NPPES file of Aug 9, 2026

Riana Mariah North, MD

Obstetrics & Gynecology Physician · Denver, CO

Riana Mariah North, MD is an obstetrics & gynecology physician with a practice address in Denver, Colorado, and NPI 1528264868, issued on Jun 24, 2007. Check the license (Colorado 50104, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528264868
Name
Riana Mariah North
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
50104 CO
RS20070429 NM
Self-reported in NPPES; status is on the state search
Practice location
10400 E Alameda Ave, Denver, CO 80247
Phone
(303) 338-4545
Enumerated
Jun 24, 2007
Record last updated
Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
16851366 CO
Medicare enrollment
Enrolled (PECOS I20251030000126); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10400 E Alameda Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brandy Allen, MDInternal Medicine Physician1609865468
  2. Faranghise Bahhage, MDFamily Medicine Physician1194852160
  3. Elaine BalasiaInternal Medicine Physician1508993544
  4. Karen Banks, RNCase Management Registered Nurse1093391641
  5. Daniel Barry, MDInternal Medicine Physician1841380425
  6. Brittney Bastow, MDObstetrics & Gynecology Physician1447540208

Verify Riana Mariah North in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 50104
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

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22% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

202 Medicare Part D claims for 77 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Riana North202
  2. Specialty average165

Most prescribed

  1. Estradiol44 claims
  2. Norethindrone Acetate25 claims
  3. Estradiol (Once Weekly)19 claims
  4. Progesterone14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Obhg Massachusetts PCLawrence, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Riana Mariah North among 906 obstetrics & gynecology physician records in Colorado

Riana Mariah North, MD is one of 906 obstetrics & gynecology physician records with a practice address in Colorado. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 39% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2007 · median 2008 among the 504 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Colorado

There are 906 obstetrics & gynecology physician records in Colorado.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Jandel Allen-Davis, M.D.Denver, CO 802471538296413
  2. Tracy Anderson, MDDenver, CO 802471649307620
  3. Scott Barton, M.D.Denver, CO 802471639213408
  4. Barbara CoykendallDenver, CO 802471750418760
  5. Toya Ellis, MDDenver, CO 802471558498436
  6. Joyce Gottesfeld, MDDenver, CO 802471992832943
  7. Thomas Landry, MDDenver, CO 802471326182031
  8. Patricia MelcherDenver, CO 802471679600613

Common questions

What is Riana Mariah North, MD's NPI number?

Riana Mariah North, MD's National Provider Identifier (NPI) is 1528264868, issued on Jun 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Riana Mariah North, MD located?

The NPPES record lists a practice address at 10400 E Alameda Ave, Denver, CO, 80247. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.

How can I verify Riana Mariah North, MD's license?

NPPES lists Colorado license number 50104, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Riana Mariah North, MD prescribe under Medicare Part D?

In 2024, Riana Mariah North, MD had 202 Medicare Part D claims for 77 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.