Am J Kidney Dis
Drug OverdoseHypotensionPoisoning
Dr. Lin Z. Johnson, MD
NPI1104801737
- Medicare services, 2024
- 2,418
- Medicare patients, 2024
- 415
- Part D claims, 2024
- 2,343
- Publications
- 1
- MIPS score, 2024
- 86
- Practice address
- 201 Rr 3237, Wimberley, TX 78676
- Practice phone
- Call (210) 342-2233
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sakdc Surgical Center
Wimberley, Texas
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Lin Z. Johnson is a nephrologist in Wimberley, Texas
Dr. Johnson practices at Sakdc Surgical Center in Wimberley, Texas.
Dr. Johnson's NPI, 1104801737, was assigned on December 6, 2005. Dr. Johnson graduated from Beijing Medical University in 1987. Dr. Johnson holds Texas license K3913.
NPI and contact details
- NPI
- 1104801737NPI Registry (opens in a new tab)
- NPI enumeration date
- December 6, 2005
- NPI status
- Active
- Practice phone
- (210) 342-2233
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Lin Z. Johnson practices at Sakdc Surgical Center in Wimberley, Texas
Dr. Johnson's primary practice is Sakdc Surgical Center, at 201 Rr 3237, Wimberley, TX 78676 in Hays County. The practice phone is (210) 342-2233.
- Sakdc Surgical Center201 Rr 3237, Wimberley, TX 78676 · Hays CountyPhone(210) 342-2233
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lin Z. Johnson is affiliated with 2 sites of care and 1 medical group
Dr. Johnson's primary practice is Sakdc Surgical Center in Wimberley, Texas. The medical group on file is San Antonio Kidney. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lin Z. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sakdc Surgical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lin Z. Johnson is one of 1,045 nephrologists in Texas
Nephrology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Johnson is board certified in nephrology by the American Board of Internal Medicine. Dr. Johnson is licensed in Texas.
Specialties and state licenses
- Nephrology, TexasPrimary
Clinical focus
Dmand AI lists acute kidney failure, chronic kidney disease, fluid and electrolyte imbalances, kidney cysts, kidney disease and parathyroid gland disorder among the conditions Dr. Johnson treats.
Nephrologists near Dr. Johnson
Counts of nephrologists 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. Lin Z. Johnson billed Medicare for 2,418 services in 2024
CMS data shows 2,418 Medicare services from Dr. Johnson across 16 procedure codes in 2024, for 415 Medicare patients. Medicare paid $118,591 for them.
Medicare services, 20242,418
Medicare patients415
Paid by Medicare$118,591
Procedure codes16
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1,3692024: 1,06422%
- Office and hospital visits
- 2023: 1,3022024: 1,05119%
- Tests and treatments
- 2023: 4412024: 22749%
- Lab and pathology
- 2023: 1672024: 5567%
- Surgery
- 2023: 372024: 2143%
Where Dr. Johnson's Medicare services took place, 2024
- In an office2,05985%
- In a facility35915%
Dr. Johnson compared with the Texas median for nephrologists, 2024
- Dr. Johnson
- Texas median
- Medicare services
- 2,418vs 1,0482.3 times
- Medicare patients
- 415vs 27750% above
- Part D claims
- 2,073vs 7582.7 times
Medians across 1,017 nephrologists in Texas with Dmand AI profiles that report each measure.
Dr. Johnson'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.
Need commercial claims for Dr. Johnson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other nephrologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lin Z. Johnson treated 415 Medicare patients in 2024, average age 76
CMS counts 415 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 155 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 8% are also on Medicaid. Their average risk score is 3.07, 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. Johnson's median patient age at 76, with 59% women.
Medicare patients, 2024415
Average age76
Average risk score3.07
Also on Medicaid8%
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women22354%
- Men19246%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes51%
- Arthritis50%
- Ischemic heart disease50%
- Heart failure40%
- Atrial fibrillation33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women59%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lin Z. Johnson wrote 2,343 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 2,343 Medicare Part D claims for 344 patients. 75% of them were for generic drugs. CMS names the drug for 2,073 of them, across 40 drugs with 11 or more claims each, at $686,853 in total drug cost. In 2023, CMS named 2,070 claims across 47 drugs.
Part D claims, 20242,343
Drugs named by CMS40
Total drug cost$686,853
Part D patients344
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic1,755 claims75%
- Brand-name and other588 claims25%
Dr. Johnson'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. Johnson's Part D claims, 2024
- Antibiotics3%81 of 2,343 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: 2,0702024: 2,073No change
Drugs named by CMS: 40 in 2024, 47 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. Lin Z. Johnson scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group.
Dr. Johnson's MIPS scores, performance year 2024
- 86of 100Final score
- 67.9of 100Quality
- 87of 100Promoting Interoperability
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Lin Z. Johnson has 1 publication on record
Dmand AI links 1 paper to Dr. Johnson. Dr. Johnson's most frequent co-authors are Charles Davis, MD and Balakuntalam Kasinath, MD.
Papers1
Dr. Johnson's most frequent co-authors
Recent publications by Dr. Johnson
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lin Z. Johnson received $4,869 in industry payments from 2016 to 2025
CMS Open Payments shows 244 general payments to Dr. Johnson from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Relypsa, Inc. paid the most, $949.
General payments to Dr. Johnson by program year, 2016 to 2025
General payments to Dr. Johnson by kind, 2016 to 2025
$4.9Kin total
- Food and beverage$4,82799%
- Education$421%
Companies that paid Dr. Johnson 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. Lin Z. Johnson has 1 award and honors on record
Dmand AI lists 1 award for Dr. Johnson, most recently CMS Stage 1 2012 in 2012.
Awards and honors for Dr. Johnson
- 2012
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Lin Z. Johnson graduated from Beijing Medical University
Dr. Johnson graduated from Beijing Medical University in 1987.
- Medical school
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Lin Z. Johnson accepts plans from 7 insurance carriers
Dr. Johnson is in network with 7 carriers, including Aetna, Elevance and Cigna. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Cigna
- HCSC
- Molina
- CMS Medicare
- Humana
Plan types Dr. Johnson accepts, by number of carriers
- Medicare6
- HMO5
- PPO4
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Lin Z. Johnson'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 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Lin Z. Johnson
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. Lin Z. Johnson's NPI number?
Dr. Lin Z. Johnson's NPI number is 1104801737. It was assigned on December 6, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Lin Z. Johnson?
Dr. Lin Z. Johnson is a nephrologist in Wimberley, Texas. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Lin Z. Johnson practice?
Dr. Johnson practices at 201 Rr 3237, Wimberley, TX 78676. Dr. Johnson's primary practice is Sakdc Surgical Center in Wimberley, Texas. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. Lin Z. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (210) 342-2233.
What is Dr. Lin Z. Johnson's medical license number?
Dr. Johnson holds Texas license K3913.
What medical group is Dr. Lin Z. Johnson part of?
Dr. Johnson is linked to San Antonio Kidney.
Does Dr. Lin Z. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 2,418 services in 2024.
What is Dr. Lin Z. Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Lin Z. Johnson see?
CMS counts 415 Medicare patients who saw Dr. Johnson in 2024, with an average age of 76.
Is Dr. Lin Z. Johnson board certified?
Yes. Dr. Johnson is board certified in nephrology by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Lin Z. Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were medicare temporary code (Q5106), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. Lin Z. Johnson go to medical school?
Dr. Johnson graduated from Beijing Medical University in 1987.
What drugs does Dr. Lin Z. Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Farxiga, Amlodipine Besylate and Losartan Potassium.
Has Dr. Lin Z. Johnson received payments from drug or device companies?
CMS Open Payments shows $4,869 in general payments to Dr. Johnson from 29 companies from 2016 to 2025. The largest total came from Relypsa, Inc.
How long has Dr. Lin Z. Johnson been practicing?
Dr. Johnson graduated from medical school in 1987, 39 years ago.
Does Dr. Lin Z. Johnson do research?
Dmand AI links 1 publication to Dr. Johnson.
Who does Dr. Lin Z. Johnson publish with?
Dr. Johnson's most frequent co-authors are Charles Davis, MD (1 shared paper) and Balakuntalam Kasinath, MD (1 shared paper).
What insurance does Dr. Lin Z. Johnson accept?
Dr. Johnson is in network with 7 carriers, including Aetna, Elevance and Cigna. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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