accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lipham as offering telehealth. CMS counts 341 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Lipham, more than 96% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Lipham ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
96th percentile341 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. John Clarence Lipham has 19 publications on record

Dmand AI links 19 papers to Dr. Lipham, published from 2010 to 2020. 2018 was the busiest year, with 3. Dr. Lipham's most frequent co-authors are Nikolai Alexander Bildzukewicz, MD, Joerg Zehetner, MD and Tom Ryan Demeester, MD.

Papers19
Years published2010 to 2020

Dr. Lipham's papers by year, 2010 to 2020

Dr. Lipham's most frequent co-authors

Recent publications by Dr. Lipham

See all 19 publications and co-authors

See who Dr. Lipham researches with

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

How network discovery works

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

Dr. John Clarence Lipham has worked on 9 clinical trials

Dmand AI links Dr. Lipham to 9 clinical trials. 3 are still active or recruiting. Conditions studied include Gastroesophageal Reflux, Esophageal Motility Disorders and Hernia, Hiatal. Torax Medical Incorporated sponsors the most, 3.

Conditions in Dr. Lipham's trials

  • Gastroesophageal Reflux
  • Esophageal Motility Disorders
  • Hernia, Hiatal
  • Hernia, Diaphragmatic
  • Diabetes Mellitus, Type 2

Investigators on the most trials with Dr. Lipham

Recent clinical trials with Dr. Lipham

See all 9 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. John Clarence Lipham received $1,557,981 in industry payments from 2016 to 2025

CMS Open Payments shows 1,024 general payments to Dr. Lipham from 23 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 87% of the total. Medical Device Business Services, Inc. paid the most, $738,893. It also lists 4 research payments totaling $2,849 from 2017 to 2018.

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

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

$1.6Min total
  • Consulting fees$1,351,35187%
  • Travel and lodging$158,44110%
  • Food and beverage$29,8612%
  • Speaker and faculty fees$15,3121%
  • Other$3,0160%

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

Share is of all general payments to this clinician.

See all payments to Dr. Lipham

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

Dr. John Clarence Lipham has 1 award and honors on record

Dmand AI lists 1 award for Dr. Lipham.

Awards and honors for Dr. Lipham

  1. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. John Clarence Lipham graduated from Medical College Of Wisconsin

Dr. Lipham graduated from Medical College Of Wisconsin in 1995. Dr. Lipham is a member of ACS.

  1. Medical schoolMedical College Of Wisconsin
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. John Clarence Lipham accepts plans from 8 insurance carriers

Dr. Lipham is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • Molina

Plan types Dr. Lipham accepts, by number of carriers

  1. Medicare8
  2. PPO5
  3. HMO3
  4. POS3
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Clarence Lipham'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)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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. John Clarence Lipham

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 Clarence Lipham's NPI number?

Dr. John Clarence Lipham's NPI number is 1639100845. It was assigned on July 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Clarence Lipham?

Dr. John Clarence Lipham is a general surgeon in Los Angeles, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. John Clarence Lipham practice?

Dr. Lipham practices at 1510 N San Pablo St, Los Angeles, CA 90033. Dr. Lipham's primary practice is Los Angeles - USC Healthcare Center 1 in Los Angeles, California. Dmand AI also links Dr. Lipham to 1 hospital, 1 group practice or clinic and 1 other site.

What is Dr. John Clarence Lipham's office phone number?

The practice phone on file for Dr. Lipham is (323) 442-9058.

What is Dr. John Clarence Lipham's medical license number?

Dr. Lipham holds California license A62161.

Which hospitals is Dr. John Clarence Lipham affiliated with?

Dr. Lipham is affiliated with Keck Hospital of USC. Dmand AI links Dr. Lipham to 1 more hospital.

What medical group is Dr. John Clarence Lipham part of?

Dr. Lipham is linked to USC Care Medical Group.

Does Dr. John Clarence Lipham accept Medicare?

Yes. CMS data shows Dr. Lipham billed Medicare for 529 services in 2024, and Dr. Lipham accepts Medicare assignment.

Does Dr. John Clarence Lipham offer telehealth?

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

How many Medicare patients does Dr. John Clarence Lipham see?

CMS counts 291 Medicare patients who saw Dr. Lipham in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. John Clarence Lipham board certified?

Yes. Dr. Lipham is board certified in surgery by the American Board of Surgery.

What services does Dr. John Clarence Lipham bill to Medicare?

In 2024, Dr. Lipham's most billed Medicare services were surgery: digestive system (43239), office visit, established patient (99213) and office visit, established patient (99214).

Where did Dr. John Clarence Lipham go to medical school?

Dr. Lipham graduated from Medical College Of Wisconsin in 1995.

What drugs does Dr. John Clarence Lipham prescribe most?

In 2021 Medicare Part D data, Dr. Lipham's most prescribed drugs by claims were Dexilant.

Has Dr. John Clarence Lipham received payments from drug or device companies?

CMS Open Payments shows $1,557,981 in general payments to Dr. Lipham from 23 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.

How long has Dr. John Clarence Lipham been practicing?

Dr. Lipham graduated from medical school in 1995, 31 years ago.

Does Dr. John Clarence Lipham do research?

Dmand AI links 19 publications to Dr. Lipham, published from 2010 to 2020. Dr. Lipham has worked on 9 clinical trials.

Who does Dr. John Clarence Lipham publish with?

Dr. Lipham's most frequent co-authors are Nikolai Alexander Bildzukewicz, MD (8 shared papers), Joerg Zehetner, MD (7 shared papers) and Tom Ryan Demeester, MD (5 shared papers).

What insurance does Dr. John Clarence Lipham accept?

Dr. Lipham is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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