Colin Lenihan, MD
NPI 1154616373 · Nephrology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colin Lenihan, MD is a Nephrology Physician provider in Stanford, CA (NPI 1154616373).
Provider details
- NPI number
- 1154616373
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A127012 (CA)
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
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
310 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 | 131 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 116 | $110 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $152 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 16 | $146 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 11 | $193 |
Typical Medicare-allowed amounts for these services range $88–$193 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 255 | 43 |
| Tacrolimus | 198 | 24 |
| Losartan Potassium | 169 | 29 |
| Mycophenolate Mofetil | 132 | 20 |
| Atorvastatin Calcium | 54 | 14 |
| Amlodipine Besylate | 39 | 14 |
| Cinacalcet Hcl | 30 | — |
Practice location
Mailing address
Additional practice locations (2)
- 725 Welch RdPalo Alto, CA 94304-1601Phone: (650) 497-8000
- 780 Welch RdSuite 106Palo Alto, CA 94304-1516Phone: (650) 725-4738
Registry dates
- Enumerated
- 2011-06-15
- Last updated
- 2025-12-22
- Certified
- 2025-12-22
Frequently asked questions
- What is Colin Lenihan's NPI number?
- Colin Lenihan's National Provider Identifier (NPI) is 1154616373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Lenihan's specialty?
- Colin Lenihan is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Colin Lenihan located?
- Colin Lenihan's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Colin Lenihan's phone number?
- The practice phone number listed in the NPPES registry for Colin Lenihan is (650) 723-4000.
- Does Colin Lenihan accept Medicare?
- Colin Lenihan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colin Lenihan's NPI active?
- Yes — Colin Lenihan's NPI (1154616373) is active in the NPPES registry as of the last update on 2025-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.