Jeffrey Keokolo Tamsing, M.D.
Neurology Physician · Parker, CO
Jeffrey Keokolo Tamsing, M.D. is a neurology physician with a practice address in Parker, Colorado, and NPI 1457518680, issued on May 16, 2008. Check the license (Colorado 45856, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Keokolo Tamsing
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 45856 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9235 Crown Crest Blvd, Parker, CO 80138
- Phone
- (303) 840-5051
- Enumerated
- May 16, 2008
- Record last updated
- Apr 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (303) 840-5058
- Medicare enrollment
- Enrolled (PECOS I20080818000016); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 396 in Colorado → Look up another NPI →
Also registered at 9235 Crown Crest Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Crandall, PNP-PCPediatric Nurse Practitioner1013440726
- Brooke Fawcett, CPNP-CPPediatric Nurse Practitioner1467056218
- Jaime Fell, PA-CMedical Physician Assistant1659632040
- Janae Haycock, CPNPPediatric Nurse Practitioner1801119383
- Kathryn Polovitz, M.D.Internal Medicine Physician1457557191
- Ravi Shah, MDNeurology Physician1013999895
Verify Jeffrey Keokolo Tamsing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 45856Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average neurology physician in 2024
1,194 Medicare Part D claims for 192 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin143 claims
- Duloxetine Hcl59 claims
- Gammaked46 claims
- Sodium Chloride40 claims
- Privigen38 claims
- Levetiracetam37 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): 0 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: $28,934.00
234 payments; by number, the most common kind was food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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
- Neurology OF The Rockies LLCParker, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Keokolo Tamsing among 396 neurology physician records in Colorado
Jeffrey Keokolo Tamsing, M.D. is one of 396 neurology physician records with a practice address in Colorado. 82% 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 47% of them.
- NPI issued2008 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2010 among the 275 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Colorado
There are 396 neurology physician records in Colorado.
All 396 in Colorado → Every provider in Parker → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Ravi Shah, MDParker, CO 801381013999895
- Lionel ThomasParker, CO 801381225483035
- Heidi Ray, M.D.Parker, CO 801341427265883
- Madeline GarzaLittleton, CO 801251992200240
- Marc Wasserman, M.D.Littleton, CO 801251356340467
- Amelia Barrett, MDLone Tree, CO 801241790802254
- Rotem Elgavish, MD, PHDLone Tree, CO 801241437366473
- Jeffrey Ferrier, MDLone Tree, CO 801241942761994
Common questions
What is Jeffrey Keokolo Tamsing, M.D.'s NPI number?
Jeffrey Keokolo Tamsing, M.D.'s National Provider Identifier (NPI) is 1457518680, issued on May 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Keokolo Tamsing, M.D. located?
The NPPES record lists a practice address at 9235 Crown Crest Blvd, Parker, CO, 80138. Phone: (303) 840-5051. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Keokolo Tamsing, M.D.'s license?
NPPES lists Colorado license number 45856, 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 Jeffrey Keokolo Tamsing, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Keokolo Tamsing, M.D. had 1,194 Medicare Part D claims for 192 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Jeffrey Keokolo Tamsing, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 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.