Dunstan Mascarenhas, M.D.
NPI 1710904735 · Specialist · Southfield, MI
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dunstan Mascarenhas, M.D. is a Specialist provider in Southfield, MI (NPI 1710904735).
Provider details
- NPI number
- 1710904735
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301079779 (MI)
Specialties & taxonomies
Other Service Providers
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
1,160 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 35 Minutes99232 | 883 | $80 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 179 | $175 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $66 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 42 | $133 |
Typical Medicare-allowed amounts for these services range $66–$175 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 |
|---|---|---|
| Cefadroxil | 71 | 17 |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 29 | — |
| Elviteg/Cob/Emtri/Tenof Alafenbrand: Genvoya | 24 | — |
| Cefazolin Sodium | 23 | — |
| Cefepime Hcl | 19 | — |
| Darunavir/Cob/Emtri/Tenof Alafbrand: Symtuza | 18 | — |
| Vancomycin Hcl | 18 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-16
- Last updated
- 2013-04-17
Frequently asked questions
- What is Dunstan Mascarenhas's NPI number?
- Dunstan Mascarenhas's National Provider Identifier (NPI) is 1710904735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dunstan Mascarenhas's specialty?
- Dunstan Mascarenhas is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Dunstan Mascarenhas located?
- Dunstan Mascarenhas's practice location on file with NPPES is 22301 Foster Winter Dr, Southfield, MI 48075-3707.
- What is Dunstan Mascarenhas's phone number?
- The practice phone number listed in the NPPES registry for Dunstan Mascarenhas is (248) 552-0620.
- Does Dunstan Mascarenhas accept Medicare?
- Dunstan Mascarenhas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dunstan Mascarenhas's NPI active?
- Yes — Dunstan Mascarenhas's NPI (1710904735) is active in the NPPES registry as of the last update on 2013-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.