Margaret Mongare, MD
NPI 1427555408 · Internal Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Mongare, MD is a Internal Medicine Physician provider in Palo Alto, CA (NPI 1427555408).
Provider details
- NPI number
- 1427555408
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A167176 (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
8 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
607 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 | 318 | $155 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 119 | $157 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 61 | $213 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $111 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 28 | $66 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 231 | 73 |
| Amlodipine Besylate | 196 | 53 |
| Losartan Potassium | 111 | 33 |
| Levothyroxine Sodium | 85 | 21 |
| Tamsulosin Hcl | 81 | 24 |
| Famotidine | 70 | 21 |
| Gabapentin | 66 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-06
- Last updated
- 2021-09-29
- Certified
- 2021-09-29
Frequently asked questions
- What is Margaret Mongare's NPI number?
- Margaret Mongare's National Provider Identifier (NPI) is 1427555408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mongare's specialty?
- Margaret Mongare is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Mongare located?
- Margaret Mongare's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is Margaret Mongare's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mongare is (650) 942-8309.
- Does Margaret Mongare accept Medicare?
- Margaret Mongare is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Mongare's NPI active?
- Yes — Margaret Mongare's NPI (1427555408) is active in the NPPES registry as of the last update on 2021-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.