Body Mass IndexClinical ProtocolsDelivery, Obstetric
Dr. Esteban Andryjowicz, MD
NPI1275681058
- Part D claims, 2023
- 25
- Publications
- 4
- Hospital affiliations
- 1
- Industry payments
- $61
- Medical group
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Andryjowicz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Esteban Andryjowicz is an OB-GYN in Fontana, California
Dr. Andryjowicz practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. Andryjowicz's NPI, 1275681058, was assigned on January 8, 2007. Dr. Andryjowicz graduated from Michael G. DeGroote School of Medicine in 1980. Dr. Andryjowicz holds California license G55816.
NPI and contact details
- NPI
- 1275681058NPI Registry (opens in a new tab)
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Esteban Andryjowicz practices at 2 locations in Fontana, California
Dr. Andryjowicz's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000. The NPI Registry lists Dr. Andryjowicz's practice address as 9965 Sierra Ave, Fontana, CA 92335.
- Fontana Medical CenterPrimary9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
- NPI Registry address9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Esteban Andryjowicz is affiliated with 1 site of care and 1 medical group
Dr. Andryjowicz's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Esteban Andryjowicz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Andryjowicz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Esteban Andryjowicz is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Andryjowicz's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Andryjowicz is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Andryjowicz's licenses on file in 2 states: California and Alabama.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Alabama license
OB-GYNs near Dr. Andryjowicz
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Esteban Andryjowicz's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Dr. Andryjowicz's median patient age at 37, with 100% women.
Dr. Andryjowicz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Esteban Andryjowicz wrote 25 Medicare Part D claims in 2023
In 2023, Dr. Andryjowicz wrote 25 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $744 in total drug cost. In 2022, CMS named 28 claims across 1 drug.
Part D claims, 202325
Drugs named by CMS1
Total drug cost$744
Dr. Andryjowicz's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 282023: 2511%
Drugs named by CMS: 1 in 2023, 1 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Esteban Andryjowicz has 4 publications on record
Dmand AI links 4 papers to Dr. Andryjowicz in 2015. Dr. Andryjowicz has published most often in Perm J. Dr. Andryjowicz's most frequent co-authors are Sandra C. Crowder, MD, Sara Noroozkhani, MD and James D. Rudolf, MD.
Papers4
Dr. Andryjowicz's most frequent co-authors
- Sandra C. Crowder, MD1 shared paper
- Sara Noroozkhani, MD1 shared paper
- James D. Rudolf, MD1 shared paper
Recent publications by Dr. Andryjowicz
Administration, TopicalAnastomosis, SurgicalCautery
AdenocarcinomaCarcinoma, Squamous CellCecal Neoplasms
See who Dr. Andryjowicz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Andryjowicz works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Esteban Andryjowicz received $61 in industry payments in 2019
CMS Open Payments shows 2 general payments to Dr. Andryjowicz from 2 drug and device companies in 2019. Food and beverage make up the largest share, 100% of the total. AMAG Pharmaceuticals, Inc. paid the most, $31.
Companies that paid Dr. Andryjowicz the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Esteban Andryjowicz has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Andryjowicz, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Andryjowicz
- 2011
- CMS Stage 1 2012
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Esteban Andryjowicz graduated from Michael G. DeGroote School of Medicine
Dr. Andryjowicz graduated from Michael G. DeGroote School of Medicine in 1980. Dr. Andryjowicz is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Sources for Dr. Esteban Andryjowicz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Esteban Andryjowicz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Esteban Andryjowicz's NPI number?
Dr. Esteban Andryjowicz's NPI number is 1275681058. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Esteban Andryjowicz?
Dr. Esteban Andryjowicz is an OB-GYN in Fontana, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Esteban Andryjowicz practice?
Dr. Andryjowicz practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Andryjowicz also practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Andryjowicz's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Dr. Esteban Andryjowicz's office phone number?
The practice phone on file for Dr. Andryjowicz is (909) 427-5000.
What is Dr. Esteban Andryjowicz's medical license number?
Dr. Andryjowicz holds California license G55816, one of the licenses on file in 2 states.
Which states has Dr. Esteban Andryjowicz been licensed in?
Dmand AI has state licenses on file for Dr. Andryjowicz in California (1985 to 2027) and Alabama (1985 to 1986).
Which hospitals is Dr. Esteban Andryjowicz affiliated with?
Dr. Andryjowicz practices at Fontana Medical Center in Fontana, California.
What medical group is Dr. Esteban Andryjowicz part of?
Dr. Andryjowicz is linked to Southern California Permanente Medical Group.
Is Dr. Esteban Andryjowicz board certified?
Yes. Dr. Andryjowicz is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. Esteban Andryjowicz go to medical school?
Dr. Andryjowicz graduated from Michael G. DeGroote School of Medicine in 1980.
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What drugs does Dr. Esteban Andryjowicz prescribe most?
In 2023 Medicare Part D data, Dr. Andryjowicz's most prescribed drugs by claims were Estradiol.
Has Dr. Esteban Andryjowicz received payments from drug or device companies?
CMS Open Payments shows $61 in general payments to Dr. Andryjowicz from 2 companies from 2019 to 2019. The largest total came from AMAG Pharmaceuticals, Inc.
How long has Dr. Esteban Andryjowicz been practicing?
Dr. Andryjowicz graduated from medical school in 1980, 46 years ago.
Does Dr. Esteban Andryjowicz do research?
Dmand AI links 4 publications to Dr. Andryjowicz.
Who does Dr. Esteban Andryjowicz publish with?
Dr. Andryjowicz's most frequent co-authors are Sandra C. Crowder, MD (1 shared paper), Sara Noroozkhani, MD (1 shared paper) and James D. Rudolf, MD (1 shared paper).
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