NPPES file of Aug 9, 2026

Fredrick Nathaniel Wolk, M.D.

Specialist · Redondo Beach, CA

Fredrick Nathaniel Wolk, M.D. is a specialist with a practice address in Redondo Beach, California, and NPI 1669426078, issued on May 20, 2006. Check the license (California C38222, as entered in NPPES) with the California board that licenses this profession; 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
1669426078
Name
Fredrick Nathaniel Wolk
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
C38222 CA
Self-reported in NPPES; status is on the state search
Practice location
606 Esplanade Apt 5, Redondo Beach, CA 90277
Phone
(310) 897-1613
Enumerated
May 20, 2006
Record last updated
Jan 19, 2022
Medicaid ID
00C382220 CA
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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8 nearest specialist records → All 5,749 in California → Look up another NPI →

Verify Fredrick Nathaniel Wolk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license C38222    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
Find the California license search

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99% fewer Medicare Part D claims than the average specialist in 2024

16 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Fredrick Wolk16
  2. Specialty average1,380

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.

Fredrick Nathaniel Wolk among 5,749 specialist records in California

Fredrick Nathaniel Wolk, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2022 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California.

All 5,749 in California → Every provider in Redondo Beach → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Karen Axelrod, CMT, CST-DRedondo Beach, CA 902771538581368
  2. Julie GoisetRedondo Beach, CA 902771295278190
  3. Norman Lasky, MDRedondo Beach, CA 902771194781583
  4. Albert Reff, M.D.Redondo Beach, CA 902771871615823
  5. Erin TrujilloRedondo Beach, CA 902771841010089
  6. Mahendra Udani, MDRedondo Beach, CA 902771881761179
  7. Ulrike Ziegner, MD PHDRedondo Beach, CA 902771407867203
  8. Rebekah Broker, OTR/LRedondo Beach, CA 902781134567928

Common questions

What is Fredrick Nathaniel Wolk, M.D.'s NPI number?

Fredrick Nathaniel Wolk, M.D.'s National Provider Identifier (NPI) is 1669426078, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Fredrick Nathaniel Wolk, M.D. located?

The NPPES record lists a practice address at 606 Esplanade Apt 5, Redondo Beach, CA, 90277. Phone: (310) 897-1613. Providers update this record themselves, so call before visiting.

How can I verify Fredrick Nathaniel Wolk, M.D.'s license?

NPPES lists California license number C38222, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Fredrick Nathaniel Wolk, M.D. prescribe under Medicare Part D?

In 2024, Fredrick Nathaniel Wolk, M.D. had 16 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.