John D. Aikin, MD
Internal Medicine Physician · Highlands Ranch, CO
John D. Aikin, MD is an internal medicine physician with a practice address in Highlands Ranch, Colorado, and NPI 1770588402, issued on Jun 17, 2005. Check the license (Colorado 23700, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- John D. Aikin
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 23700 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9088 Ridgeline Blvd Ste 201, Highlands Ranch, CO 80129
- Phone
- (720) 266-6900
- Enumerated
- Jun 17, 2005
- Record last updated
- Mar 6, 2023
- Fax
- (720) 791-9920
- Medicaid ID
- 01237007 CO
- Medicare enrollment
- Enrolled (PECOS I20050914000498); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1979
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 9088 Ridgeline Blvd Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah Addison, PAPhysician Assistant1669040044
- Linda Earnest, LISW, LCSWClinical Social Worker1619083805
- Roberta GrabockaPhysician Assistant1003579897
- Seth JonesFamily Nurse Practitioner1134855331
- Lydia Min, MDInternal Medicine Physician1770010936
- Shanna Saadeh, LPCProfessional Counselor1407171416
Verify John D. Aikin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 23700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
448 Medicare Part D claims for 174 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium36 claims
- Levothyroxine Sodium25 claims
- Pantoprazole Sodium20 claims
- Azithromycin16 claims
- Rosuvastatin Calcium13 claims
- Losartan Potassium12 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): 62.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Portercare Adventist Health SystemHighlands Ranch, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John D. Aikin among 2,046 internal medicine physician records in Colorado
John D. Aikin, MD is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1979 · median 2006 among the 1,090 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 internal medicine physician records list a practice address in Highlands Ranch
They are 27 of the 1,361 NPPES records with a practice address in Highlands Ranch, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Highlands Ranch → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Deborah BeasleyHighlands Ranch, CO 801291144369547
- Ellen Burkett, MDHighlands Ranch, CO 801291659334118
- Brownie Flesche, M.D.Highlands Ranch, CO 801291184768954
- Katy HoxworthHighlands Ranch, CO 801291164566873
- Joseph Ladika, MDHighlands Ranch, CO 801291477534154
- Todd Larson, M.D.Highlands Ranch, CO 801291316958051
- Jonathan Lee, M DHighlands Ranch, CO 801291235128562
- Dawn Newell, M.D.Highlands Ranch, CO 801291629105648
Common questions
What is John D. Aikin, MD's NPI number?
John D. Aikin, MD's National Provider Identifier (NPI) is 1770588402, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John D. Aikin, MD located?
The NPPES record lists a practice address at 9088 Ridgeline Blvd Ste 201, Highlands Ranch, CO, 80129. Phone: (720) 266-6900. Providers update this record themselves, so call before visiting.
How can I verify John D. Aikin, MD's license?
NPPES lists Colorado license number 23700, 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 John D. Aikin, MD prescribe under Medicare Part D?
In 2024, John D. Aikin, MD had 448 Medicare Part D claims for 174 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John D. Aikin, MD's MIPS final score?
The 2023 MIPS final score is 62.6 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.