Monica Fung, M.D., M.P.H
NPI 1871931584 · Infectious Disease Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Monica Fung, M.D., M.P.H is a Infectious Disease Physician provider in San Francisco, CA (NPI 1871931584).
Provider details
- NPI number
- 1871931584
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H
- Sex
- Female
- Sole proprietor
- No
- License
- A142212 (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
13 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
360 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 | 118 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 93 | $157 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 74 | $18 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 41 | $193 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 37 |
| Dolutegravir Sodiumbrand: Tivicay | 27 |
| Omeprazole | 25 |
| Acyclovir | 23 |
| Daptomycin | 22 |
| Amlodipine Besylate | 19 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 18 |
| Gabapentin | 17 |
| Oxycodone Hcl | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-05
- Last updated
- 2019-12-19
- Certified
- 2019-12-19
Frequently asked questions
- What is Monica Fung's NPI number?
- Monica Fung's National Provider Identifier (NPI) is 1871931584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Monica Fung's specialty?
- Monica Fung is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Monica Fung located?
- Monica Fung's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Monica Fung's phone number?
- The practice phone number listed in the NPPES registry for Monica Fung is (415) 353-2626.
- Does Monica Fung accept Medicare?
- Monica Fung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Monica Fung's NPI active?
- Yes — Monica Fung's NPI (1871931584) is active in the NPPES registry as of the last update on 2019-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.