Doctor profile · Federal record

Dr. Alyssa Milliron, MD

Internal Medicine Physician (CMS: Internal Medicine) · Chico, CA

  • NPI 1033640099
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
680 Cohasset RD
Chico, CA 959262213
(530) 342-4395
fax (530) 894-2325

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
May 22, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A157920

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033640099. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
58
Distinct HCPCS
1
Medicare allowed
$198
HCPCS Description Services Patients Avg allowed
81002 Urinalysis, manual test 58 52 $3

In context: peer comparison

Among 4 peers in this city , average services per provider: 226. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,453
Transactions
77
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 18 $269.68
Daiichi Sankyo Inc. 15 $219.95
Indivior Inc. 5 $160.84
Merck Sharp & Dohme LLC 6 $147.21
ViiV Healthcare Company 5 $113.40
Salix Pharmaceuticals, a division of Bausch Health US, LLC 6 $92.33
Amgen Inc. 4 $90.84
Novo Nordisk Inc 4 $79.43
Lilly USA, LLC 4 $61.75
Hologic Sales and Service, LLC 2 $47.77
AstraZeneca Pharmaceuticals LP 2 $37.80
PFIZER INC. 2 $35.45
GlaxoSmithKline, LLC. 2 $33.97
QIAGEN, LLC 1 $21.41
ALK-Abello, Inc 1 $20.84

By nature of payment

Food and Beverage
$1,453

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,324
Patients
378
Total drug cost
$299,263
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 167 53 $3,933
Gabapentin Generic 118 32 $3,918
Ozempic (Semaglutide) Brand 111 28 $173,233
Levothyroxine Sodium Generic 106 30 $2,355
Omeprazole Generic 99 29 $1,615
Metformin Hcl Generic 86 23 $1,559
Lisinopril Generic 84 29 $1,662
Tamsulosin Hcl Generic 82 14 $2,450
Simvastatin Generic 79 17 $1,064
Amlodipine Besylate Generic 78 24 $705

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alyssa Milliron's medical specialty?
Dr. Alyssa Milliron practices Internal Medicine Physician in Chico, CA.
Where does Dr. Alyssa Milliron practice?
Dr. Alyssa Milliron practices at 680 Cohasset RD, Chico, CA 959262213. Office phone: 5303424395.
What is Dr. Alyssa Milliron's NPI?
Dr. Alyssa Milliron's National Provider Identifier (NPI) is 1033640099, issued by NPPES.
Does Dr. Alyssa Milliron accept Medicare assignment?
Yes. Dr. Alyssa Milliron accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyssa Milliron commonly perform?
Top Medicare-reported procedures in 2023: Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.