NPPES file of Aug 9, 2026

Stefanie Holtzer, NP

Adult Health Nurse Practitioner · Rockville, MD

Stefanie Holtzer, NP is an adult health nurse practitioner with a practice address in Rockville, Maryland, and NPI 1730895046, issued on Jan 30, 2023. Check the license (Maryland R224556, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730895046
Name
Stefanie Holtzer
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
R224556 MD
Self-reported in NPPES; status is on the state search
Practice location
1201 Seven Locks RD Ste 111, Rockville, MD 20854
Phone
(301) 762-5020
Enumerated
Jan 30, 2023
Record last updated
Feb 25, 2023
Medicare enrollment
Enrolled (PECOS I20230724003075); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1201 Seven Locks RD Ste 111

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maria Caccavo, MSN, CRNP, FNP-CFamily Nurse Practitioner1336859974
  2. Robert Chen, DOFamily Medicine Physician1538745021
  3. Allison Hockman, DOFamily Medicine Physician1952892127
  4. Christina Johannessen, FNPFamily Nurse Practitioner1932862919
  5. Susan Kioko, NPAdult Health Nurse Practitioner1720491293
  6. Sheeva Mostoufi, PHDClinical Psychologist1083166755

Verify Stefanie Holtzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R224556
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

56% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

564 Medicare Part D claims for 339 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.

  1. Stefanie Holtzer564
  2. Specialty average1,280

Most prescribed

  1. Doxycycline Hyclate57 claims
  2. Albuterol Sulfate Hfa44 claims
  3. Mupirocin38 claims
  4. Azithromycin36 claims
  5. Amoxicillin-Clavulanate Potass32 claims
  6. Nitrofurantoin Mono-Macro21 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: $62.95

3 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stefanie Holtzer$62.95
  2. Specialty average$946.40

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

  1. Privia Care Center LLCRockville, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stefanie Holtzer among 902 adult health nurse practitioner records in Maryland

Stefanie Holtzer, NP is one of 902 adult health nurse practitioner records with a practice address in Maryland. 63% 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 91% of them.

  • NPI issued2023 · 91% of these records are older, 5% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2022 · median 2014 among the 386 with a school on file
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Maryland

There are 902 adult health nurse practitioner records in Maryland.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Kathryn Hansen, CRNPRockville, MD 208541700977139
  2. Hanieh Khorshidi, BSN, AGNP-BCPotomac, MD 208541912380155
  3. Susan Kioko, NPRockville, MD 208541720491293
  4. Toni Lattibeaudiere, APRNPotomac, MD 208541558781906
  5. Jacqueline SergonRockville, MD 208531053073254
  6. Leora Allen, AGNP-CRockville, MD 208521295177293
  7. Nancy Hartman, CRNP-ADULTRockville, MD 208521073871687
  8. Colleen Lee, CRNPRockville, MD 208521225156078

Common questions

What is Stefanie Holtzer, NP's NPI number?

Stefanie Holtzer, NP's National Provider Identifier (NPI) is 1730895046, issued on Jan 30, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Stefanie Holtzer, NP located?

The NPPES record lists a practice address at 1201 Seven Locks RD Ste 111, Rockville, MD, 20854. Phone: (301) 762-5020. Providers update this record themselves, so call before visiting.

How can I verify Stefanie Holtzer, NP's license?

NPPES lists Maryland license number R224556, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Stefanie Holtzer, NP prescribe under Medicare Part D?

In 2024, Stefanie Holtzer, NP had 564 Medicare Part D claims for 339 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.