Alka Sharma, M.D.
NPI 1275737561 · Nephrology Physician · Alameda, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alka Sharma, M.D. is a Nephrology Physician provider in Alameda, CA (NPI 1275737561).
Provider details
- NPI number
- 1275737561
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A48009 (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
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
1,487 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 | 635 | $148 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 182 | $106 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 152 | $147 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 151 | $23 |
| Administration of Influenza Virus VaccineG0008 | 114 | $34 |
| Physician Or Allowed Practitioner Supervision of a Patient Receiving Medicare-Covered Services Provided By a Participating Home Health Agency (patient Not Present) Requiring Complex and Multidisciplinary Care Modalities Involving Regular Physician Or Allow |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 455 | 114 |
| Amlodipine Besylate | 411 | 101 |
| Losartan Potassium | 376 | 95 |
| Levothyroxine Sodium | 184 | 47 |
| Gabapentin | 179 | 43 |
| Hydrochlorothiazide | 175 | 51 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-12
- Last updated
- 2021-07-30
- Certified
- 2021-07-30
Frequently asked questions
- What is Alka Sharma's NPI number?
- Alka Sharma's National Provider Identifier (NPI) is 1275737561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alka Sharma's specialty?
- Alka Sharma is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Alka Sharma located?
- Alka Sharma's practice location on file with NPPES is 2070 Clinton Ave Fl 4, Alameda, CA 94501-4320.
- What is Alka Sharma's phone number?
- The practice phone number listed in the NPPES registry for Alka Sharma is (510) 748-0931.
- Does Alka Sharma accept Medicare?
- Alka Sharma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alka Sharma's NPI active?
- Yes — Alka Sharma's NPI (1275737561) is active in the NPPES registry as of the last update on 2021-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.