1. Home
  2. Directory
  3. Texas
  4. Dallas
  5. Internal Medicine
  6. NPI Profile

DR. CRYSTAL GROSVENOR MD
NPI 1437653797
Internal Medicine in Dallas, TX

Active since March 21, 2018PECOS Enrolled
325 N SAINT PAUL ST STE 3100, DALLAS, TX 75201(617) 505-1520(617) 928-8401 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 29, 2026, Feb 13, 2025, Aug 8, 2023 and 4 more (7 updates tracked since 2018).

About Dr. Crystal Grosvenor Md NPPES

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

DR. CRYSTAL GROSVENOR MD (NPI 1437653797) is an individual internal medicine provider in Dallas, Texas, licensed in Texas (V8271) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1437653797
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. CRYSTAL GROSVENORCredential: MD
Location Address325 N SAINT PAUL ST STE 3100Dallas, TX 75201-3923
Mailing Address109 State St Ste 5Boston, MA 02109-2906 · (617) 505-1520 · Fax (617) 928-8401
Phone(617) 505-1520
Fax(617) 928-8401
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 21, 2018
Last NPPES UpdateMay 29, 20267 updates tracked since enumeration
NPPES CertifiedMay 29, 2026
✔ NPI 1437653797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TX · V8271✔ Licensed in VA · 0101268092
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.
325 N SAINT PAUL ST STE 3100, Dallas, TX 75201
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Crystal Grosvenor Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID244663227
PECOS Enrollment IDI20251018000697
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

2

Medicare enrollment records show Crystal Grosvenor reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Wellmed Medical Group, P.A.
191 mi
Family Medicine
3708 JEFFERSON ST, SUITE A
Austin, TX 78731
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Wellmed Medical Group PA
  • 762 clinicians in this Medicare group
NPI 1518265891 (512) 459-6503
Form Health Associates Ma, P.C.
1,543 mi
Endocrinology, Diabetes & Metabolism
109 STATE STREET, 5TH FL
Boston, MA 02109
  • Reassigned Medicare billing, Texas enrollment
  • 28 clinicians in this Medicare group
NPI 1386260594 (617) 505-1520

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75201 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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.

LISA COUCH
Nurse Practitioner (Family)
325 N SAINT PAUL ST STE 3100
DALLAS, TX 75201
Dallas County (888) 731-8994
DEVELOPMENTAL PATHWAYS INC
Behavior Analyst
325 N SAINT PAUL ST STE 3100
DALLAS, TX 75201
Dallas County (214) 432-3777
MS. JONNITA BROWN PA, AT, EMT
Student in an Organized Health Care Education/Training Program
325 N SAINT PAUL ST STE 3100
DALLAS, TX 75201
Dallas County (214) 524-4804
KIRANDEEP SAINI NP
Nurse Practitioner (Acute Care)
325 N SAINT PAUL ST STE 3100
DALLAS, TX 75201
Dallas County (617) 505-1520
ESSENTIAL MENTAL WELLNESS
Psychiatry & Neurology (Psychiatry)
325 N SAINT PAUL ST STE 3100
DALLAS, TX 75201
Dallas County (917) 667-2201
TANIA RUIZ-SOTO
Behavior Technician
325 N SAINT PAUL ST STE 3100
DALLAS, TX 75201
Dallas County (800) 930-5773
ANA MARIA MENDEZ M.D.
Family Medicine
325 N SAINT PAUL ST STE 3100
DALLAS, TX 75201
Dallas County (617) 505-1520
DESTINY RICKEL MCFADDEN RN
Registered Nurse
325 N SAINT PAUL ST STE 3100
DALLAS, TX 75201
Dallas County (678) 599-3395

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 Crystal Grosvenor's NPI number?

The NPI number for Crystal Grosvenor is 1437653797. It was assigned to this individual provider in the NPPES registry on March 21, 2018.

Where is Crystal Grosvenor located?

Crystal Grosvenor practices at 325 N Saint Paul St Ste 3100, Dallas, TX 75201. The listed phone number is (617) 505-1520.

What is Crystal Grosvenor's specialty?

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

Is Crystal Grosvenor enrolled in Medicare?

Yes. Crystal Grosvenor is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Crystal Grosvenor's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Grosvenor reassigns Medicare benefits to 2 organizations: Wellmed Medical Group, P.A. (Austin, TX) and Form Health Associates Ma, P.C. (Boston, MA). Each 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 Crystal Grosvenor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Crystal Grosvenor accept?

Health plans from Blue Cross and Blue Shield of Texas list Crystal Grosvenor 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.

When was this NPI record last updated?

The NPPES record for Crystal Grosvenor was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.