Dr. Jeffrey Scott Hamaker, MD
- Medicare services, 2024
- 278
- Medicare patients, 2024
- 156
- Part D claims, 2024
- 183
- Hospital affiliations
- 4
- Industry payments
- $12,419
- Practice address
- 1201 West Frank Street, Lufkin, TX 75901
- Practice phone
- Call (936) 634-8111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hamaker's professional email, personal email and mobile number
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Dr. Jeffrey Scott Hamaker is a general surgeon in Lufkin, Texas
Dr. Hamaker practices at St. Luke's Health - Memorial Hospital - Lufkin, TX in Lufkin, Texas, part of CommonSpirit Health.
Dr. Hamaker's NPI, 1699119545, was assigned on April 22, 2013. Dr. Hamaker graduated from Baylor College of Medicine in 2013. Dr. Hamaker holds Texas license BP10047354.
- NPI
- 1699119545NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466737689
- NPI enumeration date
- April 22, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (936) 634-8111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey Scott Hamaker practices at St. Luke's Health - Memorial Hospital - Lufkin, TX in Lufkin, Texas
Dr. Hamaker's primary practice is St. Luke's Health - Memorial Hospital - Lufkin, TX, at 1201 West Frank Street, Lufkin, TX 75901 in Angelina County. The practice phone is (936) 634-8111.
- St. Luke's Health - Memorial Hospital - Lufkin, TX1201 West Frank Street, Lufkin, TX 75901 · Angelina CountyPhone(936) 634-8111
Source: Dmand AI Affiliation Data
Dr. Jeffrey Scott Hamaker is affiliated with 5 sites of care and 1 medical group
Dr. Hamaker's primary practice is St. Luke's Health - Memorial Hospital - Lufkin, TX in Lufkin, Texas, part of CommonSpirit Health. Dr. Hamaker is also affiliated with Woodland Heights Medical Center. The medical group on file is Angelina Surgical Associates. Dmand AI also links Dr. Hamaker to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey Scott Hamaker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hamaker practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Luke's Health - Memorial Hospital - Lufkin, TX | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey Scott Hamaker is one of 1,939 general surgeons in Texas
Surgery is Dr. Hamaker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hamaker is licensed in Texas.
Specialties and state licenses
- Surgery, TexasPrimary
General surgeons near Dr. Hamaker
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. Jeffrey Scott Hamaker billed Medicare for 278 services in 2024
CMS data shows 278 Medicare services from Dr. Hamaker across 6 procedure codes in 2024, for 156 Medicare patients. Medicare paid $15,174 for them.
Dr. Hamaker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2892024: 2668%
- Surgery
- 2023: 132024: 128%
- Imaging
- 2023: 332024: 0100%
Where Dr. Hamaker's Medicare services took place, 2024
- In an office8932%
- In a facility18968%
Dr. Hamaker compared with the Texas median for general surgeons, 2024
- Dr. Hamaker
- Texas median
- Medicare services
- 278vs 1182.4 times
- Medicare patients
- 156vs 9761% above
- Part D claims
- 123vs 422.9 times
Medians across 1,674 general surgeons in Texas with Dmand AI profiles that report each measure.
Dr. Hamaker'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. Hamaker and other general surgeons in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Scott Hamaker treated 156 Medicare patients in 2024, average age 72
CMS counts 156 Medicare patients who saw Dr. Hamaker in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.88, 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. Hamaker's median patient age at 62, with 49% women.
Dr. Hamaker's Medicare patients by age, 2024
Dr. Hamaker's Medicare patients by sex, 2024
- Women7045%
- Men8655%
Chronic conditions among Dr. Hamaker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes40%
- Ischemic heart disease37%
- COPD33%
- Heart failure31%
- Anxiety30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hamaker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey Scott Hamaker wrote 183 Medicare Part D claims in 2024
In 2024, Dr. Hamaker wrote 183 Medicare Part D claims for 96 patients. 88% of them were for generic drugs. CMS names the drug for 123 of them, across 7 drugs with 11 or more claims each, at $6,285 in total drug cost. In 2023, CMS named 49 claims across 2 drugs.
Dr. Hamaker's Part D claims by kind of drug, 2024
- Generic161 claims88%
- Brand-name22 claims12%
Dr. Hamaker'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. Hamaker's Part D claims, 2024
- Opioids27%50 of 183 claims
- Antibiotics27%50 of 183 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: 492024: 123151%
Drugs named by CMS: 7 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. Jeffrey Scott Hamaker ranks in the 75th percentile for hernia repair (minimally invasive) in Medicare
Dr. Hamaker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of hernia repair (minimally invasive) by Dr. Hamaker, more than 75% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Hamaker ranks in Medicare procedure volume
- Colonoscopy
- 44th percentile15 procedures
- Removal of tissue
- 64th percentile13 procedures
- Hernia repair (minimally invasive)
- 75th percentile12 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 42nd percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 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. Jeffrey Scott Hamaker received $12,419 in industry payments from 2017 to 2024
CMS Open Payments shows 47 general payments to Dr. Hamaker from 8 drug and device companies from 2017 to 2024. Education make up the largest share, 44% of the total. Intuitive Surgical, Inc. paid the most, $12,156.
General payments to Dr. Hamaker by program year, 2017 to 2024
General payments to Dr. Hamaker by kind, 2017 to 2024
- Education$5,50044%
- Speaker and faculty fees$4,00032%
- Travel and lodging$1,66113%
- Food and beverage$1,25810%
Companies that paid Dr. Hamaker the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey Scott Hamaker graduated from Baylor College of Medicine
Dr. Hamaker graduated from Baylor College of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey Scott Hamaker'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Jeffrey Scott Hamaker
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. Jeffrey Scott Hamaker's NPI number?
Dr. Jeffrey Scott Hamaker's NPI number is 1699119545. It was assigned on April 22, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Scott Hamaker?
Dr. Jeffrey Scott Hamaker is a general surgeon in Lufkin, Texas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jeffrey Scott Hamaker practice?
Dr. Hamaker practices at 1201 West Frank Street, Lufkin, TX 75901. Dr. Hamaker's primary practice is St. Luke's Health - Memorial Hospital - Lufkin, TX in Lufkin, Texas, part of CommonSpirit Health. Dmand AI also links Dr. Hamaker to 2 hospitals and 1 group practice or clinic.
What is Dr. Jeffrey Scott Hamaker's office phone number?
The practice phone on file for Dr. Hamaker is (936) 634-8111.
What is Dr. Jeffrey Scott Hamaker's medical license number?
Dr. Hamaker holds Texas license BP10047354.
Which hospitals is Dr. Jeffrey Scott Hamaker affiliated with?
Dr. Hamaker practices at St. Luke's Health - Memorial Hospital - Lufkin, TX in Lufkin, Texas. Dr. Hamaker is also affiliated with Woodland Heights Medical Center. Dmand AI links Dr. Hamaker to 2 more hospitals.
What medical group is Dr. Jeffrey Scott Hamaker part of?
Dr. Hamaker is linked to Angelina Surgical Associates.
Does Dr. Jeffrey Scott Hamaker accept Medicare?
Yes. CMS data shows Dr. Hamaker billed Medicare for 278 services in 2024, and Dr. Hamaker accepts Medicare assignment.
How many Medicare patients does Dr. Jeffrey Scott Hamaker see?
CMS counts 156 Medicare patients who saw Dr. Hamaker in 2024, with an average age of 72.
What services does Dr. Jeffrey Scott Hamaker bill to Medicare?
In 2024, Dr. Hamaker's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99221) and office visit, new patient (99203).
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Where did Dr. Jeffrey Scott Hamaker go to medical school?
Dr. Hamaker graduated from Baylor College of Medicine in 2013.
What drugs does Dr. Jeffrey Scott Hamaker prescribe most?
In 2024 Medicare Part D data, Dr. Hamaker's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Acetaminophen-Codeine and Hydrocodone-Acetaminophen.
Has Dr. Jeffrey Scott Hamaker received payments from drug or device companies?
CMS Open Payments shows $12,419 in general payments to Dr. Hamaker from 8 companies from 2017 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Jeffrey Scott Hamaker been practicing?
Dr. Hamaker graduated from medical school in 2013, 13 years ago.
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