RALPH EUGENE GRINNELL JR. APRN, FNP-BC
NPI 1457666109
Nurse Practitioner - Family in San Antonio, TX

Active since August 18, 2010PECOS EnrolledAccepts Medicare Assignment
5107 MEDICAL DR, SAN ANTONIO, TX 78229(210) 614-8612(210) 615-1666 Get Directions Write a Review

NPPES record last updated: October 13, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ralph Eugene Grinnell Jr. Aprn, Fnp-bc NPPES

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

RALPH EUGENE GRINNELL JR. APRN, FNP-BC (NPI 1457666109) is an individual family provider in San Antonio, Texas, licensed in Texas (588252) and active in the NPI registry since August 2010. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At San Antonio (2010).

NPPES Registry Identity

NPI1457666109
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameRALPH EUGENE GRINNELL JR.Credential: APRN, FNP-BC
Location Address5107 MEDICAL DRSan Antonio, TX 78229-4801
Mailing AddressP.o. Box 87San Antonio, TX 78291 · (210) 358-9172 · Fax (210) 358-9183
Fax(210) 615-1666
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2010
Enumeration DateAugust 18, 2010
Last NPPES UpdateOctober 13, 2015
NPI 1457666109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in TX · 588252
5107 MEDICAL DR, San Antonio, TX 78229

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

Ralph Eugene Grinnell Jr. Aprn, Fnp-bc 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 ID3577742238
PECOS Enrollment IDI20110126001139
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 3

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
22 services22 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.
22 services22 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426
An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
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.

Registered Nurse
5107 MEDICAL DR
SAN ANTONIO, TX 78229
Dietitian, Registered
5107 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Practitioner (Family)
5107 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Practitioner
5107 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Practitioner
5107 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Practitioner
5107 MEDICAL DR
SAN ANTONIO, TX 78229
Nutritionist (Nutrition, Education)
5107 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Practitioner (Family)
5107 MEDICAL DR
SAN ANTONIO, TX 78229

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 Ralph Grinnell's NPI number?

The NPI number for Ralph Grinnell is 1457666109. It was assigned to this individual provider in the NPPES registry on August 18, 2010.

Where is Ralph Grinnell located?

Ralph Grinnell practices at 5107 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 614-8612.

What is Ralph Grinnell's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Ralph Grinnell enrolled in Medicare?

Yes. Ralph Grinnell 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.

When was this NPI record last updated?

The NPPES record for Ralph Grinnell was last updated on October 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.