CRYSTAL MARIA RIVERA PEREZ MD
NPI 1770159428
Internal Medicine in Athens, GA

Q: What is Crystal Rivera Perez's NPI number?

The NPI number for Crystal Rivera Perez is 1770159428. It was assigned to this individual provider in the NPPES registry on June 2, 2021.

Q: What is Crystal Rivera Perez's specialty?

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

Active since June 02, 2021PECOS EnrolledAccepts Medicare Assignment

1500 OGLETHORPE AVE STE 200C, ATHENS, GA 30606(706) 389-3875(706) 389-3876 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 7, 2023, Jun 2, 2021 (2 updates tracked since 2021).

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About Crystal Maria Rivera Perez Md NPPES

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

CRYSTAL MARIA RIVERA PEREZ MD (NPI 1770159428) is an individual internal medicine provider in Athens, Georgia, licensed in Georgia (111826) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Bayamon, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1770159428

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameCRYSTAL MARIA RIVERA PEREZCredential: MD

Location Address1500 OGLETHORPE AVE STE 200CAthens, GA 30606-2165

Mailing AddressPo Box 48089Athens, GA 30604-8089 · (706) 389-3740 · Fax (706) 389-3951

Phone(706) 389-3875

Fax(706) 389-3876

Sole ProprietorYes

Medical School CMSOtherGraduated 2022

Enumeration DateJune 2, 2021

Last NPPES UpdateJune 26, 20262 updates tracked since enumeration

NPPES CertifiedJune 26, 2026

✔ NPI 1770159428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in GA · 111826

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.

1500 OGLETHORPE AVE STE 200C, Athens, GA 30606

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Secondary Practice Location 1

Location 1100 Ave LaurelBayamon, PR 00956-4816 · Phone (787) 678-6571

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of Alabama 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

Crystal Maria Rivera Perez 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 ID1658835426

PECOS Enrollment IDI20260713001669

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 Crystal Rivera Perez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St. Mary's Medical Group, Inc.

Same address

Internal Medicine

1500 OGLETHORPE AVE STE 200C
Athens, GA 30606

Reassigned Medicare billing, Georgia enrollment
114 clinicians in this Medicare group

NPI 1174914873 (706) 389-3875

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 30606 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

$124.10 typical visit price

range $53.31 – $164.04

Typical copayment $31.02 (range $13.32 – $41.01)

Most-billed visit code 99204

Established Patient

$94.84 typical visit price

range $16.68 – $133.24

Typical copayment $23.71 (range $4.17 – $33.31)

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.

ERIC JULIAN FLORESTAN MD, MT

Internal Medicine