Paul Nadler, MD
NPI 1336193663 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Nadler, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1336193663).
Provider details
- NPI number
- 1336193663
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G74653 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
479 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 271 | $108 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 129 | $73 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 32 | $149 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 28 | $161 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 19 | $91 |
Typical Medicare-allowed amounts for these services range $73–$161 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Diclofenac Sodium | 35 | 30 |
| Doxycycline Monohydrate | 25 | 24 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 24 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 22 | 20 |
| Clindamycin Hcl | 20 | 17 |
| Cephalexin | 19 | 19 |
| Triamcinolone Acetonide | 19 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-20
- Last updated
- 2008-07-22
Frequently asked questions
- What is Paul Nadler's NPI number?
- Paul Nadler's National Provider Identifier (NPI) is 1336193663, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Nadler's specialty?
- Paul Nadler is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Nadler located?
- Paul Nadler's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Paul Nadler's phone number?
- The practice phone number listed in the NPPES registry for Paul Nadler is (415) 353-2138.
- Does Paul Nadler accept Medicare?
- Paul Nadler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Nadler's NPI active?
- Yes — Paul Nadler's NPI (1336193663) is active in the NPPES registry as of the last update on 2008-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.