Doctor profile · Federal record
Dr. Nancy Mozelsio, MD
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Walnut Creek, CA
- NPI 1114910551
- Accepts Medicare
- MIPS 69.9 / 100 · 2023
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
130 la Casa Via, Bldg 2, #209
Walnut Creek, CA 945983045
(925) 935-6252
fax (925) 930-0942
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- November 22, 2011
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- California #A75031
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114910551. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,157
Distinct HCPCS
10
Medicare allowed
$68,929
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 1,372 | 44 | $5 | |
95117 |
Professional service for multiple injections of allergen | 431 | 37 | $16 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 385 | 41 | $20 | |
96372 |
Injection of drug or substance under skin or into muscle | 262 | 12 | $18 | |
95115 |
Professional service for single injection of allergen | 154 | 11 | $14 | |
95024 |
Test for allergy using allergenic extract injected into skin | 151 | 29 | $11 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 128 | 96 | $143 | |
96160 |
Administration and interpretation of patient-focused health risk assessment | 83 | 62 | $4 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 51 | 44 | $102 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $196 |
In context: peer comparison
Among 3 peers in Walnut Creek Allergy & Immunology Physician, average services per provider: 222. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$538
Transactions
21
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., INC. | 6 | $184.87 | |
| Amgen INC. | 4 | $101.17 | |
| Kaleo, INC. | 3 | $82.22 | |
| GlaxoSmithKline, LLC. | 3 | $69.18 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $30.60 | |
| Octapharma USA, INC. | 1 | $27.18 | |
| Grifols USA, LLC | 1 | $22.73 | |
| Leo Pharma INC. | 1 | $20.24 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
578
Patients
178
Total drug cost
$184,251
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 230 | 71 | $4,427 |
| Azelastine Hcl | Generic | 77 | 40 | $4,570 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 34 | 11 | $20,940 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 29 | 21 | $1,114 |
| Ipratropium Bromide | Generic | 27 | 0 | $1,326 |
| Epinephrine | Generic | 25 | 22 | $6,364 |
| Flovent Hfa (Fluticasone Propionate) | Brand | 22 | 0 | $12,146 |
| Fluticasone Propionate | Generic | 22 | 0 | $441 |
| Xolair (Omalizumab) | Brand | 22 | 0 | $43,803 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 19 | 0 | $9,977 |
Frequently asked questions
What is Dr. Nancy Mozelsio's medical specialty?
Dr. Nancy Mozelsio practices Allergy & Immunology Physician in Walnut Creek, CA.
Where does Dr. Nancy Mozelsio practice?
Dr. Nancy Mozelsio practices at 130 la Casa Via, Walnut Creek, CA 945983045. Office phone: 9259356252.
What is Dr. Nancy Mozelsio's NPI?
Dr. Nancy Mozelsio's National Provider Identifier (NPI) is 1114910551, issued by NPPES.
Does Dr. Nancy Mozelsio accept Medicare assignment?
Yes. Dr. Nancy Mozelsio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Mozelsio commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for multiple injections of allergen (HCPCS 95117); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165). Source: CMS Medicare Physician & Other Practitioners file.