Leena Singh, MD, PHD
NPI 1033172689 · Endocrinology, Diabetes & Metabolism Physician · Chico, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leena Singh, MD, PHD is a Endocrinology, Diabetes & Metabolism Physician provider in Chico, CA (NPI 1033172689).
Provider details
- NPI number
- 1033172689
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- A90422 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,974 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 727 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 507 | $92 |
| 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 | 378 | $16 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 194 | $34 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 85 | $15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 661 | 161 |
| Levothyroxine Sodiumbrand: Synthroid | 330 | 80 |
| Metformin Hcl | 149 | 39 |
| Alendronate Sodium | 135 | 35 |
| Liothyronine Sodium | 135 | 40 |
| Semaglutidebrand: Ozempic | 129 | 26 |
| Tirzepatide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,433 across 60 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2024-05-31
- Certified
- 2024-05-31
Frequently asked questions
- What is Leena Singh's NPI number?
- Leena Singh's National Provider Identifier (NPI) is 1033172689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leena Singh's specialty?
- Leena Singh is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Leena Singh located?
- Leena Singh's practice location on file with NPPES is 1488 East Ave, Chico, CA 95926-1795.
- What is Leena Singh's phone number?
- The practice phone number listed in the NPPES registry for Leena Singh is (530) 342-1310.
- Does Leena Singh accept Medicare?
- Leena Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leena Singh's NPI active?
- Yes — Leena Singh's NPI (1033172689) is active in the NPPES registry as of the last update on 2024-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.