Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Mayumi Otsuka, MD
Pediatrics Physician in Gallup, NM · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518954999
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Registry record
Entity type Individual (Type 1)
Name Ms. Mayumi Otsuka
Credential MD
Sex Female
Practice address 516 East Nizhoni Blvd, Gallup, NM, 87301
Phone (505) 722-1000
Fax (505) 722-1268
Enumeration date Sep 30, 2005
Last updated in NPPES Apr 29, 2016
Taxonomy & licenses
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 0420010593 (VT) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 24559342 | Medicaid | CO | - |
| 811457 | Medicaid | AZ | - |
| 63139324 | Medicaid | NM | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Mayumi Otsuka practice?
The practice location on file with NPPES is in Gallup, NM. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mayumi Otsuka?
The National Provider Identifier (NPI) for Mayumi Otsuka is 1518954999, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Dorothy Whitaker Specialist · Gallup, NM NPI 1386644052 Michael Wolf Internal Medicine Physician · Gallup, NM NPI 1689675241 Daria Jones Certified Registered Nurse Anesthetist · Gallup, NM NPI 1821080599 Loretta Christensen Trauma Surgery Physician · Gallup, NM NPI 1063408722 William Anderson Family Medicine Physician · Gallup, NM NPI 1598747909 Stephen Pierce Anesthesiology Physician · Gallup, NM NPI 1790768778 Loretta Kendricks Certified Registered Nurse Anesthetist · Gallup, NM NPI 1245215938 Peter Tempest Surgery Physician · Gallup, NM NPI 1649242348
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-29.