WILLIAM G. ONDO M.D.
NPI 1851471437
Psychiatry & Neurology - Neurology in Houston, TX

Q: What is William Ondo's NPI number?

The NPI number for William Ondo is 1851471437. It was assigned to this individual provider in the NPPES registry on October 17, 2006.

Q: What is William Ondo's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for William Ondo was last updated on October 18, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 17, 2006PECOS EnrolledAccepts Medicare Assignment

6560 FANNIN ST, SUITE 802, HOUSTON, TX 77030(713) 441-3780(713) 790-6468 Get Directions Write a Review

NPPES record last updated: October 18, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 18, 2017, Jan 26, 2016, Nov 18, 2015 (3 updates tracked since 2015).

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About William G. Ondo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM G. ONDO M.D. (NPI 1851471437) is an individual neurology provider in Houston, Texas, licensed in Texas (K0969) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Virginia Commonwealth University, School Of Medicine (1991).

NPPES Registry Identity

NPI1851471437

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameWILLIAM G. ONDOCredential: M.D.

Location Address6560 FANNIN ST, SUITE 802Houston, TX 77030-2761

Mailing Address6560 Fannin St, Suite 802Houston, TX 77030-2761 · (713) 441-3780 · Fax (713) 790-6468

Phone(713) 441-3780

Fax(713) 790-6468

Sole ProprietorNo

Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 1991

Enumeration DateOctober 17, 2006

Last NPPES UpdateOctober 18, 20173 updates tracked since enumeration

✔ NPI 1851471437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in TX · K0969

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

6560 FANNIN ST, Houston, TX 77030

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Other Identifiers 13

Medicare UPING28482TX

Medicaid089906407TX

Medicare PIN438322YKUKTX

Medicaid089906401TX

Medicaid089906403TX

Medicare PIN130020150

OtherP01556699TX · Rr Medicare

Other8FG294TX · Blue Cross Blue Shield

Medicare PINTXB116571TX

Medicare PIN824657

Medicare PIN82054K

Medicaid089906408TX

Medicare PIN130023279

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Community Health Choice, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William G. Ondo M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618165499

PECOS Enrollment IDI20101221000165

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, onabotulinumtoxina, 1 unit J0585

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

35,000 services66 patients

Injection, rimabotulinumtoxinb, 100 units J0587

RimabotulinumtoxinB injection is a treatment involving the use of a specific medication to relax muscles. It's commonly used to address muscle stiffness/spasms. The medication is injected directly into the affected muscles by a healthcare professional.

1,200 services11 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

334 services230 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

188 services145 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

134 services62 patients

Injection of chemical for paralysis of nerve muscles on side of face 64612

This procedure involves injecting a chemical into specific facial nerves, causing temporary muscle paralysis. It's used to treat conditions like facial spasms or wrinkles. The effects are usually temporary, requiring repeat treatments.

133 services52 patients

Injection of chemical for paralysis of nerve muscles on side of neck excluding voice box 64616

This procedure involves injecting a chemical into specific neck muscles, causing temporary paralysis. It's designed to alleviate symptoms related to nerve disorders. The voice box isn't affected, ensuring normal speech post-procedure.

131 services55 patients

Electronic analysis of implanted brain, spinal cord, or peripheral neurostimulator generator with brain stimulator programming, each additional 15 minutes with qualified health professional 95984

This procedure involves the evaluation of implanted neurostimulators in the brain, spinal cord, or peripheral nerves. It includes programming adjustments to optimize its function. A qualified health professional performs this every additional 15 minutes to ensure proper functioning.

93 services35 patients

Electronic analysis of implanted brain, spinal cord, or peripheral neurostimulator generator with brain stimulator programming, first 15 minutes with qualified health professional 95983

This procedure involves a medical professional using electronic equipment to analyze and adjust your implanted neurostimulator, which helps manage nerve activity in your brain, spinal cord, or peripheral nerves. The process typically takes 15 minutes.

72 services38 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

53 services53 patients

Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle 95874

This procedure involves a needle that measures the electrical activity in your muscles. A chemical is then injected to temporarily paralyze the nerve muscle. This helps in diagnosing and treating certain muscle or nerve conditions.

50 services22 patients

Injection of chemical for paralysis of salivary glands on both sides of mouth 64611

This procedure involves injecting a special chemical into both salivary glands in your mouth. The aim is to temporarily paralyze these glands, reducing saliva production. This could be necessary for various oral health conditions. It's typically a safe, outpatient procedure.

42 services17 patients

Injection of chemical for paralysis of nerve muscles on arm or leg, 1-4 muscles, first extremity 64642

This procedure involves injecting a chemical into specific muscles in your arm or leg, causing temporary paralysis. It targets 1-4 muscles in the first extremity. It's often used to manage conditions that cause muscle spasms or overactivity.

29 services14 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

25 services24 patients

Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes 99422

This is a digital health service for existing patients. Over a week, your healthcare provider will assess and manage your health concerns online. The total time spent communicating will be between 11-20 minutes. This service offers convenience and continuous care.

22 services17 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450358

Location6565 FanninHouston, TX 77030 · Harris County

Emergency services Birthing friendly

Houston Methodist The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670122

Location17201 Interstate 45 SouthThe Woodlands, TX 77385 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JANET L ATTISHA RN, ACNP

Nurse Practitioner

6560 FANNIN ST, STE 1260
HOUSTON, TX 77030

Harris County (713) 797-0466

TIEN WONG M.D.

Ophthalmology

6560 FANNIN ST, STE 750
HOUSTON, TX 77030

Harris County (713) 524-3434

DR. OLGA WALN M.D.

Psychiatry & Neurology (Neurology)

6560 FANNIN ST, STE 802
HOUSTON, TX 77030

Harris County (713) 441-9551

PARTNERS IN INTERNAL MEDICINE, P.A.

Internal Medicine

6560 FANNIN ST, SUITE 1012
HOUSTON, TX 77030

Harris County (281) 657-0770

KEVIN ANTHONY GRIMES MD

Internal Medicine (Infectious Disease)

6560 FANNIN ST, SUITE 1540
HOUSTON, TX 77030

Harris County (713) 799-9997

NICOLE BAUTISTA DAVENPORT P.A.-C

Physician Assistant

6560 FANNIN ST, SUITE 1842
HOUSTON, TX 77030

Harris County (713) 790-2089

DR. MICHAEL POOL COSELLI M.D.

Surgery

6560 FANNIN ST, STE 1608
HOUSTON, TX 77030

Harris County (713) 796-1608

DR. WILLIAM HYPES OBENOUR JR. M.D.

Internal Medicine

6560 FANNIN ST, SUITE 1112
HOUSTON, TX 77030

Harris County (713) 790-1541

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Ondo's NPI number?

The NPI number for William Ondo is 1851471437. It was assigned to this individual provider in the NPPES registry on October 17, 2006.

Where is William Ondo located?

William Ondo practices at 6560 Fannin St Suite 802, Houston, TX 77030. The listed phone number is (713) 441-3780.

What is William Ondo's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is William Ondo enrolled in Medicare?

Yes. William Ondo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Ondo accept?

Health plans from Community Health Choice and Molina Healthcare list William Ondo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Ondo affiliated with any hospitals?

According to CMS data, William Ondo is affiliated with Houston Methodist Hospital and Houston Methodist The Woodlands Hospital.

When was this NPI record last updated?

The NPPES record for William Ondo was last updated on October 18, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.