PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1770192387
Internal Medicine - Hematology & Oncology in Parker, CO

Q: What is Portercare Adventist Health System's NPI number?

The NPI number for Portercare Adventist Health System is 1770192387. It was assigned to this organization in the NPPES registry on July 29, 2020. The provider is doing business as AdventHealth Hematology and Oncology Parker. The provider is also known as Cypress Hematology and Oncology.

Q: What is Portercare Adventist Health System's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since July 29, 2020

9403 CROWN CREST BLVD STE 115, PARKER, CO 80138(303) 269-4420(303) 269-4439 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 12, 2026, May 24, 2021, Sep 14, 2020 and 1 more (4 updates tracked since 2020).

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About Portercare Adventist Health System NPPES

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

PORTERCARE ADVENTIST HEALTH SYSTEM (NPI 1770192387), doing business as Adventhealth Hematology And Oncology Parker, is a healthcare organization registered as a hematology & oncology in Parker, Colorado and active in the NPI registry since July 2020. The organization lists Jason Tacha, Coo, as its authorized official.

NPPES Registry Identity

NPI1770192387

Entity TypeOrganization

Primary Taxonomy207RH0003X

Legal Business NamePORTERCARE ADVENTIST HEALTH SYSTEM

Location Address9403 CROWN CREST BLVD STE 115Parker, CO 80138-8882

Mailing AddressPo Box 713425Chicago, IL 60677-4325 · (800) 953-0104 · Fax (303) 765-6670

Phone(303) 269-4420

Fax(303) 269-4439

Organization SubpartNo

Authorized OfficialJason TachaCoo · (303) 304-7752

Enumeration DateJuly 29, 2020

Last NPPES UpdateAugust 12, 20264 updates tracked since enumeration

NPPES CertifiedAugust 12, 2026

✔ NPI 1770192387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

9403 CROWN CREST BLVD STE 115, Parker, CO 80138

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Other Names 2

Doing Business AsAdventhealth Hematology And Oncology Parker

Other NameCypress Hematology And Oncology

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Portercare Adventist Health System is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

733

Medicare enrollment records show 733 clinicians reassign Medicare billing to Portercare Adventist Health System, which bills Medicare for the services they deliver. Of these, 28 practice at this address and 154 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 45

Nurse Practitioner159

Family Practice83

Internal Medicine77

Obstetrics/Gynecology69

Hospitalist47

Orthopedic Surgery36

Gastroenterology25

Mental Health Counselor20

37 other specialties217

Nearest to this location (20)

See all 733

Nadine Mikhaeel Kamel, M.D.

Hematology/Oncology

NPI 1316085939

9403 CROWN CREST BLVD STE 115
Parker, CO 80138

(303) 269-4420

✔ PECOS✔ Accepts MedicareSame address

Garrick Talmage, M.D.

Otolaryngology

NPI 1124481668

9403 CROWN CREST BLVD STE 300
Parker, CO 80138

(720) 274-2544

✔ PECOS✔ Accepts MedicareSame address

Chia-Hui Lee, MD

Obstetrics/Gynecology

NPI 1689650277

9403 CROWN CREST BLVD STE 200
Parker, CO 80138

(303) 721-1670

✔ PECOS✔ Accepts MedicareSame address

Shelly Posey, CNM

Certified Nurse Midwife (CNM)

NPI 1679759179

9403 CROWN CREST BLVD STE 200
Parker, CO 80138

(303) 840-8780

✔ PECOS✔ Accepts MedicareSame address

Erin Drake, MD

Obstetrics/Gynecology

NPI 1982223988

9403 CROWN CREST BLVD STE 200
Parker, CO 80138

(303) 724-2052

✔ PECOS✔ Accepts MedicareSame address

Erica Drennen, MD

Obstetrics/Gynecology

NPI 1982804837

9403 CROWN CREST BLVD STE 200
Parker, CO 80138

(720) 721-1670

✔ PECOS✔ Accepts MedicareSame address

Michael Driscoll, MA, LPC

Mental Health Counselor

NPI 1447554480

9403 CROWN CREST BLVD STE 300
Parker, CO 80138

(303) 770-0500

✔ PECOS✔ Accepts MedicareSame address

Ronald Hammers, M.D.

Neurosurgery

NPI 1730340324

9403 CROWN CREST BLVD STE 200
Parker, CO 80138

(720) 638-7500

✔ PECOS✔ Accepts MedicareSame address

Aliya Hasan, MD

Gastroenterology

NPI 1912053539

9403 CROWN CREST BLVD STE 420
Parker, CO 80138

(303) 925-4720

✔ PECOS✔ Accepts MedicareSame address

Emily Hensarling, AU.D.

Qualified Audiologist

NPI 1235250994

9403 CROWN CREST BLVD STE 300
Parker, CO 80138

(720) 274-2544

✔ Accepts MedicareSame address

Andrea Kessel, WHNP

Nurse Practitioner

NPI 1417326679

9403 CROWN CREST BLVD STE 200
Parker, CO 80138

(303) 840-8780

✔ PECOS✔ Accepts MedicareSame address

Jamie Koch, AUD

Qualified Audiologist

NPI 1558098418

9403 CROWN CREST BLVD STE 300ENT
Parker, CO 80138

(720) 274-2544

✔ Accepts MedicareSame address

Kelsey Lacomb, FNP-BC

Nurse Practitioner

NPI 1760264279

9403 CROWN CREST BLVD STE 300TVW
Parker, CO 80138

(303) 269-4410

✔ PECOS✔ Accepts MedicareSame address

Pujyitha Mandiga, MD

Gastroenterology

NPI 1740771401

9403 CROWN CREST BLVD STE 420
Parker, CO 80138

(303) 925-4720

✔ PECOS✔ Accepts MedicareSame address

Lauren Mininger, MA, LPC

Mental Health Counselor

NPI 1760612576

9403 CROWN CREST BLVD STE 200INTEG
Parker, CO 80138

(303) 721-1670

✔ PECOS✔ Accepts MedicareSame address

Lucia Notardonato, MD

Internal Medicine

NPI 1982165015

9403 CROWN CREST BLVD STE 115
Parker, CO 80138

(303) 269-4420

✔ PECOS✔ Accepts MedicareSame address

Ryan Smith, MD

Colorectal Surgery (Proctology)

NPI 1215432752

9403 CROWN CREST BLVD STE 200COLO
Parker, CO 80138

(303) 320-0699

✔ PECOS✔ Accepts MedicareSame address

Tyler Woodworth, MD

Physical Medicine and Rehabilitation

NPI 1861029019

9403 CROWN CREST BLVD STE 200
Parker, CO 80138

(720) 638-7500

✔ PECOS✔ Accepts MedicareSame address

Blake Babcock, M.D.

Surgical Oncology

NPI 1578873758

9403 CROWN CREST BLVD STE 200COLO
Parker, CO 80138

(303) 320-0699

✔ PECOS✔ Accepts MedicareSame address

Alexander Jones, MD

Family Practice

NPI 1891373213

9403 CROWN CREST BLVD STE 300
Parker, CO 80138

(303) 269-4410

✔ PECOS✔ Accepts MedicareSame address

See all 733 clinicians

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

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 Portercare Adventist Health System's NPI number?

The NPI number for Portercare Adventist Health System is 1770192387. It was assigned to this organization in the NPPES registry on July 29, 2020. The provider is doing business as AdventHealth Hematology and Oncology Parker. The provider is also known as Cypress Hematology and Oncology.

Where is Portercare Adventist Health System located?

Portercare Adventist Health System is located at 9403 Crown Crest Blvd Ste 115, Parker, CO 80138. The listed phone number is (303) 269-4420.

What is Portercare Adventist Health System's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Portercare Adventist Health System enrolled in Medicare?

Yes. Portercare Adventist Health System is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Portercare Adventist Health System?

According to the CMS Revalidation Reassignment List (October 2026 release), 733 clinicians in 45 Medicare specialties reassign their Medicare billing to Portercare Adventist Health System. A 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 the clinician's services. The largest specialties are Nurse Practitioner (159), Family Practice (83) and Internal Medicine (77). Of these, 28 practice at this address and 154 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Portercare Adventist Health System was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.