Sirish Nakka, MD
NPI 1619406725 · Sleep Medicine (Internal Medicine) Physician · Santa Cruz, CA
Enrolled with Medicare as Practitioner - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sirish Nakka, MD is a Sleep Medicine (Internal Medicine) Physician provider in Santa Cruz, CA (NPI 1619406725).
Provider details
- NPI number
- 1619406725
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A169418 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,074 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) |
|---|---|---|
| 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 | 820 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 474 | $102 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 472 | $143 |
| Therapy Procedure Using a Positive Pressure Ventilator94660 | 225 | $73 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, Each Additional 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99489 | 223 | $54 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Zolpidem Tartrate | 233 | 102 |
| Gabapentin | 168 | 55 |
| Trazodone Hcl | 38 | 14 |
| Eszopiclone | 37 | 12 |
| Temazepam | 30 | — |
| Doxepin Hcl | 28 | 13 |
| Azelastine Hcl | 24 | 14 |
| Zaleplon | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,735 across 56 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 (5)
- 150 Carnation Dr Ste 4Freedom, CA 95019-3132Phone: (844) 387-5337Fax: (866) 264-3890
- 1117 E Devonshire AveHemet, CA 92543-3083Phone: (951) 652-2811
- 101 Wilson Rd Ste DMonterey, CA 93940-7873Phone: (844) 387-5337Fax: (866) 264-3890
- 4150 V St Ste 3400Sacramento, CA 95817-1460Phone: (951) 595-6613
- 260 S Sunnyvale Ave Ste 6Sunnyvale, CA 94086-6273Phone: (844) 387-5337Fax: (866) 264-3890
Registry dates
- Enumerated
- 2017-06-12
- Last updated
- 2023-03-07
- Certified
- 2021-07-13
Frequently asked questions
- What is Sirish Nakka's NPI number?
- Sirish Nakka's National Provider Identifier (NPI) is 1619406725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sirish Nakka's specialty?
- Sirish Nakka is listed in the NPPES registry with a primary specialty of Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sirish Nakka located?
- Sirish Nakka's practice location on file with NPPES is 1665 Dominican Way Ste 222, Santa Cruz, CA 95065-1515.
- What is Sirish Nakka's phone number?
- The practice phone number listed in the NPPES registry for Sirish Nakka is (844) 387-5337.
- Does Sirish Nakka accept Medicare?
- Sirish Nakka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sirish Nakka's NPI active?
- Yes — Sirish Nakka's NPI (1619406725) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.