NPPES file of Aug 9, 2026

Krystal Marie Harding, NP

Nurse Practitioner · Torrance, CA

Krystal Marie Harding, NP is a nurse practitioner with a practice address in Torrance, California, and NPI 1720241482, issued on Jul 2, 2008. Check the license (California 16548, 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
1720241482
Name
Krystal Marie Harding
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
16548 CA
567327 CA
Self-reported in NPPES; status is on the state search
Practice location
3655 Lomita Blvd, Torrance, CA 90505
Phone
(310) 373-7855
Enumerated
Jul 2, 2008
Record last updated
Jul 2, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(310) 373-7873
Medicare enrollment
Enrolled (PECOS I20101007001253); accepts Medicare assignment
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 3655 Lomita Blvd

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

  1. Amir Ajar, M.D.Otolaryngology Physician1467585216
  2. Nina Argade, DPMFoot & Ankle Surgery Podiatrist1043661069
  3. Omead Barari, DPMFoot & Ankle Surgery Podiatrist1710509336
  4. Huiju Chung, D.O.Pediatrics Physician1548318520
  5. Armin Feradouni Nejad, D.P.M.Foot & Ankle Surgery Podiatrist1609046077
  6. Alice Fukui, D.D.S.General Practice Dentistry1093184673

Verify Krystal Marie Harding 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 16548
    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

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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32% more Medicare Part D claims than the average nurse practitioner in 2024

1,464 Medicare Part D claims for 251 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 155 claims were for opioids.

  1. Krystal Harding1,464
  2. Specialty average1,109

Most prescribed

  1. Hydrocodone-Acetaminophen79 claims
  2. Atorvastatin Calcium62 claims
  3. Losartan Potassium49 claims
  4. Alprazolam44 claims
  5. Amlodipine Besylate38 claims
  6. Hydralazine Hcl37 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.

Bills Medicare through one group practice

  1. Richard M Butlig M D IncTorrance, CA

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

Krystal Marie Harding among 8,223 nurse practitioner records in California

Krystal Marie Harding, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 27% of them.

  • NPI issued2008 · 27% of these records are older, 70% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2006 · median 2017 among the 3,425 with a school on file
  • Record last updated2008 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Pavanjit Brar, F.N.PTorrance, CA 905051033250774
  2. Anita Gardner, NPTorrance, CA 905051477615128
  3. Christina Gardner, RN, MSN, PNPTorrance, CA 905051194874289
  4. Judith Gilligan, NPTorrance, CA 905051912063298
  5. Maki Jerden, APRNTorrance, CA 905051063476851
  6. Ann Kaessinger, NPTorrance, CA 905051205167947
  7. Patricia McGinley, NPTorrance, CA 905051740344373
  8. Rose Mary Mosher, RNCNPTorrance, CA 905051760469274

Common questions

What is Krystal Marie Harding, NP's NPI number?

Krystal Marie Harding, NP's National Provider Identifier (NPI) is 1720241482, issued on Jul 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Krystal Marie Harding, NP located?

The NPPES record lists a practice address at 3655 Lomita Blvd, Torrance, CA, 90505. Phone: (310) 373-7855. Providers update this record themselves, so call before visiting.

How can I verify Krystal Marie Harding, NP's license?

NPPES lists California license number 16548, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Krystal Marie Harding, NP prescribe under Medicare Part D?

In 2024, Krystal Marie Harding, NP had 1,464 Medicare Part D claims for 251 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.