David Whalen, M.D.
NPI 1265427173 · Anesthesiology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Whalen, M.D. is a Anesthesiology Physician provider in Sacramento, CA (NPI 1265427173).
Provider details
- NPI number
- 1265427173
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G65365 (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
139 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) |
|---|---|---|
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 29 | $369 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 25 | $120 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 22 | $128 |
| Anesthesia for Lens Surgery00142 | 21 | $76 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 18 | $150 |
| Anesthesia for Retinal Surgery00145 | 13 | $151 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (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
- 2005-09-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Whalen's NPI number?
- David Whalen's National Provider Identifier (NPI) is 1265427173, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Whalen's specialty?
- David Whalen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is David Whalen located?
- David Whalen's practice location on file with NPPES is 3315 Watt Ave, Sacramento, CA 95821-3600.
- What is David Whalen's phone number?
- The practice phone number listed in the NPPES registry for David Whalen is (916) 481-6800.
- Does David Whalen accept Medicare?
- David Whalen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Whalen's NPI active?
- Yes — David Whalen's NPI (1265427173) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.