Dr. Randy A. Gertner, MD

  • Fredericksburg, VA
  • Nephrologist
NPI1285745752PAC ID4082690177
Medicare services, 2024
2,985
Medicare patients, 2024
627
Part D claims, 2024
1,209
Hospital affiliations
3
Industry payments
$245
Practice address
101 Park Hill Dr, Fredericksburg, VA 22401
Practice phone
Call (540) 775-7279
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fresenius Medical Care King George

Fredericksburg, Virginia

See all 8 affiliations

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Dr. Randy A. Gertner is a nephrologist in Fredericksburg, Virginia

Dr. Gertner practices at Fresenius Medical Care King George in Fredericksburg, Virginia.

Dr. Gertner's NPI, 1285745752, was assigned on August 31, 2006. Dr. Gertner graduated from Pennsylvania State University College of Medicine in 1998. Dr. Gertner holds Virginia license 0101235455.

NPI and contact details
Medicare PAC ID
4082690177
NPI enumeration date
August 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(540) 775-7279
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
54
Medical school graduation
1998

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

Dr. Randy A. Gertner practices at Fresenius Medical Care King George in Fredericksburg, Virginia

Dr. Gertner's primary practice is Fresenius Medical Care King George, at 101 Park Hill Dr, Fredericksburg, VA 22401 in Fredericksburg City. The practice phone is (540) 775-7279.

  • Fresenius Medical Care King George
    101 Park Hill Dr, Fredericksburg, VA 22401 · Fredericksburg CityPhone(540) 775-7279

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

Dr. Randy A. Gertner is affiliated with 7 sites of care and 1 medical group

Dr. Gertner's primary practice is Fresenius Medical Care King George in Fredericksburg, Virginia. Dr. Gertner is also affiliated with Mary Washington Hospital. The medical group on file is Fredericksburg Nephrology Associates. Dmand AI also links Dr. Gertner to 2 more hospitals, 2 dialysis centers and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Gertner

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. Randy A. Gertner's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gertner practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fresenius Medical Care King GeorgeAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Randy A. Gertner is one of 289 nephrologists in Virginia

Nephrology is Dr. Gertner's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Gertner is licensed in Virginia.

Specialties and state licenses

  • Nephrology, VirginiaPrimaryLicense 0101235455 · taxonomy 207RN0300X

Nephrologists near Dr. Gertner

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. Randy A. Gertner billed Medicare for 2,985 services in 2024

CMS data shows 2,985 Medicare services from Dr. Gertner across 21 procedure codes in 2024, for 627 Medicare patients. Medicare paid $209,881 for them.

Medicare services, 20242,985
Medicare patients627
Paid by Medicare$209,881
Procedure codes21

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,9342024: 1,9933%
Other services
2023: 1132024: 595427%
Tests and treatments
2023: 4342024: 3979%

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

  • In an office2,57986%
  • In a facility40614%

Dr. Gertner compared with the Virginia median for nephrologists, 2024

  • Dr. Gertner
  • Virginia median
Medicare services
2,985vs 1,2272.4 times
Medicare patients
627vs 38762% above
Part D claims
992vs 77029% above

Medians across 276 nephrologists in Virginia with Dmand AI profiles that report each measure.

Dr. Gertner'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. Gertner

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gertner and other nephrologists in Virginia.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Randy A. Gertner treated 627 Medicare patients in 2024, average age 76

CMS counts 627 Medicare patients who saw Dr. Gertner in 2024. The largest group is 75 to 84, with 241 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 9% are also on Medicaid. Their average risk score is 3.04, 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. Gertner's median patient age at 74, with 48% women.

Medicare patients, 2024627
Average age76
Average risk score3.04
Also on Medicaid9%

Dr. Gertner's Medicare patients by age, 2024

Dr. Gertner's Medicare patients by sex, 2024

  • Women31150%
  • Men31650%

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

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes58%
  5. Ischemic heart disease52%
  6. Arthritis51%
  7. Heart failure43%
  8. Atrial fibrillation38%

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

Dr. Gertner's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women48%
  • Men51%

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

Dr. Randy A. Gertner wrote 1,209 Medicare Part D claims in 2024

In 2024, Dr. Gertner wrote 1,209 Medicare Part D claims for 292 patients. 78% of them were for generic drugs. CMS names the drug for 992 of them, across 25 drugs with 11 or more claims each, at $284,278 in total drug cost. In 2023, CMS named 884 claims across 20 drugs.

Part D claims, 20241,209
Drugs named by CMS25
Total drug cost$284,278
Part D patients292

Dr. Gertner's Part D claims by kind of drug, 2024

  • Generic947 claims78%
  • Brand-name262 claims22%

Dr. Gertner'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8842024: 99212%

Drugs named by CMS: 25 in 2024, 20 in 2023.

See all prescribing by Dr. Gertner

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. Randy A. Gertner offers telehealth to Medicare patients

Dr. Gertner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gertner as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Randy A. Gertner received $245 in industry payments from 2017 to 2025

CMS Open Payments shows 17 general payments to Dr. Gertner from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 66% of the total. Cardiovascular Systems Inc. paid the most, $69.

General payments to Dr. Gertner by program year, 2017 to 2025

General payments to Dr. Gertner by kind, 2017 to 2025

$245in total
  • Food and beverage$16166%
  • Education$8434%

Companies that paid Dr. Gertner the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Gertner

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

Dr. Randy A. Gertner graduated from Pennsylvania State University College of Medicine

Dr. Gertner graduated from Pennsylvania State University College of Medicine in 1998.

  1. Medical schoolPennsylvania State University College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Randy A. Gertner'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 DataDmand AI Org Hierarchy 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Randy A. Gertner

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. Randy A. Gertner's NPI number?

Dr. Randy A. Gertner's NPI number is 1285745752. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Randy A. Gertner?

Dr. Randy A. Gertner is a nephrologist in Fredericksburg, Virginia. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Randy A. Gertner practice?

Dr. Gertner practices at 101 Park Hill Dr, Fredericksburg, VA 22401. Dr. Gertner's primary practice is Fresenius Medical Care King George in Fredericksburg, Virginia. Dmand AI also links Dr. Gertner to 2 hospitals, 2 dialysis centers and 1 group practice or clinic.

What is Dr. Randy A. Gertner's office phone number?

The practice phone on file for Dr. Gertner is (540) 775-7279.

What is Dr. Randy A. Gertner's medical license number?

Dr. Gertner holds Virginia license 0101235455.

Which hospitals is Dr. Randy A. Gertner affiliated with?

Dr. Gertner is affiliated with Mary Washington Hospital. Dmand AI links Dr. Gertner to 2 more hospitals.

What medical group is Dr. Randy A. Gertner part of?

Dr. Gertner is linked to Fredericksburg Nephrology Associates.

Does Dr. Randy A. Gertner accept Medicare?

Yes. CMS data shows Dr. Gertner billed Medicare for 2,985 services in 2024, and Dr. Gertner accepts Medicare assignment.

Does Dr. Randy A. Gertner offer telehealth?

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

How many Medicare patients does Dr. Randy A. Gertner see?

CMS counts 627 Medicare patients who saw Dr. Gertner in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Randy A. Gertner bill to Medicare?

In 2024, Dr. Gertner's most billed Medicare services were care management and other visits (99490), medicare service (G2211) and office visit, established patient (99214).

Where did Dr. Randy A. Gertner go to medical school?

Dr. Gertner graduated from Pennsylvania State University College of Medicine in 1998.

What drugs does Dr. Randy A. Gertner prescribe most?

In 2024 Medicare Part D data, Dr. Gertner's most prescribed drugs by claims were Amlodipine Besylate, Calcitriol and Farxiga.

Has Dr. Randy A. Gertner received payments from drug or device companies?

CMS Open Payments shows $245 in general payments to Dr. Gertner from 6 companies from 2017 to 2025. The largest total came from Cardiovascular Systems Inc.

How long has Dr. Randy A. Gertner been practicing?

Dr. Gertner graduated from medical school in 1998, 28 years ago.

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