Mara Mindy Isser Sax, D.O.
Physical Medicine & Rehabilitation Physician · Denver, CO
Mara Mindy Isser Sax, D.O. is a physical medicine & rehabilitation physician with a practice address in Denver, Colorado, and NPI 1194776898, issued on May 15, 2006. Check the license (Colorado 43136, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mara Mindy Isser Sax
- Credential
- D.O.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License numbers
- 43136 CO
5101014247 MI
Self-reported in NPPES; status is on the state search - Practice location
- 100 Cook Street, Denver, CO 80206
- Phone
- (720) 516-9419
- Enumerated
- May 15, 2006
- Record last updated
- Jun 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (720) 516-9419
- Medicare enrollment
- Enrolled (PECOS I20050131000260); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 356 in Colorado → Look up another NPI →
Also registered at 100 Cook Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Browning, M.D.Dermatology Physician1447613781
- Andrew Federer, MDOrthopaedic Hand Surgery Physician1780003954
- Marissa Jamieson, MDOrthopaedic Foot and Ankle Surgery Physician1265878599
- Ikue Nakayama, MDCritical Care Medicine (Internal Medicine) Physician1538324868
- Haider Yusufi, PAMedical Physician Assistant1427367895
Verify Mara Mindy Isser Sax in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 43136Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
601 Medicare Part D claims for 207 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 80 claims were for opioids.
Most prescribed
- Gabapentin226 claims
- Pregabalin70 claims
- Tramadol Hcl63 claims
- Meloxicam56 claims
- Tizanidine Hcl47 claims
- Methylprednisolone27 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $611.59
27 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $1,237.86 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
- Poudre Valley Medical Group LLCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mara Mindy Isser Sax among 356 physical medicine & rehabilitation physician records in Colorado
Mara Mindy Isser Sax, D.O. is one of 356 physical medicine & rehabilitation physician records with a practice address in Colorado. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated1999 · median 2007 among the 165 with a school on file
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Colorado
There are 356 physical medicine & rehabilitation physician records in Colorado.
All 356 in Colorado → Every provider in Denver → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Robert Alexander, LMTDenver, CO 802061518236090
- Malia Cali, MDDenver, CO 802061720582364
- Joshua Fruchtman, MSPTDenver, CO 802061447404108
- Daniel Colonno, M.D.Denver, CO 802051437329935
- Cindy GonzalesDenver, CO 802051699805440
- Christopher Kudron, M.D.Denver, CO 802051952695322
- Sara Meadows, DODenver, CO 802051780840454
- David Mulica, MDDenver, CO 802051487798286
Common questions
What is Mara Mindy Isser Sax, D.O.'s NPI number?
Mara Mindy Isser Sax, D.O.'s National Provider Identifier (NPI) is 1194776898, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mara Mindy Isser Sax, D.O. located?
The NPPES record lists a practice address at 100 Cook Street, Denver, CO, 80206. Phone: (720) 516-9419. Providers update this record themselves, so call before visiting.
How can I verify Mara Mindy Isser Sax, D.O.'s license?
NPPES lists Colorado license number 43136, 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 Mara Mindy Isser Sax, D.O. prescribe under Medicare Part D?
In 2024, Mara Mindy Isser Sax, D.O. had 601 Medicare Part D claims for 207 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Mara Mindy Isser Sax, D.O.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.