Insun Choi Mandlebaum, NP
Family Nurse Practitioner · Rockville, MD
Insun Choi Mandlebaum, NP is a family nurse practitioner with a practice address in Rockville, Maryland, and NPI 1568956530, issued on Jun 21, 2018. Check the license (Maryland F06181864, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Insun Choi Mandlebaum
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- F06181864 MD
Self-reported in NPPES; status is on the state search - Practice location
- 12253 Tildenwood Dr, Rockville, MD 20852
- Phone
- (248) 892-2310
- Enumerated
- Jun 21, 2018
- Record last updated
- Oct 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Verify Insun Choi Mandlebaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license F06181864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,110 Medicare Part D claims for 390 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium80 claims
- Lidocaine53 claims
- Amlodipine Besylate52 claims
- Levothyroxine Sodium35 claims
- Famotidine31 claims
- Donepezil Hcl28 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: $101.28
5 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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.
Insun Choi Mandlebaum among 4,124 family nurse practitioner records in Maryland
Insun Choi Mandlebaum, NP 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 2018, is newer than 43% of them.
- NPI issued2018 · 43% of these records are older, 50% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2019 · 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).
146 family nurse practitioner records list a practice address in Rockville
They are 146 of the 14,353 NPPES records with a practice address in Rockville, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Rockville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sarah Barfield-Early, MSN, FNP-C, IBCLCNorth Bethesda, MD 208521124443858
- Mohamed Barry, CRNP-FNPRockville, MD 208521073987954
- Dana Fleischhacker, NPNorth Bethesda, MD 208521881066843
- Paule Joseph, FNP, PHDRockville, MD 208521780980201
- Sarah Knowlton, FNPNorth Bethesda, MD 208521558716852
- Tina Mbatia, CRNP-FAMILYRockville, MD 208521619010154
- Masooda Naim, CRNP-FRockville, MD 208521730565607
- Kimberly Nieves, FNP-BCNorth Bethesda, MD 208521497799365
Common questions
What is Insun Choi Mandlebaum, NP's NPI number?
Insun Choi Mandlebaum, NP's National Provider Identifier (NPI) is 1568956530, issued on Jun 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Insun Choi Mandlebaum, NP located?
The NPPES record lists a practice address at 12253 Tildenwood Dr, Rockville, MD, 20852. Phone: (248) 892-2310. Providers update this record themselves, so call before visiting.
How can I verify Insun Choi Mandlebaum, NP's license?
NPPES lists Maryland license number F06181864, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Insun Choi Mandlebaum, NP prescribe under Medicare Part D?
In 2024, Insun Choi Mandlebaum, NP had 1,110 Medicare Part D claims for 390 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.