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DR. MARCI LEE K PERALTO KRONBACH M.D.
NPI 1932318854
Obstetrics & Gynecology in Superior, CO

Active since May 21, 2007PECOS EnrolledAccepts Medicare Assignment
3 SUPERIOR DR STE 400, SUPERIOR, CO 80027(303) 673-1440(303) 673-1360 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 14, 2026, Jan 2, 2026, Nov 22, 2019 and 1 more (4 updates tracked since 2017).

About Dr. Marci Lee K Peralto Kronbach M.d. NPPES

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

DR. MARCI LEE K PERALTO KRONBACH M.D. (NPI 1932318854) is an individual obstetrics & gynecology provider in Superior, Colorado, licensed in Colorado (DR.0049772) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2007).

NPPES Registry Identity

NPI1932318854
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. MARCI LEE K PERALTO KRONBACHCredential: M.D.
Location Address3 SUPERIOR DR STE 400Superior, CO 80027-8656
Mailing Address3 Superior Dr Ste 400Superior, CO 80027-8656 · (303) 241-7656
Phone(303) 673-1440
Fax(303) 673-1360
Sole ProprietorNo
Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 2007
Enumeration DateMay 21, 2007
Last NPPES UpdateJanuary 14, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2026
✔ NPI 1932318854 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CO · DR.0049772✔ Licensed in HI · 18377
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
3 SUPERIOR DR STE 400, Superior, CO 80027
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Other Names 1

Former Name (1)Marci L.k. Peralto Md

Secondary Practice Locations 2

Location 13 Superior Dr Ste 400Superior, CO 80027-8656 · Phone (303) 673-1440 · Fax (303) 673-1360
Location 24745 Arapahoe Ave Ste 320Boulder, CO 80303-1082 · Phone (303) 441-0587

Other Identifiers 2

Medicaid91652570CO
Other21892CO · Kaiser Commercial Number

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. Marci Lee K Peralto Kronbach 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 ID7719151687
PECOS Enrollment IDI20111111000320
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

4

Medicare enrollment records show Marci Kronbach reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Boulder Community Health
0.5 mi
Primary Care
3 SUPERIOR DR STE 100B
Superior, CO 80027
  • Reassigned Medicare billing, Colorado enrollment
  • 283 clinicians in this Medicare group
NPI 1053967869 (303) 415-8940
Intermountain Medical Group Denver, LLC
2.7 mi
Physical Medicine & Rehabilitation
500 ELDORADO BLVD BLDG 4
Broomfield, CO 80021
  • Reassigned Medicare billing, Colorado enrollment
  • 1,270 clinicians in this Medicare group
NPI 1053083618 (720) 807-4461
Saint Joseph Hospital, Inc
2.8 mi
Internal Medicine
500 ELDORADO BLVD, BLDG 6 STE 6250
Broomfield, CO 80021
  • Reassigned Medicare billing, Colorado enrollment
  • 114 clinicians in this Medicare group
NPI 1487694196 (855) 851-4127
Obstetrix Medical Group Of Colorado P C
17 mi
Pediatric Cardiology
2055 HIGH STREET, STE 255
Denver, CO 80205
  • Reassigned Medicare billing, Colorado enrollment
  • 118 clinicians in this Medicare group
NPI 1497779276 (303) 860-9933

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80027 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
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
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 3

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

DR. BRIANNA WHITTEMORE M.D.
Obstetrics & Gynecology
3 SUPERIOR DR STE 400
SUPERIOR, CO 80027
Boulder County (303) 673-1440
DR. EMILY DELEON M.D.
Obstetrics & Gynecology
3 SUPERIOR DR STE 400
SUPERIOR, CO 80027
Boulder County (303) 673-1440
INTERMOUNTAIN MEDICAL GROUP DENVER, LLC
Family Medicine
3 SUPERIOR DR STE 400
SUPERIOR, CO 80027
Boulder County (303) 673-1440

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 Marci Kronbach's NPI number?

The NPI number for Marci Kronbach is 1932318854. It was assigned to this individual provider in the NPPES registry on May 21, 2007. The provider is also known as Marci L.K. Peralto MD.

Where is Marci Kronbach located?

Marci Kronbach practices at 3 Superior Dr Ste 400, Superior, CO 80027. The listed phone number is (303) 673-1440.

What is Marci Kronbach's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Marci Kronbach enrolled in Medicare?

Yes. Marci Kronbach 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 Marci Kronbach's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marci Kronbach reassigns Medicare benefits to 4 organizations: Boulder Community Health (Superior, CO), Intermountain Medical Group Denver, LLC (Broomfield, CO), Saint Joseph Hospital, Inc (Broomfield, CO) and Obstetrix Medical Group Of Colorado P C (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 Marci Kronbach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marci Kronbach was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.