NPPES file of Aug 9, 2026

Karl G. Koenig, M.D.

Nephrology Physician · Richmond, VA

Karl G. Koenig, M.D. is a nephrology physician with a practice address in Richmond, Virginia, and NPI 1609874692, issued on Jul 13, 2005. Check the license (Virginia 0101048551, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609874692
Name
Karl G. Koenig
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
0101048551 VA
Self-reported in NPPES; status is on the state search
Practice location
7001 W Broad St, Richmond, VA 23294
Phone
(804) 673-2722
Enumerated
Jul 13, 2005
Record last updated
Nov 11, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(804) 282-5723
Medicaid ID
5873592 VA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7001 W Broad St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Brabrand, NPFamily Nurse Practitioner1881897296
  2. Phillip Hartle, M.D.Nephrology Physician1891948220
  3. Angela Harvey, FNPFamily Nurse Practitioner1649206400
  4. Srikanth Kunaparaju, MDNephrology Physician1467645333
  5. Carlee MoellerRenal Nutrition Registered Dietitian1285136234

Verify Karl G. Koenig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101048551
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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79% fewer Medicare Part D claims than the average nephrology physician in 2024

312 Medicare Part D claims for 74 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Karl Koenig312
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate46 claims
  2. Hydralazine Hcl29 claims
  3. Carvedilol17 claims
  4. Terazosin Hcl17 claims
  5. Metoprolol Tartrate13 claims
  6. Allopurinol12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Karl G. Koenig among 327 nephrology physician records in Virginia

Karl G. Koenig, M.D. is one of 327 nephrology physician records with a practice address in Virginia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 74% of these records are
  • Record last updated2016 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Virginia

There are 327 nephrology physician records in Virginia.

The 8 nephrology physician records with the nearest ZIP codes

  1. Sajid George, M.DRichmond, VA 232941144410507
  2. Johnson Gomez, M.D.Richmond, VA 232941649534918
  3. Phillip Hartle, M.D.Richmond, VA 232941891948220
  4. Srikanth Kunaparaju, MDRichmond, VA 232941467645333
  5. Susan Digiovanni, M.D.Richmond, VA 232981659457687
  6. Todd Gehr, M.D.Richmond, VA 232981487738233
  7. Gaurav Gupta, MDRichmond, VA 232981083808695
  8. Layla Kamal, M.DRichmond, VA 232981568607026

Common questions

What is Karl G. Koenig, M.D.'s NPI number?

Karl G. Koenig, M.D.'s National Provider Identifier (NPI) is 1609874692, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Karl G. Koenig, M.D. located?

The NPPES record lists a practice address at 7001 W Broad St, Richmond, VA, 23294. Phone: (804) 673-2722. Providers update this record themselves, so call before visiting.

How can I verify Karl G. Koenig, M.D.'s license?

NPPES lists Virginia license number 0101048551, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karl G. Koenig, M.D. prescribe under Medicare Part D?

In 2024, Karl G. Koenig, M.D. had 312 Medicare Part D claims for 74 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.