Registry data as of Aug 27, 2026

Ob Gyn Affiliates

Ob Gyn Affiliates holds 24 active organization NPIs in the federal registry, with practice locations in 16 cities in 2 states. All list obstetrics & gynecology physician as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Lone Tree, CO has the most NPIs, 4

  1. Lone Tree, CO4
  2. Denver, CO3
  3. Aurora, CO2
  4. Englewood, CO2
  5. Littleton, CO2
  6. Arvada, CO1
  7. Castle Rock, CO1
  8. Evergreen, CO1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2020 and 2023

Ob Gyn Affiliates NPIs by year issued2006: 2, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 17, 2021: 1, 2022: 0, 2023: 3, 2024: 1051015202006200820102012201420162018202020222024172023: 3211
Ob Gyn Affiliates NPIs by year issued2006: 2, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 17, 2021: 1, 2022: 0, 2023: 3, 2024: 1051015202006200720082009201020112012201320142015201620172018201920202021202220232024173211
Ob Gyn Affiliates NPIs by year issued2006: 2, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 17, 2021: 1, 2022: 0, 2023: 3, 2024: 10510152020062009201220152018202120242020: 17

Source: CMS NPPES, enumeration dates.

17 NPIs were issued in 2020 alone, more than in any other year; none in 14 of the years between.

Lone Tree, CO locations

The city with the most Ob Gyn Affiliates NPIs. The full list of all 24 follows.

NPILocationPrimary taxonomyIssued
185191573010103 RIDGEGATE PKWY STE 313, Lone Tree, COObstetrics & Gynecology PhysicianJun 5, 2020
116404604110465 PARK MEADOWS DRIVE SUITE 104, Lone Tree, COObstetrics & Gynecology PhysicianJun 5, 2020
197212787610107 RIDGEGATE PKWY SUITE 320, Lone Tree, COObstetrics & Gynecology PhysicianJun 5, 2020
102363385610099 RIDGEGATE PKWY STE 280, Lone Tree, COObstetrics & Gynecology PhysicianJun 8, 2020
All 24 locations, by state and city
NPILocationPrimary taxonomyIssued
18610167687950 KIPLING ST STE 201, Arvada, COObstetrics & Gynecology PhysicianJun 5, 2020
197212786811175 E MISSISSIPPI AVE STE 210, Aurora, COObstetrics & Gynecology PhysicianJun 5, 2020
15883367391444 S POTOMAC ST STE 100, Aurora, COObstetrics & Gynecology PhysicianOct 5, 2021
18812187744350 LIMELIGHT AVE STE 205, Castle Rock, COObstetrics & Gynecology PhysicianJun 5, 2020
16296925207350 E 29TH AVE UNIT 203, Denver, COObstetrics & Gynecology PhysicianJun 5, 2020
1568086445130 RAMPART WAY STE 150, Denver, COObstetrics & Gynecology PhysicianJun 5, 2020
12753411741601 E 19TH AVE STE 4200, Denver, COObstetrics & Gynecology PhysicianDec 23, 2024
1346864329125 INVERNESS DR E STE 210, Englewood, COObstetrics & Gynecology PhysicianJun 4, 2020
1003430984499 E HAMPDEN AVE STE 190, Englewood, COObstetrics & Gynecology PhysicianJun 5, 2020
199232988232135 CASTLE CT STE 101A, Evergreen, COObstetrics & Gynecology PhysicianJun 5, 2020
19328989621600 SPECHT POINT RD STE 127, Fort Collins, COObstetrics & Gynecology PhysicianMay 4, 2023
19721279592801 YOUNGFIELD ST STE 200, Golden, COObstetrics & Gynecology PhysicianJun 4, 2020
16195915919137 RIDGELINE BLVD STE 200, Highlands Ranch, COObstetrics & Gynecology PhysicianJun 5, 2020
1154029577111 6TH ST, Hugo, COObstetrics & Gynecology PhysicianFeb 16, 2023
1669096558255 UNION BLVD STE 200, Lakewood, COObstetrics & Gynecology PhysicianJun 5, 2020
11341857211745 SHEA CENTER DR #400, Littleton, COObstetrics & Gynecology PhysicianApr 24, 2006
17509065827720 S BROADWAY STE 440, Littleton, COObstetrics & Gynecology PhysicianJun 8, 2020
185191573010103 RIDGEGATE PKWY STE 313, Lone Tree, COObstetrics & Gynecology PhysicianJun 5, 2020
116404604110465 PARK MEADOWS DRIVE SUITE 104, Lone Tree, COObstetrics & Gynecology PhysicianJun 5, 2020
197212787610107 RIDGEGATE PKWY SUITE 320, Lone Tree, COObstetrics & Gynecology PhysicianJun 5, 2020
102363385610099 RIDGEGATE PKWY STE 280, Lone Tree, COObstetrics & Gynecology PhysicianJun 8, 2020
10136086601907 BOISE AVE STE 3, Loveland, COObstetrics & Gynecology PhysicianMay 16, 2023
12054501033455 LUTHERAN PKWY STE 210, Wheat Ridge, COObstetrics & Gynecology PhysicianJun 5, 2020
187154729991 MAIN ST BOX 513, Newton, NJObstetrics & Gynecology PhysicianMay 20, 2006

Related names

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Ob Gyn Affiliates have 24 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Ob Gyn Affiliates's NPIs list practice locations in 16 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.