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DR. CHATCHAWIN ASSANASEN MD
NPI 1205852779
Pediatrics - Pediatric Hematology-Oncology in San Antonio, TX

Active since July 15, 2006PECOS EnrolledAccepts Medicare Assignment
89.92/100
CMS Quality Rating
333 N SANTA ROSA ST, 8TH FLOOR, SAN ANTONIO, TX 78207(210) 704-2187(210) 704-3566 Get Directions Write a Review

NPPES record last updated: June 22, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Chatchawin Assanasen Md NPPES

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

DR. CHATCHAWIN ASSANASEN MD (NPI 1205852779) is an individual pediatric hematology-oncology provider in San Antonio, Texas, licensed in Texas (N9167) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1205852779
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameDR. CHATCHAWIN ASSANASENCredential: MD
Location Address333 N SANTA ROSA ST, 8TH FLOORSan Antonio, TX 78207-3108
Mailing Address7703 Floyd Curl Dr, Mc7977San Antonio, TX 78229-3901 · (210) 450-9000 · Fax (210) 450-4903
Phone(210) 704-2187
Fax(210) 704-3566
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateJuly 15, 2006
Last NPPES UpdateJune 22, 2011
✔ NPI 1205852779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
Licenses✔ Licensed in TX · N9167✔ Licensed in FL · ME80084
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
333 N SANTA ROSA ST, San Antonio, TX 78207
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Other Identifiers 3

Medicare PINTXB122803TX
Other220350702TX · Cshcn
Medicaid220350701TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Molina Healthcare and more.Insurance ›

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

Dr. Chatchawin Assanasen 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 ID7911893516
PECOS Enrollment IDI20110421000638
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 Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.92/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.39
Promoting Interoperability100
Improvement Activities40
Cost62.89

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.

CHRISTUS SANTA ROSA HEALTH CARE CORPORATION
Audiologist
333 N SANTA ROSA ST
SAN ANTONIO, TX 78207
Bexar County (210) 704-4708
DR. INGRID FRYDSON ANDRADE
Student in an Organized Health Care Education/Training Program
333 N SANTA ROSA ST, SUITE F3725
SAN ANTONIO, TX 78207
Bexar County (210) 704-3981
MARK BOSTON M.D.
Otolaryngology (Pediatric Otolaryngology)
333 N SANTA ROSA ST
SAN ANTONIO, TX 78207
Bexar County (210) 704-4039
ANDY GLENN SCOTT PA
Physician Assistant
333 N SANTA ROSA ST
SAN ANTONIO, TX 78207
Bexar County (210) 704-2190
APRIL D. SORRELL MD
Pediatrics (Pediatric Hematology-Oncology)
333 N SANTA ROSA ST
SAN ANTONIO, TX 78207
Bexar County (210) 704-4275
MEGAN MALCHAK OBRIEN MD
Pediatrics
333 N SANTA ROSA ST
SAN ANTONIO, TX 78207
Bexar County (210) 704-2190
HANNAH PHILLIPS RD
Dietitian, Registered
333 N SANTA ROSA ST
SAN ANTONIO, TX 78207
Bexar County (210) 704-4708
ERIN FLAHERTY D.O.
Obstetrics & Gynecology
333 N SANTA ROSA ST
SAN ANTONIO, TX 78207
Bexar County (210) 704-3235

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 Chatchawin Assanasen's NPI number?

The NPI number for Chatchawin Assanasen is 1205852779. It was assigned to this individual provider in the NPPES registry on July 15, 2006.

Where is Chatchawin Assanasen located?

Chatchawin Assanasen practices at 333 N Santa Rosa St 8th Floor, San Antonio, TX 78207. The listed phone number is (210) 704-2187.

What is Chatchawin Assanasen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Chatchawin Assanasen enrolled in Medicare?

Yes. Chatchawin Assanasen 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.

What insurance does Chatchawin Assanasen accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Molina Healthcare and WellPoint list Chatchawin Assanasen 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 Chatchawin Assanasen was last updated on June 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.