Amber Estok, FNP-C
Family Nurse Practitioner · Frederick, MD
Amber Estok, FNP-C is a family nurse practitioner with a practice address in Frederick, Maryland, and NPI 1952085912, issued on Jun 12, 2023. Check the license (Maryland R263566, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amber Estok
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R263566 MD
Self-reported in NPPES; status is on the state search - Practice location
- 56 Thomas Johnson Dr, Frederick, MD 21702
- Phone
- (301) 694-3111
- Enumerated
- Jun 12, 2023
- Record last updated
- Dec 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20230905002414); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 56 Thomas Johnson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Amber Estok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R263566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family nurse practitioner in 2024
245 Medicare Part D claims for 121 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass23 claims
- Azithromycin18 claims
- Cephalexin16 claims
- Losartan Potassium15 claims
- Amoxicillin11 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: $390.63
22 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 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 3 group practices
- Amber Hill Physical Therapy IncFrederick, MD
- Frederick Health Hospital IncFrederick, MD
- Privia Care Center LLCFrederick, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amber Estok among 4,124 family nurse practitioner records in Maryland
Amber Estok, FNP-C is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 78% of them.
- NPI issued2023 · 78% of these records are older, 14% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2023 · median 2019 among the 2,370 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
136 family nurse practitioner records list a practice address in Frederick
They are 136 of the 3,981 NPPES records with a practice address in Frederick, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Frederick → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Amanda Bailey, CRNPFrederick, MD 217021144372541
- Lindsay BittoFrederick, MD 217021972904845
- Susan Burton, CRNPFrederick, MD 217021235281585
- Julie El Taher, CRNPFrederick, MD 217021629172945
- Nicole Harriman, R.N., F.N.P.-B.C.Frederick, MD 217021881987907
- Amanda Kallas, CRNPFrederick, MD 217021265833099
- Catherine Lauritzen, C.R.N.P.Frederick, MD 217021871893719
- Jehangir Madan, N.P. - B.C.Frederick, MD 217021164744397
Common questions
What is Amber Estok, FNP-C's NPI number?
Amber Estok, FNP-C's National Provider Identifier (NPI) is 1952085912, issued on Jun 12, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Amber Estok, FNP-C located?
The NPPES record lists a practice address at 56 Thomas Johnson Dr, Frederick, MD, 21702. Phone: (301) 694-3111. Providers update this record themselves, so call before visiting.
How can I verify Amber Estok, FNP-C's license?
NPPES lists Maryland license number R263566, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Amber Estok, FNP-C prescribe under Medicare Part D?
In 2024, Amber Estok, FNP-C had 245 Medicare Part D claims for 121 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.