Manjari Nathan, M.D.
NPI 1033386503 · Pulmonary Disease Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Manjari Nathan, M.D. is a Pulmonary Disease Physician provider in Walnut Creek, CA (NPI 1033386503).
Provider details
- NPI number
- 1033386503
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A80974 (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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,838 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 266 | $222 |
| Critical Care, First 30-74 Minutes99291 | 263 | $239 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 202 | $134 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 192 | $158 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 141 | $90 |
| Test to Examine How Well the Lungs Exchange Gases94729 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 123 | 57 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 119 | 30 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 99 | 21 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 63 | 13 |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub | 60 | 13 |
| Montelukast Sodium | 52 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$937 across 35 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
Additional practice locations (1)
- 130 La Casa ViaBldg.#2, Suite 208Walnut Creek, CA 94598-3045Phone: (925) 944-0166Fax: (925) 944-6355
Registry dates
- Enumerated
- 2008-05-13
- Last updated
- 2025-03-03
- Certified
- 2025-03-03
Frequently asked questions
- What is Manjari Nathan's NPI number?
- Manjari Nathan's National Provider Identifier (NPI) is 1033386503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Manjari Nathan's specialty?
- Manjari Nathan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Manjari Nathan located?
- Manjari Nathan's practice location on file with NPPES is 2637 Shadelands Dr, Walnut Creek, CA 94598-2512.
- What is Manjari Nathan's phone number?
- The practice phone number listed in the NPPES registry for Manjari Nathan is (925) 944-0166.
- Does Manjari Nathan accept Medicare?
- Manjari Nathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Manjari Nathan's NPI active?
- Yes — Manjari Nathan's NPI (1033386503) is active in the NPPES registry as of the last update on 2025-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.