Allergy Asthma Proc
Dr. Nancy Kay Ostrom, MD
- Medicare services, 2018
- 53
- Part D claims, 2019
- 12
- Publications
- 27
- Industry payments
- $65,478
- Insurance carriers
- 4
- Practice address
- 4110 Holt Blvd, Montclair, CA 91763
- Practice phone
- Call (818) 599-8998
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dignity Adult Day Health Care Center
Montclair, California
Find Dr. Ostrom'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. Nancy Kay Ostrom is an allergist and immunologist in Montclair, California
Dr. Ostrom practices at Dignity Adult Day Health Care Center in Montclair, California.
Dr. Ostrom's NPI, 1437177060, was assigned on July 18, 2006. Dr. Ostrom graduated from Mayo Clinic Alix School of Medicine - Rochester in 1980. Dr. Ostrom holds California license G56048.
- NPI
- 1437177060NPI Registry (opens in a new tab)
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Practice phone
- (818) 599-8998
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Nancy Kay Ostrom practices at Dignity Adult Day Health Care Center in Montclair, California
Dr. Ostrom's primary practice is Dignity Adult Day Health Care Center, at 4110 Holt Blvd, Montclair, CA 91763 in San Bernardino County. The practice phone is (818) 599-8998.
- Dignity Adult Day Health Care Center4110 Holt Blvd, Montclair, CA 91763 · San Bernardino CountyPhone(818) 599-8998
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nancy Kay Ostrom is affiliated with 1 site of care
Dr. Ostrom's primary practice is Dignity Adult Day Health Care Center in Montclair, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Nancy Kay Ostrom's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ostrom practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Adult Day Health Care Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nancy Kay Ostrom is one of 386 allergists and immunologists in California
Allergy and immunology is Dr. Ostrom's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Ostrom is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Ostrom's licenses on file in 2 states: California and Minnesota.
Specialties and state licenses
- Allergy and immunology, CaliforniaPrimary
- Minnesota license
Allergists and immunologists near Dr. Ostrom
Counts of allergists and immunologists 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. Nancy Kay Ostrom billed Medicare for 53 services in 2018
CMS data shows 53 Medicare services from Dr. Ostrom across 2 procedure codes in 2018. Medicare paid $3,181 for them. Every service was in an office.
Dr. Ostrom's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 452018: 3718%
- Tests and treatments
- 2017: 02018: 16
Dr. Ostrom compared with the California median for allergists and immunologists, 2018
- Dr. Ostrom
- California median
- Medicare services
- 53vs 1,84097% below
- Part D claims
- 12vs 25995% below
Medians across 368 allergists and immunologists in California with Dmand AI profiles that report each measure.
Dr. Ostrom's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ostrom?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ostrom and other allergists and immunologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nancy Kay Ostrom's patients have a median age of 19
Across all payers, Dmand AI patient panel data puts Dr. Ostrom's median patient age at 19, with 46% women.
Dr. Ostrom's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 19
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Nancy Kay Ostrom wrote 12 Medicare Part D claims in 2019
In 2019, Dr. Ostrom wrote 12 Medicare Part D claims. They cover 1 drug, with $2,552 in total drug cost. In 2018, CMS named 155 claims across 8 drugs.
Dr. Ostrom's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 1552019: 1292%
Drugs named by CMS: 1 in 2019, 8 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Nancy Kay Ostrom has 27 publications on record
Dmand AI links 27 papers to Dr. Ostrom, published from 2003 to 2018. 2015 was the busiest year, with 2. The most frequent topics are Asthma, Double-Blind Method and Anti-Asthmatic Agents. Dr. Ostrom has published most often in Allergy Asthma Proc. Dr. Ostrom's most frequent co-authors are Gene L. Colice, MD, Eli Owen Meltzer, MD and Nemr S. Eid, MD.
Dr. Ostrom's papers by year, 2003 to 2018
Topics Dr. Ostrom writes about most
- Asthma
- Double-Blind Method
- Anti-Asthmatic Agents
- Asthma, Exercise-Induced
- Albuterol
- Acetates
- Androstadienes
- Anti-Allergic Agents
Dr. Ostrom's most frequent co-authors
- Gene L. Colice, MD5 shared papers
- Eli Owen Meltzer, MD5 shared papers
- Nemr S. Eid, MD4 shared papers
Recent publications by Dr. Ostrom
Environ Health Perspect
Ann Allergy Asthma Immunol
See who Dr. Ostrom researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ostrom works with, so you can find a warm path to the right allergists and immunologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nancy Kay Ostrom received $65,478 in industry payments from 2016 to 2022
CMS Open Payments shows 255 general payments to Dr. Ostrom from 17 drug and device companies from 2016 to 2022. Speaker and faculty fees make up the largest share, 44% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $44,352. It also lists 17 research payments totaling $3,488 from 2016 to 2017.
General payments to Dr. Ostrom by program year, 2016 to 2022
General payments to Dr. Ostrom by kind, 2016 to 2022
- Speaker and faculty fees$28,50044%
- Consulting fees$19,33430%
- Travel and lodging$9,00014%
- Food and beverage$8,57913%
- Education$650%
Companies that paid Dr. Ostrom the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nancy Kay Ostrom has 6 awards and honors on record
Dmand AI lists 6 awards for Dr. Ostrom, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Ostrom
- 2014
- America's Top Doctors
- 2013
- Top Doctors:San Diego Area
- 2012
- Top Doctors:Southern California
- Undated
- AAAAI Fellow
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Nancy Kay Ostrom graduated from Mayo Clinic Alix School of Medicine - Rochester
Dr. Ostrom graduated from Mayo Clinic Alix School of Medicine - Rochester in 1980. Dr. Ostrom is a member of AAAAI.
- Medical school
- Board certified in allergy & immunology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Nancy Kay Ostrom accepts plans from 4 insurance carriers
Dr. Ostrom is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
Plan types Dr. Ostrom accepts, by number of carriers
- Medicare4
- PPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Nancy Kay Ostrom'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Nancy Kay Ostrom
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. Nancy Kay Ostrom's NPI number?
Dr. Nancy Kay Ostrom's NPI number is 1437177060. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nancy Kay Ostrom?
Dr. Nancy Kay Ostrom is an allergist and immunologist in Montclair, California. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Nancy Kay Ostrom practice?
Dr. Ostrom practices at 4110 Holt Blvd, Montclair, CA 91763. Dr. Ostrom's primary practice is Dignity Adult Day Health Care Center in Montclair, California.
What is Dr. Nancy Kay Ostrom's office phone number?
The practice phone on file for Dr. Ostrom is (818) 599-8998.
What is Dr. Nancy Kay Ostrom's medical license number?
Dr. Ostrom holds California license G56048, one of the licenses on file in 2 states.
Which states has Dr. Nancy Kay Ostrom been licensed in?
Dmand AI has state licenses on file for Dr. Ostrom in California (1985 to 2026) and Minnesota (1981 to 2012).
Does Dr. Nancy Kay Ostrom accept Medicare?
Yes. CMS data shows Dr. Ostrom billed Medicare for 53 services in 2018.
Is Dr. Nancy Kay Ostrom board certified?
Yes. Dr. Ostrom is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. Nancy Kay Ostrom bill to Medicare?
In 2018, Dr. Ostrom's most billed Medicare services were office visit, established patient (99214) and lung function service (94010).
Where did Dr. Nancy Kay Ostrom go to medical school?
Dr. Ostrom graduated from Mayo Clinic Alix School of Medicine - Rochester in 1980.
Show 6 more questionsShow fewer questions
What drugs does Dr. Nancy Kay Ostrom prescribe most?
In 2019 Medicare Part D data, Dr. Ostrom's most prescribed drugs by claims were Arnuity Ellipta.
Has Dr. Nancy Kay Ostrom received payments from drug or device companies?
CMS Open Payments shows $65,478 in general payments to Dr. Ostrom from 17 companies from 2016 to 2022. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Nancy Kay Ostrom been practicing?
Dr. Ostrom graduated from medical school in 1980, 46 years ago.
Does Dr. Nancy Kay Ostrom do research?
Dmand AI links 27 publications to Dr. Ostrom, published from 2003 to 2018.
Who does Dr. Nancy Kay Ostrom publish with?
Dr. Ostrom's most frequent co-authors are Gene L. Colice, MD (5 shared papers), Eli Owen Meltzer, MD (5 shared papers) and Nemr S. Eid, MD (4 shared papers).
What insurance does Dr. Nancy Kay Ostrom accept?
Dr. Ostrom is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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