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DR. CHAFEN WATKINS HART M.D.
NPI 1992901334
Pediatrics in Denver, CO

Active since June 22, 2007PECOS EnrolledAccepts Medicare Assignment
660 BANNOCK ST, DENVER, CO 80204(303) 436-4949(303) 602-5055 Get Directions Write a Review

NPPES record last updated: August 10, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Chafen Watkins Hart M.d. NPPES

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

DR. CHAFEN WATKINS HART M.D. (NPI 1992901334) is an individual pediatrics provider in Denver, Colorado, licensed in Colorado (DR.0065388) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Texas Medical School At San Antonio (2007).

NPPES Registry Identity

NPI1992901334
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. CHAFEN WATKINS HARTCredential: M.D.
Location Address660 BANNOCK STDenver, CO 80204-4506
Mailing Address777 Bannock StDenver, CO 80204-4597 · (303) 436-4949 · Fax (303) 602-5055
Phone(303) 436-4949
Fax(303) 602-5055
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2007
Enumeration DateJune 22, 2007
Last NPPES UpdateAugust 10, 2024
NPPES CertifiedAugust 10, 2024
✔ NPI 1992901334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in CO · DR.0065388✔ Licensed in MA · 232837
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
660 BANNOCK ST, Denver, CO 80204
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Secondary Practice Locations 2

Location 1750 Washington StBoston, MA 02111-1526 · Phone (617) 636-7938
Location 2777 Bannock StDenver, CO 80204-4507 · Phone (303) 436-4949 · Fax (303) 602-5055

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

Dr. Chafen Watkins Hart M.d. 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 ID446631196
PECOS Enrollment IDI20230926004120
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

2

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

Denver Health And Hospital Authority
0.1 mi
General Practice
777 BANNOCK ST
Denver, CO 80204
  • Reassigned Medicare billing, Colorado enrollment
  • 2,259 clinicians in this Medicare group
NPI 1477569838 (303) 436-6000
National Jewish Health
2.6 mi
General Acute Care Hospital
1400 JACKSON ST
Denver, CO 80206
  • Reassigned Medicare billing, Colorado enrollment
  • 281 clinicians in this Medicare group
NPI 1326015777 (303) 388-4461

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 8

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.

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.
80 services76 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.
65 services65 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.
43 services39 patients
Sleep study including heart rate, breathing, and sleep time 95800
A sleep study monitors your sleep patterns to evaluate your sleep quality. It records your heart rate, breathing, and actual sleep time. This information helps identify any sleep disorders, ensuring you get the rest you need for optimal health.
22 services22 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.
21 services18 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80204 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
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.

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.

RYANN SHADICK DMD
Student in an Organized Health Care Education/Training Program
660 BANNOCK ST
DENVER, CO 80204
Denver County (303) 436-6000
OWEN LESTER WILLIAMS IV
Student in an Organized Health Care Education/Training Program
660 BANNOCK ST
DENVER, CO 80204
Denver County (303) 436-6000
ELLEN EGIDIA SARCONE MD
Internal Medicine
660 BANNOCK ST, MAIL CODE 4000
DENVER, CO 80204
Denver County (303) 436-6907
DR. JORDAN JAY KARLITZ MD
Internal Medicine (Gastroenterology)
660 BANNOCK ST
DENVER, CO 80204
Denver County (720) 848-0000
DR. MICHELLE KATHERINE HAAS MD
Internal Medicine (Infectious Disease)
660 BANNOCK ST
DENVER, CO 80204
Denver County (303) 602-5052
MICHAEL J BREYER MD
Emergency Medicine
660 BANNOCK ST
DENVER, CO 80204
Denver County (303) 739-1211
DR. SUSANNA KOVARI M.D.
Psychiatry & Neurology (Psychiatry)
660 BANNOCK ST
DENVER, CO 80204
Denver County (303) 602-8270
ROCIO TERRONES
Technician/Technologist (Ophthalmic)
660 BANNOCK ST
DENVER, CO 80204
Denver County (303) 602-8550

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 Chafen Hart's NPI number?

The NPI number for Chafen Hart is 1992901334. It was assigned to this individual provider in the NPPES registry on June 22, 2007.

Where is Chafen Hart located?

Chafen Hart practices at 660 Bannock St, Denver, CO 80204. The listed phone number is (303) 436-4949.

What is Chafen Hart's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Chafen Hart enrolled in Medicare?

Yes. Chafen Hart 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 organizations bill Medicare for Chafen Hart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chafen Hart reassigns Medicare benefits to 2 organizations: Denver Health And Hospital Authority (Denver, CO) and National Jewish Health (Denver, CO). Each 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 Chafen Hart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chafen Hart accept?

Health plans from UnitedHealthcare list Chafen Hart 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 Chafen Hart was last updated on August 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.