Sherin Chakkalakel, DNP, FNP-C
NPI 1104390053 · Primary Care Nurse Practitioner · Petaluma, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sherin Chakkalakel, DNP, FNP-C is a Primary Care Nurse Practitioner provider in Petaluma, CA (NPI 1104390053).
Provider details
- NPI number
- 1104390053
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- NP95010634 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 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
308 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 | 242 | $110 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 66 | $141 |
Typical Medicare-allowed amounts for these services range $110–$141 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-01-14
- Last updated
- 2021-10-20
- Certified
- 2021-10-20
Frequently asked questions
- What is Sherin Chakkalakel's NPI number?
- Sherin Chakkalakel's National Provider Identifier (NPI) is 1104390053, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sherin Chakkalakel's specialty?
- Sherin Chakkalakel is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sherin Chakkalakel located?
- Sherin Chakkalakel's practice location on file with NPPES is 141 Lynch Creek Way, Petaluma, CA 94954-2341.
- What is Sherin Chakkalakel's phone number?
- The practice phone number listed in the NPPES registry for Sherin Chakkalakel is (707) 763-0802.
- Does Sherin Chakkalakel accept Medicare?
- Sherin Chakkalakel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sherin Chakkalakel's NPI active?
- Yes — Sherin Chakkalakel's NPI (1104390053) is active in the NPPES registry as of the last update on 2021-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.