Nagma Hossain, MD
NPI 1528141520 · Infectious Disease Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nagma Hossain, MD is a Infectious Disease Physician provider in Redwood City, CA (NPI 1528141520).
Provider details
- NPI number
- 1528141520
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A88596 (CA)
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 tenure28% of score
19 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
536 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 50 Minutes99233 | 297 | $130 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 100 | $190 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 78 | $87 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 48 | $119 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 13 | $178 |
Typical Medicare-allowed amounts for these services range $87–$190 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-23
- Last updated
- 2024-06-20
- Certified
- 2024-06-20
Frequently asked questions
- What is Nagma Hossain's NPI number?
- Nagma Hossain's National Provider Identifier (NPI) is 1528141520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nagma Hossain's specialty?
- Nagma Hossain is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nagma Hossain located?
- Nagma Hossain's practice location on file with NPPES is 1100 Veterans Blvd, Redwood City, CA 94063-2037.
- What is Nagma Hossain's phone number?
- The practice phone number listed in the NPPES registry for Nagma Hossain is (650) 299-2000.
- Does Nagma Hossain accept Medicare?
- Nagma Hossain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nagma Hossain's NPI active?
- Yes — Nagma Hossain's NPI (1528141520) is active in the NPPES registry as of the last update on 2024-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.