NPPES file of Aug 9, 2026

Malinda Ackerman Krenn, FNP

Ambulatory Care Registered Nurse · Merced, CA

Malinda Ackerman Krenn, FNP is an ambulatory care registered nurse with a practice address in Merced, California, and NPI 1265560007, issued on Mar 1, 2007. Check the license (California RN332977, 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
1265560007
Name
Malinda Ackerman Krenn
Credential
FNP
Primary taxonomy
Ambulatory Care Registered Nurse 163WP2201X
License number
RN332977 CA
Self-reported in NPPES; status is on the state search
Practice location
315 E 13TH St, Merced, CA 95340
Phone
(209) 385-7060
Enumerated
Mar 1, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 315 E 13TH St

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

  1. Mary Hintenach, FNPFamily Nurse Practitioner1023145679
  2. Marie Young, NPAdult Health Nurse Practitioner1043355704

Verify Malinda Ackerman Krenn 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 RN332977
    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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61% fewer Medicare Part D claims than the average ambulatory care registered nurse in 2024

181 Medicare Part D claims for 44 beneficiaries, against an average of 469 among the 26 providers of this specialty who prescribed in Part D.

  1. Malinda Krenn181
  2. Specialty average469

Most prescribed

  1. Atorvastatin Calcium19 claims
  2. Levothyroxine Sodium12 claims
  3. Metformin Hcl11 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.

Industry payments in 2024: $40.86

2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 26 providers of this specialty with any payment received $1,609.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Malinda Krenn$40.86
  2. Specialty average$1,609.94

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

Malinda Ackerman Krenn among 940 ambulatory care registered nurse records in California

Malinda Ackerman Krenn, FNP is one of 940 ambulatory care registered nurse records with a practice address in California. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than under 1% of them.

  • NPI issued2007 · under 1% of these records are older, 97% newer
  • In a Medicare fileYes · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WP2201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ambulatory Care Registered Nurse providers in California

There are 940 ambulatory care registered nurse records in California.

The 8 ambulatory care registered nurse records with the nearest ZIP codes

  1. Don Dee Cinco, REGISTERED NURSEMerced, CA 953401801632773
  2. Irene Miranda-Henson, RNMerced, CA 953411700060324
  3. Lisa Larranaga, RNLivingston, CA 953341932779386
  4. Rebecca Garcia, RN CALIFORNIA 951845Modesto, CA 953551033901939
  5. Jessica Lorgerodriguez, RNModesto, CA 953551376437392
  6. Amy DiazTurlock, CA 953821407330384
  7. Marie Giarratana - Young, NPSanta Rosa, CA 954011669682787
  8. Kate Hullen, R.N.Santa Rosa, CA 954011306113741

Common questions

What is Malinda Ackerman Krenn, FNP's NPI number?

Malinda Ackerman Krenn, FNP's National Provider Identifier (NPI) is 1265560007, issued on Mar 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Malinda Ackerman Krenn, FNP located?

The NPPES record lists a practice address at 315 E 13TH St, Merced, CA, 95340. Phone: (209) 385-7060. Providers update this record themselves, so call before visiting.

How can I verify Malinda Ackerman Krenn, FNP's license?

NPPES lists California license number RN332977, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Malinda Ackerman Krenn, FNP prescribe under Medicare Part D?

In 2024, Malinda Ackerman Krenn, FNP had 181 Medicare Part D claims for 44 beneficiaries; the average among ambulatory care registered nurse prescribers was 469. 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.