DR. CHRISTOPHER MICHAEL FARMER M.D.
NPI 1619136462
Internal Medicine in Round Rock, TX

Q: What is Christopher Farmer's NPI number?

The NPI number for Christopher Farmer is 1619136462. It was assigned to this individual provider in the NPPES registry on June 6, 2008.

Q: What is Christopher Farmer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since June 06, 2008PECOS EnrolledAccepts Medicare Assignment

300 UNIVERSITY BLVD, ROUND ROCK, TX 78665(512) 509-0100(512) 218-6330 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 9, 2025, Dec 9, 2021, Jul 12, 2019 and 1 more (4 updates tracked since 2015).

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About Dr. Christopher Michael Farmer M.d. NPPES

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

DR. CHRISTOPHER MICHAEL FARMER M.D. (NPI 1619136462) is an individual internal medicine provider in Round Rock, Texas, licensed in Texas (P1544) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Chi St Joseph Health Regional Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1619136462

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. CHRISTOPHER MICHAEL FARMERCredential: M.D.

Location Address300 UNIVERSITY BLVDRound Rock, TX 78665-1032

Mailing AddressPo Box 844658Dallas, TX 75284-4658

Phone(512) 509-0100

Fax(512) 218-6330

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 2008

Enumeration DateJune 6, 2008

Last NPPES UpdateSeptember 9, 20254 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2025

✔ NPI 1619136462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · P1544

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

300 UNIVERSITY BLVD, Round Rock, TX 78665

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Secondary Practice Locations 2

Location 11604 Rock Prairie RdCollege Station, TX 77845-8343 · Phone (979) 680-5462 · Fax (979) 680-5455

Location 22801 Franciscan DrBryan, TX 77802-2544 · Phone (979) 776-5967 · Fax (979) 731-5619

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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. Christopher Michael Farmer 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 ID9234398546

PECOS Enrollment IDI20120306000684

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 Reassignments

Medicare enrollment records show Christopher Farmer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Joseph Regional Health Center

80 mi

Family Medicine

2801 FRANCISCAN DR
Bryan, TX 77802

Reassigned Medicare billing, Texas enrollment
141 clinicians in this Medicare group

NPI 1669557179 (979) 776-2426

Hospitalist Medicine Physicians Of Texas, PLLC

149 mi

Internal Medicine

18951 N MEMORIAL DR
Humble, TX 77338

Reassigned Medicare billing, Texas enrollment
2,009 clinicians in this Medicare group

NPI 1629307095 (281) 540-7700

Cogent Healthcare Of Texas, PA

169 mi

Internal Medicine

8200 WALNUT HILL LN
Dallas, TX 75231

Reassigned Medicare billing, Texas enrollment
1,208 clinicians in this Medicare group

NPI 1992722953 (214) 345-7585

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 10

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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

123 services50 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.

48 services29 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

37 services35 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

26 services25 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

26 services22 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

19 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Chi St Joseph Health Regional Hospital

Acute Care Hospitals · Bryan, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450011

Location2801 Franciscan DrBryan, TX 77802 · Brazos County

Emergency services Birthing friendly

Chi St Joseph Health Burleson Hospital

Critical Access Hospitals · Caldwell, TX

OwnershipVoluntary non-profit - Church

CMS Certification Number451305

Location1101 Woodson DriveCaldwell, TX 77836 · Burleson County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78665 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

BRENNEN J. BEATTY MD

Emergency Medicine