Aili Guo, MD
NPI 1598822645 · Endocrinology, Diabetes & Metabolism Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aili Guo, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Sacramento, CA (NPI 1598822645).
Provider details
- NPI number
- 1598822645
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 60492241205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
699 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 157 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 108 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 100 | $132 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 74 | $17 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 66 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 230 | 60 |
| Semaglutidebrand: Ozempic | 55 | — |
| Levothyroxine Sodiumbrand: Synthroid | 52 | 11 |
| Alendronate Sodium | 52 | 16 |
| Dulaglutidebrand: Trulicity | 48 | — |
| Empagliflozinbrand: Jardiance | 45 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-01
- Last updated
- 2020-03-24
- Certified
- 2020-03-24
Frequently asked questions
- What is Aili Guo's NPI number?
- Aili Guo's National Provider Identifier (NPI) is 1598822645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aili Guo's specialty?
- Aili Guo is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Aili Guo located?
- Aili Guo's practice location on file with NPPES is 2315 Stockton Blvd, Sacramento, CA 95817-2201.
- What is Aili Guo's phone number?
- The practice phone number listed in the NPPES registry for Aili Guo is (916) 734-3730.
- Does Aili Guo accept Medicare?
- Aili Guo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aili Guo's NPI active?
- Yes — Aili Guo's NPI (1598822645) is active in the NPPES registry as of the last update on 2020-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.