Charles Limb, M.D.
NPI 1780629717 · Otolaryngology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Limb, M.D. is a Otolaryngology Physician provider in San Francisco, CA (NPI 1780629717).
Provider details
- NPI number
- 1780629717
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D59547 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
462 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) |
|---|---|---|
| Exam of Ear Using a Microscope92504 | 91 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 89 | $74 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 62 | $39 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 55 | $91 |
| Exam of Ear Using a Microscope92504 | 39 | $10 |
| Removal of Impacted Ear Wax69210 | 29 | $36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamterene/Hydrochlorothiazidbrand: Triamterene-Hydrochlorothiazid | 30 | — |
| Nortriptyline Hcl | 29 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 28 | — |
| Acetazolamide | 24 | — |
| Clonazepam | 21 | — |
| Methylprednisolone | 18 | 13 |
| Erenumab-Aooebrand: Aimovig Autoinjector | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,096 across 16 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
- 2006-06-16
- Last updated
- 2021-11-05
- Certified
- 2021-11-05
Frequently asked questions
- What is Charles Limb's NPI number?
- Charles Limb's National Provider Identifier (NPI) is 1780629717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Limb's specialty?
- Charles Limb is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Limb located?
- Charles Limb's practice location on file with NPPES is 2380 Sutter St Fl 3, San Francisco, CA 94115-3006.
- What is Charles Limb's phone number?
- The practice phone number listed in the NPPES registry for Charles Limb is (415) 353-2757.
- Does Charles Limb accept Medicare?
- Charles Limb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Limb's NPI active?
- Yes — Charles Limb's NPI (1780629717) is active in the NPPES registry as of the last update on 2021-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.