CHRISTOPHER HAYDEK MD
NPI 1164963336
Internal Medicine - Gastroenterology in Castle Rock, CO

Q: What is Christopher Haydek's NPI number?

The NPI number for Christopher Haydek is 1164963336. It was assigned to this individual provider in the NPPES registry on March 20, 2017.

Q: What is Christopher Haydek's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Active since March 20, 2017PECOS EnrolledAccepts Medicare Assignment

38.96/100

CMS Quality Rating

3911 AMBROSIA ST STE 201, CASTLE ROCK, CO 80109(303) 788-8888(844) 347-5158 Get Directions Write a Review

NPPES record last updated: October 31, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 31, 2023, Jun 21, 2023, Aug 13, 2018 and 1 more (4 updates tracked since 2017).

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About Christopher Haydek Md NPPES

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

CHRISTOPHER HAYDEK MD (NPI 1164963336) is an individual gastroenterology provider in Castle Rock, Colorado, licensed in Colorado (DR.0070241) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2017).

NPPES Registry Identity

NPI1164963336

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameCHRISTOPHER HAYDEKCredential: MD

Location Address3911 AMBROSIA ST STE 201Castle Rock, CO 80109-3888

Mailing Address3911 Ambrosia St Ste 201Castle Rock, CO 80109-3888 · (303) 788-8888 · Fax (844) 347-5158

Phone(303) 788-8888

Fax(844) 347-5158

Sole ProprietorYes

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2017

Enumeration DateMarch 20, 2017

Last NPPES UpdateOctober 31, 20234 updates tracked since enumeration

NPPES CertifiedOctober 31, 2023

✔ NPI 1164963336 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in CO · DR.0070241

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

3911 AMBROSIA ST STE 201, Castle Rock, CO 80109

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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

Christopher Haydek 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 ID7214207091

PECOS Enrollment IDI20230516000397

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

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

South Denver Gastroenterology, PC

Same address

Gastroenterology

3911 AMBROSIA ST STE 201
Castle Rock, CO 80109

Reassigned Medicare billing, Colorado enrollment
Medicare enrollment name: South Denver Gastroenterology, P.C
55 clinicians in this Medicare group

NPI 1205432507 (303) 788-8888

Yuma District Hospital

103 mi

Rural Health

82 MAIN AVE
Akron, CO 80720

Reassigned Medicare billing, Colorado enrollment
Also billed through NPI 1629074182 (Colorado)
41 clinicians in this Medicare group

NPI 1730185323 (970) 345-6336

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

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

57 services55 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

57 services48 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

43 services38 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

42 services36 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

34 services33 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

32 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80109 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

$132.55 typical visit price

range $58.06 – $174.82

Typical copayment $33.13 (range $14.51 – $43.70)

Most-billed visit code 99204

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

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.

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.

38.96/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

Promoting Interoperability

100

Improvement Activities

Cost

46.55

Reported Quality Measures

e-Prescribing

99%439 patients4/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

86%217 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GI CARE OF COLORADO PLLC

Internal Medicine (Gastroenterology)