Mark H. Katz, MD
Urology Physician · Boston, MA
Mark H. Katz, MD is a urology physician with a practice address in Boston, Massachusetts, and NPI 1437390507, issued on Mar 18, 2009. Check the license (Massachusetts 240823, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark H. Katz
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 240823 MA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Albany St, Suite 3B, Boston, MA 02118
- Phone
- (617) 638-8485
- Enumerated
- Mar 18, 2009
- Record last updated
- Feb 11, 2026
- Fax
- (617) 414-7372
- Medicaid IDs
- 3115617 NH
110216741A MA - Medicare enrollment
- Enrolled (PECOS I20100122000135); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 377 in Massachusetts → Look up another NPI →
Also registered at 725 Albany St, Suite 3B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gianpaolo Carpinito, MDUrology Physician1609337153
- Toby Chai, M.D.Urology Physician1265548697
- Robert Deshane, PAPhysician Assistant1861606220
- Elizabeth Encarnacion, PAPhysician Assistant1720878531
- Kelly McDonagh, PA-CPhysician Assistant1992566137
- Robert Oates, M.D.Urology Physician1275505000
Verify Mark H. Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 240823Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average urology physician in 2024
595 Medicare Part D claims for 163 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl191 claims
- Finasteride142 claims
- Myrbetriq42 claims
- Oxybutynin Chloride Er42 claims
- Methenamine Hippurate23 claims
- Gemtesa19 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.
Industry payments in 2024: $216.22
2 payments; by number, the most common kind was food and beverage; the largest payer was Procept BioRobotics Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 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.
Bills Medicare through one group practice
- Boston University Medical Center Urologists, Inc.Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark H. Katz among 377 urology physician records in Massachusetts
Mark H. Katz, MD is one of 377 urology physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 68% of them.
- NPI issued2009 · 68% of these records are older, 31% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2002 · median 2002 among the 244 with a school on file
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Massachusetts
There are 377 urology physician records in Massachusetts.
All 377 in Massachusetts → Every provider in Boston → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Richard Babayan, M.D.Boston, MA 021181396717120
- Philip Barbosa, MDBoston, MA 021181679899850
- Gianpaolo Carpinito, MDBoston, MA 021181609337153
- Toby Chai, M.D.Boston, MA 021181265548697
- Daniel Givner, MDBoston, MA 021181619737962
- Samuel HelrichBoston, MA 021181134754419
- Ricardo Munarriz, M.D.Boston, MA 021181861464927
- Linda Ng, M.D.Boston, MA 021181831161991
Common questions
What is Mark H. Katz, MD's NPI number?
Mark H. Katz, MD's National Provider Identifier (NPI) is 1437390507, issued on Mar 18, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark H. Katz, MD located?
The NPPES record lists a practice address at 725 Albany St, Suite 3B, Boston, MA, 02118. Phone: (617) 638-8485. Providers update this record themselves, so call before visiting.
How can I verify Mark H. Katz, MD's license?
NPPES lists Massachusetts license number 240823, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark H. Katz, MD prescribe under Medicare Part D?
In 2024, Mark H. Katz, MD had 595 Medicare Part D claims for 163 beneficiaries; the average among urology physician prescribers was 1,340. 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.