Doctor profile · Federal record

Dr. Michael McCormick, M.D.

Allergy Physician (CMS: Allergy/Immunology) · Grass Valley, CA

  • NPI 1235215302
  • Accepts Medicare
  • MIPS 94.4 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Sierra College Dr, Suite 235
Grass Valley, CA 959455082
(530) 273-6530
fax (530) 273-3951

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
September 14, 2018
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207KA0200X — NUCC code
State license (1)
California #A068844
Medicaid (2)
CA #GR0100570 · CA #GR0100571

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235215302. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
33,146
Distinct HCPCS
10
Medicare allowed
$558,603
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 15,455 417 $16
95004 Test for allergy using allergenic extract 7,220 113 $4
95117 Professional service for multiple injections of allergen 6,696 411 $13
95115 Professional service for single injection of allergen 1,828 305 $11
99213 Established patient office or other outpatient visit, 20-29 minutes 578 438 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 467 308 $133
94010 Test to measure expiratory airflow and volume 395 325 $29
99204 New patient office or other outpatient visit, 45-59 minutes 186 186 $173
95024 Test for allergy using allergenic extract injected into skin 168 54 $9
95012 Test to measure the level of nitric oxide gas 66 58 $20

In context: peer comparison

Among 1 peers in this city , average services per provider: 2,549. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$270
Transactions
10
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Blueprint Medicines Corporation 1 $52.17
GENZYME CORPORATION 2 $41.43
ABBVIE INC. 1 $32.95
BioCryst US Sales Co., LLC 1 $27.44
PFIZER INC. 1 $24.80
Optinose US, Inc. 1 $24.49
GlaxoSmithKline, LLC. 1 $24.17
Grifols USA, LLC 1 $22.69
AstraZeneca Pharmaceuticals LP 1 $20.00

By nature of payment

Food and Beverage
$270

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,671
Patients
574
Total drug cost
$444,726
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 382 102 $5,458
Breo Ellipta (Fluticasone/Vilanterol) Brand 206 40 $118,001
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 176 36 $156,789
Azelastine Hcl Generic 170 67 $6,348
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 142 86 $5,576
Symbicort (Budesonide/Formoterol Fumarate) Brand 131 37 $86,303
Fluticasone Propionate Generic 105 41 $2,078
Ipratropium Bromide Generic 89 36 $4,278
Arnuity Ellipta (Fluticasone Furoate) Brand 69 16 $24,485
Ventolin Hfa (Albuterol Sulfate) Brand 41 33 $3,263

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael McCormick's medical specialty?
Dr. Michael McCormick practices Allergy Physician in Grass Valley, CA.
Where does Dr. Michael McCormick practice?
Dr. Michael McCormick practices at 300 Sierra College Dr, Grass Valley, CA 959455082. Office phone: 5302736530.
What is Dr. Michael McCormick's NPI?
Dr. Michael McCormick's National Provider Identifier (NPI) is 1235215302, issued by NPPES.
Does Dr. Michael McCormick accept Medicare assignment?
Yes. Dr. Michael McCormick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael McCormick commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Test for allergy using allergenic extract (HCPCS 95004); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.