NPPES file of Aug 9, 2026

Karl Dannehl, M.D.

Internal Medicine Physician · Atlanta, GA

Karl Dannehl, M.D. is an internal medicine physician with a practice address in Atlanta, Georgia, and NPI 1356401954, issued on Dec 12, 2006. Check the license (Georgia 023582, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356401954
Name
Karl Dannehl
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
023582 GA
Self-reported in NPPES; status is on the state search
Practice location
1800 Howell Mill RD NW Ste 525, Atlanta, GA 30318
Phone
(404) 367-3070
Enumerated
Dec 12, 2006
Record last updated
Dec 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100928000826); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1979
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1800 Howell Mill RD NW Ste 525

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

  1. Reginald Fowler, M.D.Internal Medicine Physician1144391715
  2. Brooks Lide, M.D.Internal Medicine Physician1083777056
  3. Wyman Sloan, M.D.Internal Medicine Physician1639264922

Verify Karl Dannehl in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 023582
    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 Georgia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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59% more Medicare Part D claims than the average internal medicine physician in 2024

5,057 Medicare Part D claims for 369 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 94 claims were for opioids.

  1. Karl Dannehl5,057
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium257 claims
  2. Levothyroxine Sodium193 claims
  3. Amlodipine Besylate183 claims
  4. Atorvastatin Calcium181 claims
  5. Losartan Potassium151 claims
  6. Valsartan138 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.

The MIPS final score for 2023 (Medicare payment program): 89.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score79.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $75.18

4 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karl Dannehl$75.18
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Mdvip Medical Group GA-AtlAtlanta, GA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karl Dannehl among 3,911 internal medicine physician records in Georgia

Karl Dannehl, M.D. is one of 3,911 internal medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 57% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1979 · median 2005 among the 2,535 with a school on file
  • Record last updated2020 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

870 internal medicine physician records list a practice address in Atlanta

They are 870 of the 31,476 NPPES records with a practice address in Atlanta, and 3,911 internal medicine physician records in Georgia.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Carol Aitcheson, MDAtlanta, GA 303181104919083
  2. David Anderson, MDAtlanta, GA 303181194725093
  3. Sujata Bhowmik, MDAtlanta, GA 303181366442238
  4. Victor Blake, MDAtlanta, GA 303181548260458
  5. Marvin Crawford, MDAtlanta, GA 303181033119912
  6. Claudia Davis, M.D.Atlanta, GA 303181659393106
  7. Steven Dunlevie, M.D.Atlanta, GA 303181932293719
  8. Reginald Fowler, M.D.Atlanta, GA 303181144391715

Common questions

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

Karl Dannehl, M.D.'s National Provider Identifier (NPI) is 1356401954, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karl Dannehl, M.D. located?

The NPPES record lists a practice address at 1800 Howell Mill RD NW Ste 525, Atlanta, GA, 30318. Phone: (404) 367-3070. Providers update this record themselves, so call before visiting.

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

NPPES lists Georgia license number 023582, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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

In 2024, Karl Dannehl, M.D. had 5,057 Medicare Part D claims for 369 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Karl Dannehl, M.D.'s MIPS final score?

The 2023 MIPS final score is 89.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.