Doctor profile · Federal record

Dr. Aili Guo, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Endocrinology, Diabetes & Metabolism Physician · Sacramento, CA

  • NPI 1598822645
  • Accepts Medicare
  • 43 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2315 Stockton Blvd
Sacramento, CA 958172201
(916) 734-3730

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
March 24, 2020
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (3)
California #A130171 · Utah #60492241205 · Ohio #35.095592

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598822645. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,076
Distinct HCPCS
10
Medicare allowed
$134,467
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 2,460 25 $23
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 181 64 $82
99214 Established patient office or other outpatient visit, 30-39 minutes 128 78 $101
99214 Established patient office or other outpatient visit, 30-39 minutes 87 60 $136
99215 Established patient office or other outpatient visit, 40-54 minutes 66 51 $149
99215 Established patient office or other outpatient visit, 40-54 minutes 63 48 $187
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 26 26 $180
99205 New patient office or other outpatient visit, 60-74 minutes 20 20 $188
99205 New patient office or other outpatient visit, 60-74 minutes 17 17 $232
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 17 15 $124

In context: peer comparison

Among 12 peers in Sacramento Endocrinology, Diabetes & Metabolism Physician, average services per provider: 473. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
891
Patients
180
Total drug cost
$647,346
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 270 67 $4,697
Trulicity (Dulaglutide) Brand 75 13 $96,497
Tradjenta (Linagliptin) Brand 70 15 $59,155
Jardiance (Empagliflozin) Brand 65 20 $86,201
Rybelsus (Semaglutide) Brand 59 13 $77,983
Forteo (Teriparatide) Brand 46 0 $205,939
Metformin Hcl Generic 41 12 $823
Novolog Flexpen (Insulin Aspart) Brand 41 11 $42,707
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 37 15 $17,702
Glipizide ER (Glipizide) Brand 35 0 $451

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aili Guo's medical specialty?
Dr. Aili Guo practices Endocrinology, Diabetes & Metabolism Physician in Sacramento, CA.
Where does Dr. Aili Guo practice?
Dr. Aili Guo practices at 2315 Stockton Blvd, Sacramento, CA 958172201. Office phone: 9167343730.
What is Dr. Aili Guo's NPI?
Dr. Aili Guo's National Provider Identifier (NPI) is 1598822645, issued by NPPES.
Does Dr. Aili Guo accept Medicare assignment?
Yes. Dr. Aili Guo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aili Guo commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.