William J. Delapaz, M.D.
Gynecology Physician · Waldorf, MD
William J. Delapaz, M.D. is a gynecology physician with a practice address in Waldorf, Maryland, and NPI 1770573891, issued on Oct 28, 2005. Check the license (Maryland D0035373, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- William J. Delapaz
- Credential
- M.D.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- D0035373 MD
Self-reported in NPPES; status is on the state search - Practice location
- 11340 Pembrooke SQ, Waldorf, MD 20603
- Phone
- (301) 843-7737
- Enumerated
- Oct 28, 2005
- Record last updated
- Dec 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (301) 932-7917
- Medicare enrollment
- Enrolled (PECOS I20141210001472); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 131 in Maryland → Look up another NPI →
Also registered at 11340 Pembrooke SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Silvia Abularach, M.D.Obstetrics & Gynecology Physician1427341593
- Boris Naydich, M.D.Radiation Oncology Physician1467419820
- Ashima Saini, M.D.Internal Medicine Physician1285682757
Verify William J. Delapaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0035373Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average gynecology physician in 2024
73 Medicare Part D claims for 29 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol23 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 practice group's MIPS final score for 2023 (Medicare payment program): 80.2 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
- Medstar Medical Group II LLCCharlotte Hall, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. Delapaz among 131 gynecology physician records in Maryland
William J. Delapaz, M.D. is one of 131 gynecology physician records with a practice address in Maryland. 53% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 73% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated1982 · median 1989 among the 43 with a school on file
- Record last updated2016 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in Maryland
There are 131 gynecology physician records in Maryland.
All 131 in Maryland → Every provider in Waldorf → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Diana Soffer, M.D.Prince Frederick, MD 206781457625584
- Davoud Assili, MDLanham, MD 207061811936271
- Caryl Mussenden, M.D.Lanham, MD 207061265585483
- Imad Mufarrij, MD FACOGBowie, MD 207161962514158
- Manjit Risam, M.D.Bowie, MD 207161306830047
- Francis Dickson, MDClinton, MD 207351841351772
- Ebenezer Nettey, MDClinton, MD 207351316090855
- Lakeischa McMillan, MDBerwyn Heights, MD 207401538382312
Common questions
What is William J. Delapaz, M.D.'s NPI number?
William J. Delapaz, M.D.'s National Provider Identifier (NPI) is 1770573891, issued on Oct 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William J. Delapaz, M.D. located?
The NPPES record lists a practice address at 11340 Pembrooke SQ, Waldorf, MD, 20603. Phone: (301) 843-7737. Providers update this record themselves, so call before visiting.
How can I verify William J. Delapaz, M.D.'s license?
NPPES lists Maryland license number D0035373, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William J. Delapaz, M.D. prescribe under Medicare Part D?
In 2024, William J. Delapaz, M.D. had 73 Medicare Part D claims for 29 beneficiaries; the average among gynecology physician prescribers was 299. Part D covers Medicare prescriptions only.
What is William J. Delapaz, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.2 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.