Billy Catherino, M.D., PH.D.
Reproductive Endocrinology Physician · Bethesda, MD
Billy Catherino, M.D., PH.D. is a reproductive endocrinology physician with a practice address in Bethesda, Maryland, and NPI 1134261985, issued on Feb 12, 2007. Check the license (Maryland D0057657, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Billy Catherino
- Credential
- M.D., PH.D.
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- License number
- D0057657 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4301 Jones Bridge RD Bldg A Room 3078, Bethesda, MD 20814
- Phone
- (301) 295-3126
- Enumerated
- Feb 12, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest reproductive endocrinology physician records → All 40 in Maryland → Look up another NPI →
Verify Billy Catherino in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0057657Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $10,207.14
9 payments; by number, the most common kind was travel and lodging; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 1,066 providers of this specialty with any payment received $1,086.52 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Billy Catherino among 40 reproductive endocrinology physician records in Maryland
Billy Catherino, M.D., PH.D. is one of 40 reproductive endocrinology physician records with a practice address in Maryland. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 35% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 15% of these records are
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Reproductive Endocrinology Physician providers in Maryland
There are 40 reproductive endocrinology physician records in Maryland.
All 40 in Maryland → Every provider in Bethesda → Reproductive Endocrinology Physician nationwide →
The 8 reproductive endocrinology physician records with the nearest ZIP codes
- Mark Payson, M.D.Bethesda, MD 208141629033634
- Robert Wah, MDBethesda, MD 208141306924469
- Joseph Doyle, M.D.Rockville, MD 208501871650929
- Lisa Halvorson, MDRockville, MD 208501568412088
- Micah Hill, D.O.Rockville, MD 208501922081934
- Kathryn Humm, MDRockville, MD 208501255594255
- Sandy Li, M.D.Rockville, MD 208501891817920
- Siu Ting Ng-Wagner, M.D.Rockville, MD 208501851491476
Common questions
What is Billy Catherino, M.D., PH.D.'s NPI number?
Billy Catherino, M.D., PH.D.'s National Provider Identifier (NPI) is 1134261985, issued on Feb 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Billy Catherino, M.D., PH.D. located?
The NPPES record lists a practice address at 4301 Jones Bridge RD Bldg A Room 3078, Bethesda, MD, 20814. Phone: (301) 295-3126. Providers update this record themselves, so call before visiting.
How can I verify Billy Catherino, M.D., PH.D.'s license?
NPPES lists Maryland license number D0057657, 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.
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.