DR. JOHN THACHIL MD
NPI 1710920160
Internal Medicine - Hematology & Oncology in Houston, TX

Q: What is John Thachil's NPI number?

The NPI number for John Thachil is 1710920160. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Q: What is John Thachil's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for John Thachil was last updated on November 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 June 14, 2006PECOS EnrolledAccepts Medicare Assignment

89.44/100

CMS Quality Rating

13300 HARGRAVE RD, STE 190, HOUSTON, TX 77070(281) 332-7505(281) 897-1215 Get Directions Write a Review

NPPES record last updated: November 14, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. John Thachil Md NPPES

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

DR. JOHN THACHIL MD (NPI 1710920160) is an individual hematology & oncology provider in Houston, Texas, licensed in Texas (K4588) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Willowbrook Hospital, and is a graduate of Other (1981).

NPPES Registry Identity

NPI1710920160

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. JOHN THACHILCredential: MD

Location Address13300 HARGRAVE RD, STE 190Houston, TX 77070-4379

Mailing AddressPo Box 911230Dallas, TX 75391-1230 · (972) 997-8000 · Fax (972) 234-2987

Phone(281) 332-7505

Fax(281) 897-1215

Sole ProprietorNo

Medical School CMSOtherGraduated 1981

Enumeration DateJune 14, 2006

Last NPPES UpdateNovember 14, 2011

✔ NPI 1710920160 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in TX · K4588

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License K4588 (TX)

13300 HARGRAVE RD, Houston, TX 77070

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Other Identifiers 12

Medicaid129003306TX

Medicare PIN830004435TX

Medicare PINTXB126878TX

Medicare UPINE24293TX

Medicare PIN87894KTX

Medicare PIN80950JTX

Medicare PINTXB132412TX

Medicaid129003307TX

Medicaid100064000AOK

Medicaid129003305TX

Other8R1567TX · Blue Cross Of Texas

Medicaid129003302TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CHRISTUS Health Plan, Cigna Healthcare, Imperial Insurance Companies, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Thachil Md 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 ID9830233204

PECOS Enrollment IDI20100223000575

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.

Medicare Billing Reassignment

Medicare enrollment records show John Thachil reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Texas Oncology PA

29 mi

Medical Oncology

10970 SHADOW CREEK PKWY, SUITE 280
Pearland, TX 77584

Reassigned Medicare billing, Texas enrollment
1,054 clinicians in this Medicare group

NPI 1912174350 (972) 997-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 16

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, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) Q0138

Ferumoxytol injection is a treatment for iron deficiency anemia, a condition where your body lacks enough iron. It is injected into your vein to increase iron levels, aiding in the production of healthy red blood cells. This treatment is not for ESRD patients.

12,240 services18 patients

Injection, iron sucrose, 1 mg J1756

Iron sucrose injection is a treatment given to replenish iron in your body, often used when oral iron supplements are not effective. This helps your body make red blood cells, improving health and energy levels.

4,300 services14 patients

Injection, darbepoetin alfa, 1 microgram (non-esrd use) J0881

Darbepoetin alfa injection is a medication used to treat anemia (low red blood cell count) often caused by chronic kidney disease or chemotherapy. It works by stimulating your body to produce more red blood cells, helping to increase your energy and well-being.

3,955 services13 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

394 services25 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

236 services67 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.

230 services63 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

92 services35 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

69 services35 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

68 services40 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

58 services26 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.

54 services31 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

49 services24 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

45 services23 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

41 services21 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

41 services40 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

14 services12 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 Willowbrook Hospital

Acute Care Hospitals · Houston, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450844

Location18220 State Highway 249Houston, TX 77070 · Harris County

Emergency services Birthing friendly

St Luke's Hospital At The Vintage

Acute Care Hospitals · Houston, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670075

Location20171 Chasewood Park DriveHouston, TX 77070 · Harris County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77070 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

$176.98 typical visit price

range $58.24 – $176.98

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

Most-billed visit code 99205

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.44/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

75.85

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier11 claims616 services$0.70 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 17

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

BONNIE BEAM PTA

Physical Therapy Assistant

13300 HARGRAVE RD, SUITE 400
HOUSTON, TX 77070

Harris County (281) 955-7577

WILLOWBROOK MRI

Clinic/Center (Magnetic Resonance Imaging (MRI))

13300 HARGRAVE RD, SUITE 110
HOUSTON, TX 77070

Harris County (281) 955-7577

DR. MASROOR RAHMANI M.D.

Hospitalist

13300 HARGRAVE RD
HOUSTON, TX 77070

Harris County (281) 737-0587

WILLOWBROOK CARDIOVASCULAR ASSOCIATES, P.A.

Internal Medicine (Cardiovascular Disease)

13300 HARGRAVE RD, STE 500
HOUSTON, TX 77070

Harris County (281) 890-4848

MISS BRITTNEY NICHELLE RICHARD ACNP

Nurse Practitioner (Acute Care)

13300 HARGRAVE RD, SUITE 500
HOUSTON, TX 77070

Harris County (281) 890-4848

NORTH EAST REHAB CENTER WILLOWBROOK

Physical Therapist

13300 HARGRAVE RD, SUITE 490
HOUSTON, TX 77070

Harris County (281) 646-1935

DR. MARTINA SHARI QUIVERS P.T., D.P.T

Physical Therapist

13300 HARGRAVE RD
HOUSTON, TX 77070

Harris County (281) 955-0512

AMY NAQUIN-CHAPPEL MD

Psychiatry & Neurology (Neurology)

13300 HARGRAVE RD, SUITE 505
HOUSTON, TX 77070

Harris County (281) 737-1167

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 John Thachil's NPI number?

The NPI number for John Thachil is 1710920160. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is John Thachil located?

John Thachil practices at 13300 Hargrave Rd Ste 190, Houston, TX 77070. The listed phone number is (281) 332-7505.

What is John Thachil's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is John Thachil enrolled in Medicare?

Yes. John Thachil 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.

Which organization bills Medicare for John Thachil's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Thachil reassigns Medicare benefits to Texas Oncology PA (Pearland, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Thachil's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Thachil accept?

Health plans from CHRISTUS Health Plan, Cigna Healthcare, Imperial Insurance Companies, Inc., Moda Health Plan, Inc. and UnitedHealthcare list John Thachil 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 John Thachil affiliated with any hospitals?

According to CMS data, John Thachil is affiliated with Houston Methodist Willowbrook Hospital and St Luke's Hospital At The Vintage.

When was this NPI record last updated?

The NPPES record for John Thachil was last updated on November 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.