Amber Oberholzer
Acute Care Nurse Practitioner · Philadelphia, PA
Amber Oberholzer is an acute care nurse practitioner with a practice address in Philadelphia, Pennsylvania, and NPI 1194309443, issued on May 11, 2021. Check the license (Pennsylvania SP023719, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amber Oberholzer
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- SP023719 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce St, Philadelphia, PA 19104
- Phone
- (717) 552-3059
- Enumerated
- May 11, 2021
- Record last updated
- May 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230311000052); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 1,283 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Abbott, CRNPNurse Practitioner1396771689
- Michael Abboud, MDEmergency Medicine Physician1962820852
- Emily AbdelmessihPediatric Pharmacist1891612560
- Mohammed AbdullahStudent in an Organized Health Care Education/Training Program1013595495
- Amin Abedini, MDStudent in an Organized Health Care Education/Training Program1912609017
- Farid Aboharb, MD, PHDStudent in an Organized Health Care Education/Training Program1295595973
Verify Amber Oberholzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license SP023719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
13 Medicare Part D claims, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amber Oberholzer among 1,283 acute care nurse practitioner records in Pennsylvania
Amber Oberholzer is one of 1,283 acute care nurse practitioner records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 59% of them.
- NPI issued2021 · 59% of these records are older, 32% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2020 · median 2019 among the 841 with a school on file
- Record last updated2021 · 47% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
562 acute care nurse practitioner records list a practice address in Philadelphia
They are 562 of the 42,849 NPPES records with a practice address in Philadelphia, and 1,283 acute care nurse practitioner records in Pennsylvania.
All 1,283 in Pennsylvania → Every provider in Philadelphia → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Allyson Burke, CRNPPhiladelphia, PA 191041730264599
- Danielle Callahan, CRNPPhiladelphia, PA 191041750487724
- Susan Chambers, CRNPPhiladelphia, PA 191041447345293
- Donna Chojnowski, CRNPPhiladelphia, PA 191041770516593
- Carla Clements, RN, CRNPPhiladelphia, PA 191041003829805
- Latesha Colbert-Mack, CRNPPhiladelphia, PA 191041386723666
- Caroline Doherty, CRNPPhiladelphia, PA 191041538255641
- Desiree Fleck, CRNPPhiladelphia, PA 191041952316671
Common questions
What is Amber Oberholzer's NPI number?
Amber Oberholzer's National Provider Identifier (NPI) is 1194309443, issued on May 11, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Amber Oberholzer located?
The NPPES record lists a practice address at 3400 Spruce St, Philadelphia, PA, 19104. Phone: (717) 552-3059. Providers update this record themselves, so call before visiting.
How can I verify Amber Oberholzer's license?
NPPES lists Pennsylvania license number SP023719, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Amber Oberholzer prescribe under Medicare Part D?
In 2024, Amber Oberholzer had 13 Medicare Part D claims; 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.