Marcus H. Loo, M.D.
Urology Physician · New York, NY
Marcus H. Loo, M.D. is a urology physician with a practice address in New York, New York, and NPI 1053315614, issued on Jun 10, 2005. Check the license (New York 159685, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Marcus H. Loo
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 159685 NY
Self-reported in NPPES; status is on the state search - Practice location
- 254 Canal Street, New York, NY 10013
- Phone
- (212) 925-8388
- Enumerated
- Jun 10, 2005
- Record last updated
- Dec 7, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (212) 941-7426
- Medicaid ID
- 01707271 NY
- Medicare enrollment
- Enrolled (PECOS I20050205000000); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1981
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,091 in New York → Look up another NPI →
Also registered at 254 Canal Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ying Chih Hsu, MDObstetrics & Gynecology Physician1033268487
Verify Marcus H. Loo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 159685Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.1 times the Medicare Part D claims of the average urology physician in 2024
8,115 Medicare Part D claims for 1,714 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Tamsulosin Hcl2,757 claims
- Finasteride2,675 claims
- Ciprofloxacin Hcl779 claims
- Myrbetriq415 claims
- Alfuzosin Hcl Er273 claims
- Dutasteride234 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: $176.27
9 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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.
Marcus H. Loo among 1,091 urology physician records in New York
Marcus H. Loo, M.D. is one of 1,091 urology physician records with a practice address in New York. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1981 · median 2000 among the 735 with a school on file
- Record last updated2009 · 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 208800000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in New York
There are 1,091 urology physician records in New York.
All 1,091 in New York → Every provider in New York → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Kin Lui, M.D.New York, NY 100131477631315
- Benjamin Peng, M.D.New York, NY 100131356303739
- Patrick Yong, MD, MPHNew York, NY 100131598329278
- Ron Bakal, MDNew York, NY 100161477579639
- Lamont BarlowNew York, NY 100101003134701
- Babak Djavan, MDNew York, NY 100101922308840
- Eduardo Farcon, MDNew York, NY 100161477544922
- Jeffrey Glasser, MDNew York, NY 100161902809254
Common questions
What is Marcus H. Loo, M.D.'s NPI number?
Marcus H. Loo, M.D.'s National Provider Identifier (NPI) is 1053315614, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marcus H. Loo, M.D. located?
The NPPES record lists a practice address at 254 Canal Street, New York, NY, 10013. Phone: (212) 925-8388. Providers update this record themselves, so call before visiting.
How can I verify Marcus H. Loo, M.D.'s license?
NPPES lists New York license number 159685, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marcus H. Loo, M.D. prescribe under Medicare Part D?
In 2024, Marcus H. Loo, M.D. had 8,115 Medicare Part D claims for 1,714 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.