Nancy Broitman Mozelsio, MD
Allergy & Immunology Physician · Walnut Creek, CA
Nancy Broitman Mozelsio, MD is an allergy & immunology physician with a practice address in Walnut Creek, California, and NPI 1114910551, issued on Aug 30, 2005. Check the license (California A75031, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nancy Broitman Mozelsio
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- A75031 CA
Self-reported in NPPES; status is on the state search - Practice location
- 130 LA Casa Via, Walnut Creek, CA 94598
- Phone
- (925) 935-6252
- Enumerated
- Aug 30, 2005
- Record last updated
- Nov 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (925) 930-0942
- Medicare enrollment
- Enrolled (PECOS I20040326001419); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 444 in California → Look up another NPI →
Also registered at 130 LA Casa Via
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shilpi Anand, M.D.Allergy Physician1871556605
- Michael Baker, M.D.Surgery Physician1043309008
- Emily Brama, RN, MSN, FNP, NP-CNurse Practitioner1952696684
- Angela Christian, N.P.Nurse Practitioner1023442167
- Michael Cohen, M.D.Critical Care Medicine (Internal Medicine) Physician1205885779
- David Cook, MDAllergy & Immunology Physician1740282425
Verify Nancy Broitman Mozelsio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A75031Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
711 Medicare Part D claims for 182 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Montelukast Sodium208 claims
- Azelastine Hcl97 claims
- Albuterol Sulfate Hfa32 claims
- Breo Ellipta26 claims
- Epinephrine24 claims
- Ipratropium Bromide23 claims
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 69.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $538.19
21 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Allergy And Asthma Medical Group OF The Bay Area IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Broitman Mozelsio among 444 allergy & immunology physician records in California
Nancy Broitman Mozelsio, MD is one of 444 allergy & immunology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1996 · median 2004 among the 281 with a school on file
- Record last updated2011 · 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 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in California
There are 444 allergy & immunology physician records in California.
All 444 in California → Every provider in Walnut Creek → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Eric Chen, MDWalnut Creek, CA 945981558440222
- David Cook, MDWalnut Creek, CA 945981740282425
- David Fan, MDWalnut Creek, CA 945981619596152
- Karna Gendo, M.D.Walnut Creek, CA 945981720164536
- Ilisten Jones, M.D., M.P.H.Walnut Creek, CA 945981407148943
- Toral Kamdar, M.D.Walnut Creek, CA 945981073776555
- Barbara Karpel, MDWalnut Creek, CA 945981033111729
- Matthew Lodewick, MDWalnut Creek, CA 945981922091362
Common questions
What is Nancy Broitman Mozelsio, MD's NPI number?
Nancy Broitman Mozelsio, MD's National Provider Identifier (NPI) is 1114910551, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Broitman Mozelsio, MD located?
The NPPES record lists a practice address at 130 LA Casa Via, Walnut Creek, CA, 94598. Phone: (925) 935-6252. Providers update this record themselves, so call before visiting.
How can I verify Nancy Broitman Mozelsio, MD's license?
NPPES lists California license number A75031, 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.
How much does Nancy Broitman Mozelsio, MD prescribe under Medicare Part D?
In 2024, Nancy Broitman Mozelsio, MD had 711 Medicare Part D claims for 182 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Nancy Broitman Mozelsio, MD's MIPS final score?
The 2023 MIPS final score is 69.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.