Dr. Joseph Lynn Walker, MD
- Medicare services, 2024
- 147
- Medicare patients, 2024
- 137
- Part D claims, 2024
- 11,312
- Hospital affiliations
- 3
- Industry payments
- $6,113
- Practice address
- 900 N Wiley Ave, Donalsonville, GA 39845
- Practice phone
- Call (229) 524-2808
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southwest Georgia Healthcare Clinics Inc
Donalsonville, Georgia
Find Dr. Walker'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. Joseph Lynn Walker is a general surgeon in Donalsonville, Georgia
Dr. Walker practices at Southwest Georgia Healthcare Clinics Inc in Donalsonville, Georgia.
Dr. Walker's NPI, 1396866943, was assigned on April 2, 2007. Dr. Walker graduated from Mercer University School of Medicine in 2003. Dr. Walker holds Georgia license 060890.
- NPI
- 1396866943NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345317400
- NPI enumeration date
- April 2, 2007
- NPI status
- Active
- Practice phone
- (229) 524-2808
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Joseph Lynn Walker practices at Southwest Georgia Healthcare Clinics Inc in Donalsonville, Georgia
Dr. Walker's primary practice is Southwest Georgia Healthcare Clinics Inc, at 900 N Wiley Ave, Donalsonville, GA 39845 in Seminole County. The practice phone is (229) 524-2808.
- Southwest Georgia Healthcare Clinics Inc900 N Wiley Ave, Donalsonville, GA 39845 · Seminole CountyPhone(229) 524-2808
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joseph Lynn Walker is affiliated with 10 sites of care and 3 medical groups
Dr. Walker's primary practice is Southwest Georgia Healthcare Clinics Inc in Donalsonville, Georgia. Dr. Walker is also affiliated with Donalsonville Hospital. The medical group on file is Donalsonville Hospital. Dmand AI also links Dr. Walker to 2 more hospitals, 2 group practices and clinics, 2 medical groups, 1 community health center, 1 home health agency, 1 hospice and 1 skilled nursing facility, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Lynn Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southwest Georgia Healthcare Clinics Inc | Available with a free account |
| +9 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Lynn Walker is one of 853 general surgeons in Georgia
Surgery is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Walker's licenses on file in 2 states: Georgia and New York.
Specialties and state licenses
- Surgery, GeorgiaPrimary
- New York license
Clinical focus
Dmand AI lists appendectomy, colonoscopy, colon removal, groin hernia surgery, hemorrhoids, removal of damaged skin or skin graft and upper GI endoscopy among the conditions Dr. Walker treats.
General surgeons near Dr. Walker
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. Joseph Lynn Walker billed Medicare for 147 services in 2024
CMS data shows 147 Medicare services from Dr. Walker across 4 procedure codes in 2024, for 137 Medicare patients. Medicare paid $4,975 for them.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 762024: 817%
- Office and hospital visits
- 2023: 1662024: 6660%
- Tests and treatments
- 2023: 152024: 0100%
- Surgery
- 2023: 112024: 0100%
Where Dr. Walker's Medicare services took place, 2024
- In an office8155%
- In a facility6645%
Dr. Walker compared with the Georgia median for general surgeons, 2024
- Dr. Walker
- Georgia median
- Medicare services
- 147vs 150Close to median
- Medicare patients
- 137vs 10926% above
- Part D claims
- 10,719vs 54198.5 times
Medians across 789 general surgeons in Georgia with Dmand AI profiles that report each measure.
Dr. Walker'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. Walker and other general surgeons in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Lynn Walker treated 137 Medicare patients in 2024, average age 75
CMS counts 137 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 60 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 66, with 55% women.
Dr. Walker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Walker's Medicare patients by sex, 2024
- Women7253%
- Men6547%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Diabetes59%
- Arthritis51%
- Anxiety35%
- Mood disorders34%
- Depression31%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph Lynn Walker wrote 11,312 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 11,312 Medicare Part D claims for 460 patients. 90% of them were for generic drugs. CMS names the drug for 10,719 of them, across 143 drugs with 11 or more claims each, at $499,304 in total drug cost. In 2023, CMS named 11,209 claims across 156 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic10,162 claims90%
- Brand-name1,086 claims10%
- Other64 claims1%
Dr. Walker'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. Walker's Part D claims, 2024
- Opioids4%502 of 11,312 claims
- Antibiotics4%493 of 11,312 claims
- Antipsychotics, patients 65 and over1%88 of 11,312 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: 11,2092024: 10,7194%
Drugs named by CMS: 143 in 2024, 156 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. Joseph Lynn Walker ranks in the 66th percentile for removal or shaving of skin growth in Medicare
CMS counts 13 procedures of removal or shaving of skin growth by Dr. Walker, more than 66% of the clinicians it reports for that procedure.
Where Dr. Walker ranks in Medicare procedure volume
- Colonoscopy
- 44th percentile15 procedures
- Removal or shaving of skin growth
- 66th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 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)
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Joseph Lynn Walker received $6,113 in industry payments from 2016 to 2025
CMS Open Payments shows 275 general payments to Dr. Walker from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 72% of the total. Organogenesis Inc. paid the most, $1,144.
General payments to Dr. Walker by program year, 2016 to 2025
General payments to Dr. Walker by kind, 2016 to 2025
- Food and beverage$4,39172%
- Travel and lodging$1,71528%
- Education$70%
Companies that paid Dr. Walker 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. Joseph Lynn Walker has 1 award and honors on record
Dmand AI lists 1 award for Dr. Walker.
Awards and honors for Dr. Walker
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Joseph Lynn Walker graduated from Mercer University School of Medicine
Dr. Walker graduated from Mercer University School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Joseph Lynn Walker accepts plans from 15 insurance carriers
Dr. Walker is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Humana
- +7 more carriersWith a free account
Plan types Dr. Walker accepts, by number of carriers
- Medicare9
- PPO9
- HMO7
- EPO5
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Joseph Lynn Walker'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 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. Joseph Lynn Walker
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. Joseph Lynn Walker's NPI number?
Dr. Joseph Lynn Walker's NPI number is 1396866943. It was assigned on April 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Lynn Walker?
Dr. Joseph Lynn Walker is a general surgeon in Donalsonville, Georgia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Joseph Lynn Walker practice?
Dr. Walker practices at 900 N Wiley Ave, Donalsonville, GA 39845. Dr. Walker's primary practice is Southwest Georgia Healthcare Clinics Inc in Donalsonville, Georgia. Dmand AI also links Dr. Walker to 2 hospitals, 2 group practices and clinics, 2 medical groups, 1 community health center, 1 home health agency, 1 hospice and 1 skilled nursing facility.
What is Dr. Joseph Lynn Walker's office phone number?
The practice phone on file for Dr. Walker is (229) 524-2808.
What is Dr. Joseph Lynn Walker's medical license number?
Dr. Walker holds Georgia license 060890, one of the licenses on file in 2 states.
Which states has Dr. Joseph Lynn Walker been licensed in?
Dmand AI has state licenses on file for Dr. Walker in Georgia and New York.
Which hospitals is Dr. Joseph Lynn Walker affiliated with?
Dr. Walker is affiliated with Donalsonville Hospital. Dmand AI links Dr. Walker to 2 more hospitals.
What medical group is Dr. Joseph Lynn Walker part of?
Dr. Walker is linked to Donalsonville Hospital. Dmand AI links Dr. Walker to 2 more medical groups.
Does Dr. Joseph Lynn Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 147 services in 2024.
How many Medicare patients does Dr. Joseph Lynn Walker see?
CMS counts 137 Medicare patients who saw Dr. Walker in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
What services does Dr. Joseph Lynn Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were lab and pathology test (82962), hospital inpatient care (99232) and hospital inpatient care (99238).
Where did Dr. Joseph Lynn Walker go to medical school?
Dr. Walker graduated from Mercer University School of Medicine in 2003.
What drugs does Dr. Joseph Lynn Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Pantoprazole Sodium.
Has Dr. Joseph Lynn Walker received payments from drug or device companies?
CMS Open Payments shows $6,113 in general payments to Dr. Walker from 35 companies from 2016 to 2025. The largest total came from Organogenesis Inc.
How long has Dr. Joseph Lynn Walker been practicing?
Dr. Walker graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Joseph Lynn Walker accept?
Dr. Walker is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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