Joanna Halkias, MD
Neonatal-Perinatal Medicine Physician · Berkeley, CA
Joanna Halkias, MD is a neonatal-perinatal medicine physician with a practice address in Berkeley, California, and NPI 1255537163, issued on Jun 26, 2007. Check the license (California A83656, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Joanna Halkias
- Credential
- MD
- Primary taxonomy
- Neonatal-Perinatal Medicine Physician 2080N0001X
- License number
- A83656 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2450 Ashby Ave, Berkeley, CA 94705
- Phone
- (510) 204-1626
- Enumerated
- Jun 26, 2007
- Record last updated
- Feb 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20260220003509); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest neonatal-perinatal medicine physician records → All 871 in California → Look up another NPI →
Also registered at 2450 Ashby Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Henry Abrons, M.D.Critical Care Medicine (Internal Medicine) Physician1821001470
- Bobbi AllisonLactation Consultant (Registered Nurse)1952033888
- Madison Andersen, RN, BSNRegistered Nurse1518814763
- Neel Arant, CNMAdvanced Practice Midwife1528088283
- Marina Atala, M.D.Hospitalist Physician1992722359
- Richard Bails, M.D.Cardiovascular Disease Physician1336163450
Verify Joanna Halkias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joanna Halkias among 871 neonatal-perinatal medicine physician records in California
Joanna Halkias, MD 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 fileYes · 7% of these records are
- Graduated2001 · median 2012 among the 61 with a school on file
- Record last updated2026 · 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 Berkeley → Neonatal-Perinatal Medicine Physician nationwide →
The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes
- Gilbert DuritzBerkeley, CA 947051104962943
- Namrata Jhaveri, MDOakland, CA 946111982633004
- Golde Dudell, MDOakland, CA 946091114968971
- Vaneet Kalra, M.DOakland, CA 946091316120934
- Kimberly Larson, MDOakland, CA 946091730473885
- Spencer Magargal, MDOakland, CA 946091013278787
- Nandita Mandhani, MDOakland, CA 946091235487752
- Jeffrey Merrill, MDOakland, CA 946091720017254
Common questions
What is Joanna Halkias, MD's NPI number?
Joanna Halkias, MD's National Provider Identifier (NPI) is 1255537163, issued on Jun 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Halkias, MD located?
The NPPES record lists a practice address at 2450 Ashby Ave, Berkeley, CA, 94705. Phone: (510) 204-1626. Providers update this record themselves, so call before visiting.
How can I verify Joanna Halkias, MD's license?
NPPES lists California license number A83656, 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.
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.