NPPES file of Aug 9, 2026

Rachel Caryn Fischer, MD

Preventive Medicine/Occupational Environmental Medicine Physician · Loveland, CO

Rachel Caryn Fischer, MD is a preventive medicine/occupational environmental medicine physician with a practice address in Loveland, Colorado, and NPI 1811127780, issued on Jul 24, 2009. Check the license (Colorado 0059225, 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
1811127780
Name
Rachel Caryn Fischer
Credential
MD
Primary taxonomy
Preventive Medicine/Occupational Environmental Medicine Physician 2083P0500X
License numbers
0059225 CO
MD153557 OR
Self-reported in NPPES; status is on the state search
Practice location
3553 Clydesdale Pkwy, Loveland, CO 80538
Phone
(970) 278-0900
Enumerated
Jul 24, 2009
Record last updated
Jul 20, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(970) 278-4005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3553 Clydesdale Pkwy

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

  1. James Howton, D.O.Family Medicine Physician1558472092

Verify Rachel Caryn Fischer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 0059225
    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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48% fewer Medicare Part D claims than the average preventive medicine/occupational environmental medicine physician in 2024

327 Medicare Part D claims for 41 beneficiaries, against an average of 626 among the 189 providers of this specialty who prescribed in Part D.

  1. Rachel Fischer327
  2. Specialty average626

Most prescribed

  1. Progesterone70 claims
  2. Levothyroxine Sodium51 claims
  3. Rosuvastatin Calcium42 claims
  4. Synthroid32 claims
  5. Estradiol (Twice Weekly)16 claims
  6. Liothyronine Sodium16 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.

Industry payments in 2024: $458.93

16 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 71 providers of this specialty with any payment received $2,513.26 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rachel Fischer$458.93
  2. Specialty average$2,513.26

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Rachel Caryn Fischer among 42 preventive medicine/occupational environmental medicine physician records in Colorado

Rachel Caryn Fischer, MD is one of 42 preventive medicine/occupational environmental medicine physician records with a practice address in Colorado. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 79% of them.

  • NPI issued2009 · 79% of these records are older, 17% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileNo · 5% of these records are
  • Record last updated2018 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0500X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Preventive Medicine/Occupational Environmental Medicine Physician providers in Colorado

There are 42 preventive medicine/occupational environmental medicine physician records in Colorado.

The 8 preventive medicine/occupational environmental medicine physician records with the nearest ZIP codes

  1. Marc-Andre Chimonas, M.D.Loveland, CO 805381538238704
  2. Patrick Quigley, M.D., M.S.Loveland, CO 805381780724625
  3. William Milliken, MDWindsor, CO 805281578552360
  4. Bruce Belleville, M.D.Fort Collins, CO 805261073670873
  5. Brian Thompson, M.D.Fort Collins, CO 805241205980463
  6. John Mars, MDLongmont, CO 805011316077506
  7. James Rafferty, DOGreeley, CO 806311821160466
  8. Mark Frank, M.D.Boulder, CO 803051952422446

Common questions

What is Rachel Caryn Fischer, MD's NPI number?

Rachel Caryn Fischer, MD's National Provider Identifier (NPI) is 1811127780, issued on Jul 24, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Rachel Caryn Fischer, MD located?

The NPPES record lists a practice address at 3553 Clydesdale Pkwy, Loveland, CO, 80538. Phone: (970) 278-0900. Providers update this record themselves, so call before visiting.

How can I verify Rachel Caryn Fischer, MD's license?

NPPES lists Colorado license number 0059225, 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 Rachel Caryn Fischer, MD prescribe under Medicare Part D?

In 2024, Rachel Caryn Fischer, MD had 327 Medicare Part D claims for 41 beneficiaries; the average among preventive medicine/occupational environmental medicine physician prescribers was 626. 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.