Sumit Mahajan, MD
NPI 1659350916 · Internal Medicine Physician · Yucca Valley, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sumit Mahajan, MD is a Internal Medicine Physician provider in Yucca Valley, CA (NPI 1659350916).
Provider details
- NPI number
- 1659350916
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A80732 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
4,184 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 979 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 696 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 590 | $94 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 305 | $63 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 271 | $49 |
| Advance Care Planning, First 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 187 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 712 | 206 |
| Lisinopril | 627 | 169 |
| Amlodipine Besylate | 467 | 129 |
| Meloxicam | 450 | 143 |
| Levothyroxine Sodium | 425 | 105 |
| Omeprazole | 417 | 113 |
| Gabapentin | 391 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$678 across 20 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)
- 35400 Bob Hope Dr Ste 204Rancho Mirage, CA 92270-1774Phone: (760) 228-1114Fax: (760) 228-2066
Registry dates
- Enumerated
- 2006-01-13
- Last updated
- 2022-08-04
- Certified
- 2022-08-04
Frequently asked questions
- What is Sumit Mahajan's NPI number?
- Sumit Mahajan's National Provider Identifier (NPI) is 1659350916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sumit Mahajan's specialty?
- Sumit Mahajan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sumit Mahajan located?
- Sumit Mahajan's practice location on file with NPPES is 57402 29 Palms Hwy Ste 5, Yucca Valley, CA 92284-2957.
- What is Sumit Mahajan's phone number?
- The practice phone number listed in the NPPES registry for Sumit Mahajan is (760) 228-1114.
- Does Sumit Mahajan accept Medicare?
- Sumit Mahajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sumit Mahajan's NPI active?
- Yes — Sumit Mahajan's NPI (1659350916) is active in the NPPES registry as of the last update on 2022-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.