NPPES file of Aug 9, 2026

Catherine Anne Berg, NP, FNP-BC, ACNP-BC

Family Nurse Practitioner · Brentwood, CA

Catherine Anne Berg, NP, FNP-BC, ACNP-BC is a family nurse practitioner with a practice address in Brentwood, California, and NPI 1316171341, issued on May 5, 2009. Check the license (California 18289, 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
1316171341
Name
Catherine Anne Berg
Credential
NP, FNP-BC, ACNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
18289 CA
NP-18289 CA
Self-reported in NPPES; status is on the state search
Practice location
171 Sand Creek RD Ste A, Brentwood, CA 94513
Phone
(800) 495-8885
Enumerated
May 5, 2009
Record last updated
Jul 20, 2017 (not updated in 9 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 171 Sand Creek RD Ste A

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

  1. Jasen TjahjadiFamily Medicine Physician1649839077

Verify Catherine Anne Berg 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 18289
    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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11% more Medicare Part D claims than the average family nurse practitioner in 2024

1,455 Medicare Part D claims for 100 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 48 claims were for opioids.

  1. Catherine Berg1,455
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium143 claims
  2. Gabapentin93 claims
  3. Metformin Hcl71 claims
  4. Amlodipine Besylate65 claims
  5. Metoprolol Succinate50 claims
  6. Albuterol Sulfate Hfa49 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.

Catherine Anne Berg among 16,966 family nurse practitioner records in California

Catherine Anne Berg, NP, FNP-BC, ACNP-BC is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 15% of them.

  • NPI issued2009 · 15% of these records are older, 83% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2017 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 family nurse practitioner records list a practice address in Brentwood

They are 20 of the 1,212 NPPES records with a practice address in Brentwood, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Florante BaguioBrentwood, CA 945131548985237
  2. Rosemary Canales, CNPBrentwood, CA 945131366602146
  3. Deidra Francis, FNPBrentwood, CA 945131770998965
  4. Jessica Hill, RN, FNPBrentwood, CA 945131114315520
  5. Christina LacklandBrentwood, CA 945131023574423
  6. Sandra LeeBrentwood, CA 945131689014995
  7. Nicollette Mitra, FNPBrentwood, CA 945131295396125
  8. Pente Ng, RN, MSN, FNP-CBrentwood, CA 945131720619885

Common questions

What is Catherine Anne Berg, NP, FNP-BC, ACNP-BC's NPI number?

Catherine Anne Berg, NP, FNP-BC, ACNP-BC's National Provider Identifier (NPI) is 1316171341, issued on May 5, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Anne Berg, NP, FNP-BC, ACNP-BC located?

The NPPES record lists a practice address at 171 Sand Creek RD Ste A, Brentwood, CA, 94513. Phone: (800) 495-8885. Providers update this record themselves, so call before visiting.

How can I verify Catherine Anne Berg, NP, FNP-BC, ACNP-BC's license?

NPPES lists California license number 18289, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Catherine Anne Berg, NP, FNP-BC, ACNP-BC prescribe under Medicare Part D?

In 2024, Catherine Anne Berg, NP, FNP-BC, ACNP-BC had 1,455 Medicare Part D claims for 100 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.