Jennifer M. Tamblyn, M.D.
Internal Medicine Physician · Denver, CO
Jennifer M. Tamblyn, M.D. is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1881860773, issued on May 1, 2008. Check the license (Colorado 46234, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jennifer M. Tamblyn
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 46234 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1721 E 19TH Ave, Denver, CO 80218
- Phone
- (303) 869-2160
- Enumerated
- May 1, 2008
- Record last updated
- Nov 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (303) 869-2544
- Medicaid IDs
- 64131050 CO
49280732 CO - Medicare enrollment
- Enrolled (PECOS I20080815000654); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 1721 E 19TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mark Brunvand, MDHematology & Oncology Physician1891779534
- Christopher Deig, M.D.Radiation Oncology Physician1043743883
Verify Jennifer M. Tamblyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 46234Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average internal medicine physician in 2024
5,205 Medicare Part D claims for 390 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 108 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium341 claims
- Levothyroxine Sodium328 claims
- Lisinopril205 claims
- Atorvastatin Calcium181 claims
- Amlodipine Besylate174 claims
- Losartan Potassium161 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.
Bills Medicare through one group practice
- Peak Internal MedicineSuperior, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer M. Tamblyn among 2,046 internal medicine physician records in Colorado
Jennifer M. Tamblyn, M.D. 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 2008, is newer than 61% of them.
- NPI issued2008 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2005 · median 2006 among the 1,090 with a school on file
- Record last updated2019 · 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).
493 internal medicine physician records list a practice address in Denver
They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Denver → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- August Anneberg, M.D.Denver, CO 802181225000508
- Samuel Brown, MDDenver, CO 802181245206515
- Nicola Bugelli, MDDenver, CO 802181760460695
- Alan Burgess, MDDenver, CO 802181003804931
- Aaron Calderon, MDDenver, CO 802181124075353
- Stephen Carmel, MDDenver, CO 802181245260017
- Elizabeth Cyran, MD, MSPHDenver, CO 802181184662108
- Brian Dwinnell, M.D.Denver, CO 802181992725964
Common questions
What is Jennifer M. Tamblyn, M.D.'s NPI number?
Jennifer M. Tamblyn, M.D.'s National Provider Identifier (NPI) is 1881860773, issued on May 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer M. Tamblyn, M.D. located?
The NPPES record lists a practice address at 1721 E 19TH Ave, Denver, CO, 80218. Phone: (303) 869-2160. Providers update this record themselves, so call before visiting.
How can I verify Jennifer M. Tamblyn, M.D.'s license?
NPPES lists Colorado license number 46234, 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 Jennifer M. Tamblyn, M.D. prescribe under Medicare Part D?
In 2024, Jennifer M. Tamblyn, M.D. had 5,205 Medicare Part D claims for 390 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.