NPPES file of Aug 9, 2026

Anna-Kaisa Niemi, M.D., PH.D.

Neonatal-Perinatal Medicine Physician · San Diego, CA

Anna-Kaisa Niemi, M.D., PH.D. is a neonatal-perinatal medicine physician with a practice address in San Diego, California, and NPI 1497941397, issued on Sep 25, 2007. Check the license (California A104907, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497941397
Name
Anna-Kaisa Niemi
Credential
M.D., PH.D.
Primary taxonomy
Neonatal-Perinatal Medicine Physician 2080N0001X
License number
A104907 CA
Self-reported in NPPES; status is on the state search
Practice location
3020 Childrens Way, San Diego, CA 92123
Phone
(858) 309-6300
Enumerated
Sep 25, 2007
Record last updated
Jul 11, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(858) 966-7483
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 neonatal-perinatal medicine physician records → All 871 in California → Look up another NPI →

Also registered at 3020 Childrens Way

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

  1. Blaine AbateMental Health Counselor1457684060
  2. Emily Abcede, ARNP, CPNPPediatric Nurse Practitioner1548654916
  3. Jason Adams, MD, PHDStudent in an Organized Health Care Education/Training Program1497507719
  4. Anneliese AdkinsOccupational Therapist1992904098
  5. Roxana Aghili, DOPediatrics Physician1851927883
  6. Natalie Aitchison, MDPsychiatry Physician1588876825

Verify Anna-Kaisa Niemi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A104907    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 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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Anna-Kaisa Niemi among 871 neonatal-perinatal medicine physician records in California

Anna-Kaisa Niemi, M.D., PH.D. is one of 871 neonatal-perinatal medicine physician records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 36% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2018 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neonatal-Perinatal Medicine Physician providers in California

There are 871 neonatal-perinatal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 871 in California → Every provider in San Diego → Neonatal-Perinatal Medicine Physician nationwide →

The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes

  1. Graham Bernstein, M.D.San Diego, CA 921231821169681
  2. Marva Evans, M.D.San Diego, CA 921231730250598
  3. Bergen Folsom, MDSan Diego, CA 921231093809667
  4. Zahra Ghorishi, M.D.San Diego, CA 921231386715134
  5. Jeevarathi Gnanaratnem, M.D.San Diego, CA 921231467523225
  6. Jose Honold, M.D.San Diego, CA 921231093886855
  7. David Kaegi, M.D.San Diego, CA 921231811068679
  8. Karen Mestan, MDSan Diego, CA 921231942253356

Common questions

What is Anna-Kaisa Niemi, M.D., PH.D.'s NPI number?

Anna-Kaisa Niemi, M.D., PH.D.'s National Provider Identifier (NPI) is 1497941397, issued on Sep 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Anna-Kaisa Niemi, M.D., PH.D. located?

The NPPES record lists a practice address at 3020 Childrens Way, San Diego, CA, 92123. Phone: (858) 309-6300. Providers update this record themselves, so call before visiting.

How can I verify Anna-Kaisa Niemi, M.D., PH.D.'s license?

NPPES lists California license number A104907, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.