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NPISignal

Individual Healthcare Provider

Natalia M Grob, MD

NPI Record: ActiveObstetrics & Gynecology — Reproductive Endocrinology
NPI1053622639
Denver, Colorado

Provider's NPPES record last updated: May 14, 2024

Overview

Entity Type
Individual Healthcare Provider
NPI
1053622639
Primary Specialty
Obstetrics & Gynecology — Reproductive Endocrinology
Practice Location
Denver, Colorado
Sole Proprietor
Yes

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 18, 2026, 6:18 PM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Obstetrics & Gynecology

    Reproductive Endocrinology

    Allopathic & Osteopathic Physicians

    Primary

    An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.

    Taxonomy code 207VE0102X

Provider-Reported License Information

Obstetrics & Gynecology (Colorado)
CDRH.0053437
Obstetrics & Gynecology (Illinois)
036167910
Obstetrics & Gynecology (Minnesota)
76253
Obstetrics & Gynecology (Washington)
MD61490460
Obstetrics & Gynecology (Nebraska)
36094
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

220 Josephine St

Denver, Colorado 80206-4750

Phone: (720) 370-5671

Additional Practice Location

1455 N Milwaukee Ave

Chicago, Illinois 60622-2015

Phone: (773) 435-9036

Additional Practice Location

2246 Weber Rd

Crest Hill, Illinois 60403-0928

Phone: (815) 725-4161

Additional Practice Location

333 S Desplaines St Ste 201

Chicago, Illinois 60661-5514

Phone: (773) 435-9029

Additional Practice Location

2172 Blackberry Dr Ste 204

Geneva, Illinois 60134-1106

Phone: (815) 725-4341

Additional Practice Location

811 Stewart St

Seattle, Washington 98101-1305

Phone: (206) 736-5839

Additional Practice Location

2501 Ne 134th St Ste 100

Vancouver, Washington 98686-3027

Phone: (360) 535-7590

Additional Practice Location

138 N 2nd St

Minneapolis, Minnesota 55401-4458

Phone: (612) 230-4090

Additional Practice Location

1585 N Barrington Rd Ste 401

Hoffman Estates, Illinois 60169-5020

Phone: (847) 843-7090

Additional Practice Location

6 Bronze Pointe S

Swansea, Illinois 62226-8307

Phone: (314) 266-2062

Additional Practice Location

2501 Compass Rd Ste 135

Glenview, Illinois 60026-8068

Phone: (224) 404-2042

Record Information

Enumeration Date
June 29, 2010
Provider's NPPES Record Last Updated
May 14, 2024
Certification Date
May 14, 2024
NPISignal NPPES Dataset
August 2026

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