Dr. Troy M. Lamar, MD
- Medicare services, 2024
- 74
- Medicare patients, 2024
- 69
- Part D claims, 2024
- 135
- Hospital affiliations
- 1
- Industry payments
- $11,537
- Practice address
- 51 North Fifth Ave, Suite101, Arcadia, CA 91006
- Practice phone
- Call (626) 471-9901
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Specialty Surgical Center of Arcadia
Surgery Center - Medicare-Certified · Arcadia, California
Find Dr. Lamar's 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.
Dr. Troy M. Lamar is a general surgeon in Arcadia, California
Dr. Lamar practices at Specialty Surgical Center of Arcadia in Arcadia, California.
Dr. Lamar's NPI, 1376629030, was assigned on October 27, 2006. Dr. Lamar graduated from University of Wisconsin-Madison in 1992. Dr. Lamar holds California license G77568.
- NPI
- 1376629030NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668424151
- NPI enumeration date
- October 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 471-9901
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Troy M. Lamar practices at Specialty Surgical Center of Arcadia in Arcadia, California
Dr. Lamar's primary practice is Specialty Surgical Center of Arcadia, at 51 North Fifth Ave, Suite101, Arcadia, CA 91006. The practice phone is (626) 471-9901.
- Specialty Surgical Center of Arcadia51 North Fifth Ave, Suite101, Arcadia, CA 91006Phone(626) 471-9901
Source: Dmand AI Affiliation Data
Dr. Troy M. Lamar is affiliated with 3 sites of care and 1 medical group
Dr. Lamar's primary practice is Specialty Surgical Center of Arcadia in Arcadia, California. Dr. Lamar is also affiliated with USC Arcadia Hospital. The medical group on file is Adventist Health Physicians Network. Dmand AI also links Dr. Lamar to 1 more physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Troy M. Lamar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lamar practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Specialty Surgical Center of Arcadia | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Troy M. Lamar is one of 2,926 general surgeons in California
Surgery is Dr. Lamar's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lamar is board certified in surgery by the American Board of Surgery. Dr. Lamar is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, bariatric surgery, colon removal, gallbladder removal and groin hernia surgery among the conditions Dr. Lamar treats.
General surgeons near Dr. Lamar
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. Troy M. Lamar billed Medicare for 74 services in 2024
CMS data shows 74 Medicare services from Dr. Lamar across 3 procedure codes in 2024, all of them office visits, for 69 Medicare patients. Medicare paid $6,737 for them. Every service was in an office.
Dr. Lamar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 672024: 7410%
Dr. Lamar compared with the California median for general surgeons, 2024
- Dr. Lamar
- California median
- Medicare services
- 74vs 16655% below
- Medicare patients
- 69vs 12143% below
- Part D claims
- 89vs 342.6 times
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Lamar'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lamar and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Troy M. Lamar treated 69 Medicare patients in 2024, average age 70
CMS counts 69 Medicare patients who saw Dr. Lamar in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lamar's median patient age at 50, with 67% women.
Dr. Lamar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lamar's Medicare patients by sex, 2024
- Women3551%
- Men3449%
Chronic conditions among Dr. Lamar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes52%
- Arthritis48%
- Mood disorders36%
- Ischemic heart disease33%
- Depression28%
- Anxiety25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lamar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Troy M. Lamar wrote 135 Medicare Part D claims in 2024
In 2024, Dr. Lamar wrote 135 Medicare Part D claims for 86 patients. 100% of them were for generic drugs. CMS names the drug for 89 of them, across 2 drugs with 11 or more claims each, at $431 in total drug cost. In 2023, CMS named 98 claims across 2 drugs.
Dr. Lamar'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. Lamar's Part D claims, 2024
- Opioids57%77 of 135 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: 982024: 899%
Drugs named by CMS: 2 in 2024, 2 in 2023.
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. Troy M. Lamar ranks in the 80th percentile for hernia repair (minimally invasive) in Medicare
Dr. Lamar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lamar as offering telehealth. CMS counts 14 procedures of hernia repair (minimally invasive) by Dr. Lamar, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Lamar ranks in Medicare procedure volume
- Varicose vein removal
- 70th percentile39 procedures
- Hernia repair (minimally invasive)
- 80th percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Troy M. Lamar received $11,537 in industry payments from 2016 to 2025
CMS Open Payments shows 90 general payments to Dr. Lamar from 18 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 69% of the total. Intuitive Surgical, Inc. paid the most, $8,567.
General payments to Dr. Lamar by program year, 2016 to 2025
General payments to Dr. Lamar by kind, 2016 to 2025
- Speaker and faculty fees$8,00069%
- Food and beverage$2,39121%
- Travel and lodging$6466%
- Honoraria$5004%
Companies that paid Dr. Lamar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Troy M. Lamar has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Lamar, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Lamar
- 2011
- CMS Stage 1 2012
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Troy M. Lamar graduated from University of Wisconsin-Madison
Dr. Lamar graduated from University of Wisconsin-Madison in 1992. Dr. Lamar is a member of ACS and ASMBS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Troy M. Lamar accepts plans from 17 insurance carriers
Dr. Lamar is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- LA Care
- Blue Cross Blue Shield of Massachusetts
- +9 more carriersWith a free account
Plan types Dr. Lamar accepts, by number of carriers
- Medicare11
- PPO10
- HMO8
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Troy M. Lamar's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Troy M. Lamar
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. Troy M. Lamar's NPI number?
Dr. Troy M. Lamar's NPI number is 1376629030. It was assigned on October 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Troy M. Lamar?
Dr. Troy M. Lamar is a general surgeon in Arcadia, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Troy M. Lamar practice?
Dr. Lamar practices at 51 North Fifth Ave, Suite101, Arcadia, CA 91006. Dr. Lamar's primary practice is Specialty Surgical Center of Arcadia in Arcadia, California. Dmand AI also links Dr. Lamar to 1 physician office.
What is Dr. Troy M. Lamar's office phone number?
The practice phone on file for Dr. Lamar is (626) 471-9901.
What is Dr. Troy M. Lamar's medical license number?
Dr. Lamar holds California license G77568.
Which hospitals is Dr. Troy M. Lamar affiliated with?
Dr. Lamar is affiliated with USC Arcadia Hospital.
What medical group is Dr. Troy M. Lamar part of?
Dr. Lamar is linked to Adventist Health Physicians Network.
Does Dr. Troy M. Lamar accept Medicare?
Yes. CMS data shows Dr. Lamar billed Medicare for 74 services in 2024, and Dr. Lamar accepts Medicare assignment.
Does Dr. Troy M. Lamar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lamar as offering telehealth services.
How many Medicare patients does Dr. Troy M. Lamar see?
CMS counts 69 Medicare patients who saw Dr. Lamar in 2024, with an average age of 70.
Show 7 more questionsShow fewer questions
Is Dr. Troy M. Lamar board certified?
Yes. Dr. Lamar is board certified in surgery by the American Board of Surgery.
What services does Dr. Troy M. Lamar bill to Medicare?
In 2024, Dr. Lamar's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. Troy M. Lamar go to medical school?
Dr. Lamar graduated from University of Wisconsin-Madison in 1992.
What drugs does Dr. Troy M. Lamar prescribe most?
In 2024 Medicare Part D data, Dr. Lamar's most prescribed drugs by claims were Tramadol HCl and Sucralfate.
Has Dr. Troy M. Lamar received payments from drug or device companies?
CMS Open Payments shows $11,537 in general payments to Dr. Lamar from 18 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Troy M. Lamar been practicing?
Dr. Lamar graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Troy M. Lamar accept?
Dr. Lamar is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
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