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SIRISH NAKKA MD INC
NPI 1609579069
Sleep Specialist, PhD in Santa Cruz, CA

Active since March 24, 2023
1665 DOMINICAN WAY STE 222, SANTA CRUZ, CA 95065(844) 387-5337 Get Directions Write a Review

NPPES record last updated: March 24, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Sirish Nakka Md Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIRISH NAKKA MD INC (NPI 1609579069) is a healthcare organization registered as a sleep specialist, phd in Santa Cruz, California and active in the NPI registry since March 2023. The organization lists Sirish Nakka, Physician/owner, as its authorized official.

NPPES Registry Identity

NPI1609579069
Entity TypeOrganization
Primary Taxonomy173F00000X
Legal Business NameSIRISH NAKKA MD INC
Location Address1665 DOMINICAN WAY STE 222Santa Cruz, CA 95065-1515
Mailing Address1665 Dominican Way Ste 222Santa Cruz, CA 95065-1515 · (844) 387-5337
Phone(844) 387-5337
Organization SubpartNo
Authorized OfficialSirish NakkaPhysician/owner · (844) 387-5337
Enumeration DateMarch 24, 2023
NPPES CertifiedMarch 24, 2023
✔ NPI 1609579069 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySleep Specialist, PhDOther Service Providers
Taxonomy Code173F00000X
Definition
Sleep medicine is a clinical specialty with a focus on clinical problems that require accurate diagnosis and treatment. The knowledge base of sleep medicine is derived from many disciplines including neuroanatomy, neurophysiology, respiratory physiology, pharmacology, psychology, psychiatry, neurology, general internal medicine, pulmonary medicine, and pediatrics as well as others.
1665 DOMINICAN WAY STE 222, Santa Cruz, CA 95065
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sirish Nakka Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Sirish Nakka MD Inc, which bills Medicare for the services they deliver. Of these, 5 practice at this address. They are listed nearest first.

Clinicians, nearest first (7)

Sirish Nakka, MD
Sleep Medicine
NPI 1619406725
1665 DOMINICAN WAY STE 222
Santa Cruz, CA 95065
(844) 387-5337
✔ PECOS✔ Accepts MedicareSame address
Poulomee Tripathi, MD
Sleep Medicine
NPI 1255071049
1665 DOMINICAN WAY STE 222
Santa Cruz, CA 95065
(844) 387-5337
✔ PECOSSame address
Aaron Morse, MD
Sleep Medicine
NPI 1093784027
1665 DOMINICAN WAY SUITE 222A
Santa Cruz, CA 95065
(831) 465-0586
✔ PECOS✔ Accepts MedicareSame address
Helena Norris, MSN NP
Nurse Practitioner
NPI 1053483008
1665 DOMINICAN WAY STE 222
Santa Cruz, CA 95065
(844) 387-5337
✔ PECOS✔ Accepts MedicareSame address
Jennifer Acostamadiedo, MD
Internal Medicine
NPI 1417479288
1665 DOMINICAN WAY STE 222
Santa Cruz, CA 95065
(844) 387-5337
✔ PECOS✔ Accepts MedicareSame address
Daniel Katzenberg, MD, PHD
Sleep Medicine
NPI 1235193319
751 S BASCOM AVE PEDIATRICS DEPARTMENT
San Jose, CA 95128
(408) 885-5440
✔ PECOS24 mi
Zachary Adams, M.D.
Sleep Medicine
NPI 1073956231
3650 MANSELL RD STE 100
Alpharetta, GA 30022
(678) 990-3962
✔ PECOS✔ Accepts Medicare2,120 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sirish Nakka MD Inc's NPI number?

The NPI number for Sirish Nakka MD Inc is 1609579069. It was assigned to this organization in the NPPES registry on March 24, 2023.

Where is Sirish Nakka MD Inc located?

Sirish Nakka MD Inc is located at 1665 Dominican Way Ste 222, Santa Cruz, CA 95065. The listed phone number is (844) 387-5337.

What is Sirish Nakka MD Inc's specialty?

The primary specialty registered for this NPI is Sleep Specialist, PhD with taxonomy code 173F00000X.

Is Sirish Nakka MD Inc enrolled in Medicare?

Yes. Sirish Nakka MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sirish Nakka MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 3 Medicare specialties reassign their Medicare billing to Sirish Nakka MD Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Sleep Medicine (5), Internal Medicine (1) and Nurse Practitioner (1). Of these, 5 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Sirish Nakka MD Inc was last updated on March 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.