NPPES file of Aug 9, 2026

Diana Gill, M.D.

Obstetrics & Gynecology Physician · Milwaukie, OR

Diana Gill, M.D. is an obstetrics & gynecology physician with a practice address in Milwaukie, Oregon, and NPI 1386893444, issued on Sep 15, 2008. Check the license (Oregon MD28814, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386893444
Name
Diana Gill
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
MD28814 OR
036.119995 IL
Self-reported in NPPES; status is on the state search
Practice location
10330 SE 32ND Ave Ste 305, Milwaukie, OR 97222
Phone
(503) 513-1800
Enumerated
Sep 15, 2008
Record last updated
Mar 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
500603271 OR
Medicare enrollment
Enrolled (PECOS I20090416000777); 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.
Download card Updates feed

Also registered at 10330 SE 32ND Ave Ste 305

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

  1. Anita Chan, MDObstetrics & Gynecology Physician1912921156
  2. Suzanne Funkhouser, MDObstetrics & Gynecology Physician1124451521
  3. Mandeep Kingra, MDObstetrics & Gynecology Physician1750693602
  4. Janell Niemann-Ross, CNM, RNAdvanced Practice Midwife1255525655
  5. Dennis Tan, M.D.Obstetrics & Gynecology Physician1457577983

Verify Diana Gill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD28814
    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 Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

23% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

127 Medicare Part D claims for 54 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Diana Gill127
  2. Specialty average165

Most prescribed

  1. Estradiol45 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costout of 100 · 30%74.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Providence Health And Services OregonMilwaukie, OR

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

Diana Gill among 654 obstetrics & gynecology physician records in Oregon

Diana Gill, M.D. is one of 654 obstetrics & gynecology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 35% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2004 · median 2007 among the 413 with a school on file
  • Record last updated2021 · 57% 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 Oregon 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 Oregon

There are 654 obstetrics & gynecology physician records in Oregon.

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

  1. Samantha Adkins, MDMilwaukie, OR 972221790905164
  2. Anita Chan, MDMilwaukie, OR 972221912921156
  3. Suzanne Funkhouser, MDMilwaukie, OR 972221124451521
  4. Mandeep Kingra, MDMilwaukie, OR 972221750693602
  5. Nancy Lin, MDMilwaukie, OR 972221255302691
  6. Dennis Tan, M.D.Milwaukie, OR 972221457577983
  7. Robert Dyson, MDPortland, OR 972201922021336
  8. Maxine Bauer, M.D.Portland, OR 972251497749345

Common questions

What is Diana Gill, M.D.'s NPI number?

Diana Gill, M.D.'s National Provider Identifier (NPI) is 1386893444, issued on Sep 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Diana Gill, M.D. located?

The NPPES record lists a practice address at 10330 SE 32ND Ave Ste 305, Milwaukie, OR, 97222. Phone: (503) 513-1800. Providers update this record themselves, so call before visiting.

How can I verify Diana Gill, M.D.'s license?

NPPES lists Oregon license number MD28814, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Diana Gill, M.D. prescribe under Medicare Part D?

In 2024, Diana Gill, M.D. had 127 Medicare Part D claims for 54 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Diana Gill, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.