Lydia Fisher, M.D.
Infectious Disease Physician · Aurora, CO
Lydia Fisher, M.D. is an infectious disease physician with a practice address in Aurora, Colorado, and NPI 1275851255, issued on May 14, 2010. Check the license (Colorado DR.0055323, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lydia Fisher
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- DR.0055323 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1550 S Potomac St, Aurora, CO 80012
- Phone
- (303) 750-1800
- Enumerated
- May 14, 2010
- Record last updated
- Aug 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (303) 750-8000
- Medicaid ID
- 04824377 CO
- Medicare enrollment
- Enrolled (PECOS I20151002000548); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 182 in Colorado → Look up another NPI →
Also registered at 1550 S Potomac St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samer Alyaseen, MDInfectious Disease Physician1881610715
- Sandhya Ayyar, M.D.Infectious Disease Physician1861679086
- Mark Berland, DOGynecology Physician1124089107
- George Chin, MDSpecialist1013903707
- Katrina Coulter, M.D.Infectious Disease Physician1033343819
- Gordon Deagman, M.D.Internal Medicine Physician1346235439
Verify Lydia Fisher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0055323Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average infectious disease physician in 2024
428 Medicare Part D claims for 98 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Amoxicillin43 claims
- Amoxicillin-Clavulanate Potass41 claims
- Fluconazole38 claims
- Cephalexin28 claims
- Biktarvy26 claims
- Sulfamethoxazole-Trimethoprim23 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): 92.8 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $47.18
2 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rocky Mountain Infectious Disease Specialists, P.C.Aurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lydia Fisher among 182 infectious disease physician records in Colorado
Lydia Fisher, M.D. is one of 182 infectious disease physician records with a practice address in Colorado. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 72% of them.
- NPI issued2010 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2015 · median 2004 among the 125 with a school on file
- Record last updated2015 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Colorado
There are 182 infectious disease physician records in Colorado.
All 182 in Colorado → Every provider in Aurora → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Samer Alyaseen, MDAurora, CO 800121881610715
- Sandhya Ayyar, M.D.Aurora, CO 800121861679086
- Katrina Coulter, M.D.Aurora, CO 800121033343819
- Sara Gore, M.D.Aurora, CO 800121407234198
- Jonathan Harte, M.D.Aurora, CO 800121407857782
- Claudia Ihm, M.D.Aurora, CO 800121821346727
- Jing Kroll, MDAurora, CO 800121841486446
- James Neid, M.D.Aurora, CO 800121962467126
Common questions
What is Lydia Fisher, M.D.'s NPI number?
Lydia Fisher, M.D.'s National Provider Identifier (NPI) is 1275851255, issued on May 14, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Lydia Fisher, M.D. located?
The NPPES record lists a practice address at 1550 S Potomac St, Aurora, CO, 80012. Phone: (303) 750-1800. Providers update this record themselves, so call before visiting.
How can I verify Lydia Fisher, M.D.'s license?
NPPES lists Colorado license number DR.0055323, 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 Lydia Fisher, M.D. prescribe under Medicare Part D?
In 2024, Lydia Fisher, M.D. had 428 Medicare Part D claims for 98 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Lydia Fisher, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.8 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.