Charlotte Sperling, APRN
Acute Care Nurse Practitioner · Greenwich, CT
Charlotte Sperling, APRN is an acute care nurse practitioner with a practice address in Greenwich, Connecticut, and NPI 1790400950, issued on Oct 10, 2022. Check the license (Connecticut 11086, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charlotte Sperling
- Credential
- APRN
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 11086 CT
Self-reported in NPPES; status is on the state search - Practice location
- 6 Greenwich Office Park, Greenwich, CT 06831
- Phone
- (203) 869-1145
- Enumerated
- Oct 10, 2022
- Record last updated
- Oct 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20230410001603); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 368 in Connecticut → Look up another NPI →
Also registered at 6 Greenwich Office Park
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charlotte Sperling in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 11086Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
106 Medicare Part D claims for 58 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 58 claims were for opioids.
Most prescribed
- Oxycodone Hcl40 claims
- Tramadol Hcl15 claims
- Pregabalin13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $162.05
3 payments; by number, the most common kind was food and beverage; the largest payer was Csl Behring. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Orthopaedic And Neurosurgery Specialists, PLLCGreenwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charlotte Sperling among 368 acute care nurse practitioner records in Connecticut
Charlotte Sperling, APRN is one of 368 acute care nurse practitioner records with a practice address in Connecticut. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 71% of them.
- NPI issued2022 · 71% of these records are older, 23% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2022 · median 2018 among the 273 with a school on file
- Record last updated2022 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Connecticut
There are 368 acute care nurse practitioner records in Connecticut.
All 368 in Connecticut → Every provider in Greenwich → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Tammy Lo, ACNPGreenwich, CT 068311740595792
- Christopher Miller, APRNGreenwich, CT 068301073391777
- Catherine Burdge, APRNFairfield, CT 068251548421019
- June Reinman, NPNorwalk, CT 068501538722772
- Yuliya Koshkina, AGACNP-BCNorwalk, CT 068511003668294
- Christie AllenDanbury, CT 068101003512864
- Kristin Bott, ACNP-BC, APRNDanbury, CT 068101518245091
- Nina HamilakisDanbury, CT 068101841155785
Common questions
What is Charlotte Sperling, APRN's NPI number?
Charlotte Sperling, APRN's National Provider Identifier (NPI) is 1790400950, issued on Oct 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Charlotte Sperling, APRN located?
The NPPES record lists a practice address at 6 Greenwich Office Park, Greenwich, CT, 06831. Phone: (203) 869-1145. Providers update this record themselves, so call before visiting.
How can I verify Charlotte Sperling, APRN's license?
NPPES lists Connecticut license number 11086, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Charlotte Sperling, APRN prescribe under Medicare Part D?
In 2024, Charlotte Sperling, APRN had 106 Medicare Part D claims for 58 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.