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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ATHENA HUIXIN GUO DO
NPI 1356087043
Internal Medicine in Poughkeepsie, NY

Active since May 06, 2022PECOS EnrolledAccepts Medicare Assignment
45 READE PL, POUGHKEEPSIE, NY 12601(845) 790-1312 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 16, 2026, Jul 18, 2026, Mar 21, 2025 and 3 more (6 updates tracked since 2022).

About Athena Huixin Guo Do NPPES

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

ATHENA HUIXIN GUO DO (NPI 1356087043) is an individual internal medicine provider in Poughkeepsie, New York, licensed in New York (333831) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, is affiliated with Vassar Brothers Medical Center, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1356087043
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameATHENA HUIXIN GUOCredential: DO
Location Address45 READE PLPoughkeepsie, NY 12601-3947
Mailing AddressPo Box 746715Atlanta, GA 30374-6715 · (312) 566-4545 · Fax (773) 943-6370
Phone(845) 790-1312
Sole ProprietorNo
Medical School CMSTouro Un Col Of Osteopathic Medicine, New YorkGraduated 2022
Enumeration DateMay 6, 2022
Last NPPES UpdateOctober 16, 20266 updates tracked since enumeration
NPPES CertifiedOctober 16, 2026
✔ NPI 1356087043 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NY · 333831✔ Licensed in IL · 036.182504
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.
45 READE PL, Poughkeepsie, NY 12601
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Secondary Practice Location 1

Location 12335 S Wentworth Ave Ste BChicago, IL 60616-0117 · Phone (312) 566-4545 · Fax (773) 943-6370

Accepted Insurance

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

Athena Huixin Guo Do 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 ID840707428
PECOS Enrollment IDI20250729001016
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 Athena Guo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nuvance Health Medical Practice PC
Same address
Internal Medicine
45 READE PLACE
Poughkeepsie, NY 12601
  • Reassigned Medicare billing, New York enrollment
  • 638 clinicians in this Medicare group
NPI 1437358033 (845) 475-9661

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

Hospital Affiliations CMS Care Compare

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

Vassar Brothers Medical Center

Acute Care Hospitals · Poughkeepsie, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330023
Location45 Reade PlacePoughkeepsie, NY 12601 · Dutchess County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 12601 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
$141.77 typical visit price
range $61.88 – $187.05
Typical copayment $35.44 (range $15.47 – $46.76)
Most-billed visit code 99204
Established Patient
$108.56 typical visit price
range $19.92 – $151.94
Typical copayment $27.14 (range $4.98 – $37.98)
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.

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.

PRIYAM PATTNAIK MD
Pediatrics (Neonatal-Perinatal Medicine)
45 READE PL
POUGHKEEPSIE, NY 12601
Dutchess County (845) 431-5677
CHRISTINE WILSON AGACNP
Nurse Practitioner (Acute Care)
45 READE PL
POUGHKEEPSIE, NY 12601
Dutchess County (845) 454-8500
ZEESHAN IRANI DO, MSMED
Student in an Organized Health Care Education/Training Program
45 READE PL
POUGHKEEPSIE, NY 12601
Dutchess County (203) 241-2685
DIANNE GUARNERA THOMSON PA
Physician Assistant (Surgical)
45 READE PL, VASSAR BROTHERS MEDICAL CENTER
POUGHKEEPSIE, NY 12601
Dutchess County (845) 454-8500
DR. JAMES SHARP M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
45 READE PL
POUGHKEEPSIE, NY 12601
Dutchess County (845) 431-5618
DR. DOMENICO CARMINE MASTANDREA D.O.
Emergency Medicine
45 READE PL
POUGHKEEPSIE, NY 12601
Dutchess County (845) 431-5680
CHENG NG MD
Emergency Medicine
45 READE PL
POUGHKEEPSIE, NY 12601
Dutchess County (845) 790-1317
MEGAN CALARDO CRNA
Nurse Anesthetist, Certified Registered
45 READE PL
POUGHKEEPSIE, NY 12601
Dutchess County (845) 454-8500

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 Athena Guo's NPI number?

The NPI number for Athena Guo is 1356087043. It was assigned to this individual provider in the NPPES registry on May 6, 2022.

Where is Athena Guo located?

Athena Guo practices at 45 Reade Pl, Poughkeepsie, NY 12601. The listed phone number is (845) 790-1312.

What is Athena Guo's specialty?

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

Is Athena Guo enrolled in Medicare?

Yes. Athena Guo 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 Athena Guo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Athena Guo reassigns Medicare benefits to Nuvance Health Medical Practice PC (Poughkeepsie, NY). 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 Athena Guo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Athena Guo accept?

Health plans from Anthem Blue Cross and Blue Shield list Athena Guo 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 Athena Guo affiliated with any hospitals?

According to CMS data, Athena Guo is affiliated with Vassar Brothers Medical Center.

When was this NPI record last updated?

The NPPES record for Athena Guo was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.