Mary Khristeen J. Isidro, NP
Adult Health Nurse Practitioner · Signal Hill, CA
Mary Khristeen J. Isidro, NP is an adult health nurse practitioner with a practice address in Signal Hill, California, and NPI 1528822525, issued on Feb 9, 2024. Check the license (California 95029020, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Khristeen J. Isidro
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 95029020 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2855 Temple Ave Ste B, Signal Hill, CA 90755
- Phone
- (562) 426-7500
- Enumerated
- Feb 9, 2024
- Record last updated
- Mar 31, 2026
- Fax
- (562) 424-9588
- Medicare enrollment
- Enrolled (PECOS I20241118001598); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,405 in California → Look up another NPI →
Also registered at 2855 Temple Ave Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria Cabrales, NPFamily Nurse Practitioner1497440119
- Gladys Casillas, NPNurse Practitioner1750632519
- Lynn Keitz, FNP-CFamily Nurse Practitioner1699231621
- Marien Zavala, AGAC-NPNurse Practitioner1780163188
Verify Mary Khristeen J. Isidro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95029020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
22 Medicare Part D claims, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
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
- AB Safe Haven Palliative And Hospice Care IncSignal Hill, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Khristeen J. Isidro among 1,405 adult health nurse practitioner records in California
Mary Khristeen J. Isidro, NP is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 93% of them.
- NPI issued2024 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 31% of these records are
- Graduated2020 · median 2013 among the 441 with a school on file
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 adult health nurse practitioner records list a practice address in Signal Hill
They are 2 of the 257 NPPES records with a practice address in Signal Hill, and 1,405 adult health nurse practitioner records in California.
All 1,405 in California → Every provider in Signal Hill → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Princess Martin-Ayong, MSN, AGNP-CSignal Hill, CA 907551922873587
- Ma Susana Spitz, AGPCNPSeal Beach, CA 907401942780002
- Natalie Rodriguez, N.PSan Pedro, CA 907311396170064
- Elizabeth Servaites, NPSan Pedro, CA 907311053989012
- Ellen DubachLos Alamitos, CA 907201124834593
- Haoyen Shuitngaen Kum, NPLos Alamitos, CA 907201215235825
- Tania JociusHarbor City, CA 907101710693197
- Marija Rasmussen, CRNPHarbor City, CA 907101265581151
Common questions
What is Mary Khristeen J. Isidro, NP's NPI number?
Mary Khristeen J. Isidro, NP's National Provider Identifier (NPI) is 1528822525, issued on Feb 9, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mary Khristeen J. Isidro, NP located?
The NPPES record lists a practice address at 2855 Temple Ave Ste B, Signal Hill, CA, 90755. Phone: (562) 426-7500. Providers update this record themselves, so call before visiting.
How can I verify Mary Khristeen J. Isidro, NP's license?
NPPES lists California license number 95029020, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Khristeen J. Isidro, NP prescribe under Medicare Part D?
In 2024, Mary Khristeen J. Isidro, NP had 22 Medicare Part D claims; the average among adult health nurse practitioner prescribers was 1,280. 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.