Geraldine Holtz, NP
Family Nurse Practitioner · McHenry, IL
Geraldine Holtz, NP is a family nurse practitioner with a practice address in McHenry, Illinois, and NPI 1518411081, issued on Aug 12, 2016. Check the license (Illinois 209014862, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Geraldine Holtz
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 209014862 IL
209.014862 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4309 W Medical Center Dr Ste B305, McHenry, IL 60050
- Phone
- (847) 802-7400
- Enumerated
- Aug 12, 2016
- Entity
- Type 1 · individual
Also registered at 4309 W Medical Center Dr Ste B305
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hailie Doyle, APRNFamily Nurse Practitioner1700408366
- Satish Gowda, M.DInternal Medicine Physician1952569162
- Leonard Hering, M.D.Obstetrics & Gynecology Physician1376549964
Verify Geraldine Holtz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209014862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
43% fewer Medicare Part D claims than the average family nurse practitioner in 2024
744 Medicare Part D claims for 304 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Trelegy Ellipta131 claims
- Prednisone104 claims
- Albuterol Sulfate Hfa77 claims
- Anoro Ellipta64 claims
- Breo Ellipta50 claims
- Amoxicillin-Clavulanate Potass34 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.
The Medicare quality score for 2023: 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Central Dupage Physician GroupMcHenry, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
25 family nurse practitioner records list a McHenry practice address
They are 25 of the 1,852 NPPES records with a McHenry practice address, and 7,207 family nurse practitioner records in Illinois.
All 25 in McHenry → All 7,207 in Illinois → Every provider in McHenry →
Other family nurse practitioner records in Illinois
- Deborah Aaron, FNPChicago, IL1114024916
- Lawrence Abah, APNAurora, IL1306305115
- Theresa AbbaduskyPekin, IL1265892046
- Nadia Abbasi-Kling, FNP-BCChicago, IL1033767736
- Manar Abdalla, FNPChicago, IL1700632411
- Mahubah Abdallah, FNP-CRochelle, IL1841752284
- Rana Abdallah, DNP, APRN, FNP-CLake Villa, IL1851261887
- Servet Abdelhafez, APRNBrookfield, IL1790505048
- Nadia Abdessalam, FNP-BCOak Lawn, IL1356888283
- Saima Abdul Karim, FNP-BCCoal City, IL1629498753
Common questions
What is Geraldine Holtz, NP's NPI number?
Geraldine Holtz, NP's National Provider Identifier (NPI) is 1518411081, issued on Aug 12, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Geraldine Holtz, NP located?
The NPPES record lists a practice address at 4309 W Medical Center Dr Ste B305, McHenry, IL, 60050. Phone: (847) 802-7400. Providers update this record themselves, so call before visiting.
How can I verify Geraldine Holtz, NP's license?
NPPES lists Illinois license number 209014862, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Geraldine Holtz, NP prescribe under Medicare Part D?
In 2024, Geraldine Holtz, NP had 744 Medicare Part D claims for 304 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.
What is Geraldine Holtz, NP's Medicare quality score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.