NPPES file of Aug 9, 2026

Karen Dietrich Walker, M.D.

Dermatology Physician · Northport, AL

Karen Dietrich Walker, M.D. is a dermatology physician with a practice address in Northport, Alabama, and NPI 1669430872, issued on May 4, 2006. Check the license (Alabama 00026457, as entered in NPPES) on the Alabama Board of Medical Examiners; 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
1669430872
Name
Karen Dietrich Walker
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
00026457 AL
Self-reported in NPPES; status is on the state search
Practice location
4410 Watermelon RD, Northport, AL 35473
Phone
(205) 345-1520
Enumerated
May 4, 2006
Record last updated
Dec 26, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(205) 345-1761
Medicare enrollment
Enrolled (PECOS I20060816000196); accepts Medicare assignment
Medical or professional school
University Of Alabama School Of Medicine, 2002
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.
Download card Updates feed

Also registered at 4410 Watermelon RD

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

  1. Molly Clowers, CRNPNurse Practitioner1851277834
  2. Charles Gambla, MDDermatology Physician1275573107
  3. Robert Griffith, MDDermatology Physician1265472195
  4. Staci Hardwick, FNP-BCFamily Nurse Practitioner1912267550
  5. Hillary Holland, FNP-CFamily Nurse Practitioner1518661495
  6. David Jackson, MDDermatology Physician1710928296

Verify Karen Dietrich Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlabama Board of Medical Examiners
    Search for license 00026457
    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 Alabama 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

55% more Medicare Part D claims than the average dermatology physician in 2024

1,235 Medicare Part D claims for 420 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Karen Walker1,235
  2. Specialty average797

Most prescribed

  1. Clobetasol Propionate142 claims
  2. Triamcinolone Acetonide118 claims
  3. Fluconazole103 claims
  4. Doxycycline Hyclate62 claims
  5. Ketoconazole59 claims
  6. Valacyclovir54 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): 100 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. Qualitynot scored (reweighted)
  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: $1,789.72

86 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Walker$1,789.72
  2. Specialty average$8,544.61

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. Alabama Dermatology Associates, PCNorthport, AL

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

Karen Dietrich Walker among 171 dermatology physician records in Alabama

Karen Dietrich Walker, M.D. is one of 171 dermatology physician records with a practice address in Alabama. 92% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 51% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2002 · median 2003 among the 140 with a school on file
  • Record last updated2012 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 dermatology physician records list a practice address in Northport

They are 9 of the 462 NPPES records with a practice address in Northport, and 171 dermatology physician records in Alabama.

The 8 dermatology physician records with the nearest ZIP codes

  1. Charles Gambla, MDNorthport, AL 354731275573107
  2. Robert Griffith, MDNorthport, AL 354731265472195
  3. David Jackson, MDNorthport, AL 354731710928296
  4. Michael Johnson, MDNorthport, AL 354731114968443
  5. Catherine Lucas, MDNorthport, AL 354731841240363
  6. Cynthia Lucy, MDNorthport, AL 354731154331791
  7. Alicia Nichols, CRNPNorthport, AL 354731619462843
  8. Jeffery Weeks, MDNorthport, AL 354731538100011

Common questions

What is Karen Dietrich Walker, M.D.'s NPI number?

Karen Dietrich Walker, M.D.'s National Provider Identifier (NPI) is 1669430872, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Dietrich Walker, M.D. located?

The NPPES record lists a practice address at 4410 Watermelon RD, Northport, AL, 35473. Phone: (205) 345-1520. Providers update this record themselves, so call before visiting.

How can I verify Karen Dietrich Walker, M.D.'s license?

NPPES lists Alabama license number 00026457, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karen Dietrich Walker, M.D. prescribe under Medicare Part D?

In 2024, Karen Dietrich Walker, M.D. had 1,235 Medicare Part D claims for 420 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Karen Dietrich Walker, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.