Serena Klein, APRN
NPI 1881165744 · Nurse Practitioner · Shelton, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Serena Klein, APRN is a Nurse Practitioner provider in Shelton, CT (NPI 1881165744).
Provider details
- NPI number
- 1881165744
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 7954 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
590 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 419 | $94 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 145 | $65 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 26 | $116 |
Typical Medicare-allowed amounts for these services range $65–$116 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 96 | 11 |
| Apixabanbrand: Eliquis | 70 | — |
| Losartan Potassium | 43 | — |
| Trazodone Hcl | 42 | 11 |
| Furosemide | 42 | — |
| Lorazepam | 32 | 12 |
| Gabapentin | 31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-12-17
- Last updated
- 2024-09-05
- Certified
- 2024-09-05
Frequently asked questions
- What is Serena Klein's NPI number?
- Serena Klein's National Provider Identifier (NPI) is 1881165744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Serena Klein's specialty?
- Serena Klein is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Serena Klein located?
- Serena Klein's practice location on file with NPPES is 172 Rocky Rest Rd, Shelton, CT 06484-4234.
- What is Serena Klein's phone number?
- The practice phone number listed in the NPPES registry for Serena Klein is (203) 281-3500.
- Does Serena Klein accept Medicare?
- Serena Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Serena Klein's NPI active?
- Yes — Serena Klein's NPI (1881165744) is active in the NPPES registry as of the last update on 2024-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.