Hazel Katherine Werlhof, M.D.
Anesthesiology Physician · Philadelphia, PA
Hazel Katherine Werlhof, M.D. is an anesthesiology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1215236773, issued on Mar 23, 2011. Check the license (Pennsylvania MD454348, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Hazel Katherine Werlhof
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- MD454348 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Civic Center Blvd, Philadelphia, PA 19104
- Phone
- (215) 349-8310
- Enumerated
- Mar 23, 2011
- Record last updated
- Oct 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 662-2739
- Medicare enrollment
- Enrolled (PECOS I20160524000599); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,481 in Pennsylvania → Look up another NPI →
Also registered at 3400 Civic Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Aakhus, M.D.Hematology & Oncology Physician1255652087
- Patricia Abbott, PA-CMedical Physician Assistant1316011018
- Nawar Abdul Latif, M.D.Gynecologic Oncology Physician1023247335
- Srinath Adusumalli, MDCardiovascular Disease Physician1720373418
- Shivani AgarwalEndocrinology, Diabetes & Metabolism Physician1104144708
- Charu Aggarwal, MD, MPHHematology & Oncology Physician1114181740
Verify Hazel Katherine Werlhof in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD454348Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
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).
Hazel Katherine Werlhof among 2,481 anesthesiology physician records in Pennsylvania
Hazel Katherine Werlhof, M.D. is one of 2,481 anesthesiology physician records with a practice address in Pennsylvania. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 68% of them.
- NPI issued2011 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2011 · median 2005 among the 1,720 with a school on file
- Record last updated2019 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
646 anesthesiology physician records list a practice address in Philadelphia
They are 646 of the 42,849 NPPES records with a practice address in Philadelphia, and 2,481 anesthesiology physician records in Pennsylvania.
All 2,481 in Pennsylvania → Every provider in Philadelphia → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- John Bianrosa, M.D.Philadelphia, PA 191041396742995
- Angelina Castro, MDPhiladelphia, PA 191041790726164
- Deborah Culley, M.D.Philadelphia, PA 191041518904754
- Elizabeth Drum, MDPhiladelphia, PA 191041417945676
- Yohannes Getachew, MDPhiladelphia, PA 191041558334680
- Mansoor Husain, MDPhiladelphia, PA 191041497723548
- Susan Kaplan, MDPhiladelphia, PA 191041336139922
- Ramesh Kodavatiganti, M.D.Philadelphia, PA 191041174529440
Common questions
What is Hazel Katherine Werlhof, M.D.'s NPI number?
Hazel Katherine Werlhof, M.D.'s National Provider Identifier (NPI) is 1215236773, issued on Mar 23, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Hazel Katherine Werlhof, M.D. located?
The NPPES record lists a practice address at 3400 Civic Center Blvd, Philadelphia, PA, 19104. Phone: (215) 349-8310. Providers update this record themselves, so call before visiting.
How can I verify Hazel Katherine Werlhof, M.D.'s license?
NPPES lists Pennsylvania license number MD454348, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Hazel Katherine Werlhof, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.