Jonathan S. Gallen, M.D.
Anesthesiology Physician · Denver, CO
Jonathan S. Gallen, M.D. is an anesthesiology physician with a practice address in Denver, Colorado, and NPI 1023123957, issued on Aug 20, 2006. Check the license (Colorado 48208, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan S. Gallen
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 48208 CO
Self-reported in NPPES; status is on the state search - Practice location
- 3118 Newton St, Denver, CO 80211
- Phone
- (720) 923-6165
- Enumerated
- Aug 20, 2006
- Record last updated
- Feb 27, 2023
- Medicaid ID
- 21921385 CO
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,202 in Colorado → Look up another NPI →
Also registered at 3118 Newton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Al-Najar, MDAnesthesiology Physician1396373866
- Ian Stone, DOAnesthesiology Physician1790363208
Verify Jonathan S. Gallen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 48208Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average anesthesiology physician in 2024
32 Medicare Part D claims for 14 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $219.01
8 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 17,774 providers of this specialty with any payment received $669.59 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.
Jonathan S. Gallen among 1,202 anesthesiology physician records in Colorado
Jonathan S. Gallen, M.D. is one of 1,202 anesthesiology physician records with a practice address in Colorado. 75% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2023 · 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 207L00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Colorado
There are 1,202 anesthesiology physician records in Colorado.
All 1,202 in Colorado → Every provider in Denver → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Sarah Al-Najar, MDDenver, CO 802111396373866
- Sarah Kadhim, M.D.Denver, CO 802111669798427
- Ian Stone, DODenver, CO 802111790363208
- Gail Kiefer, M.D.Denver, CO 802101457364630
- Michael Culliton, MDLakewood, CO 802141750483368
- Wendy Parkinson, MDLakewood, CO 802141437251196
- David Powell, MDLakewood, CO 802141639271240
- Nancy Reese, MDLakewood, CO 802141922139799
Common questions
What is Jonathan S. Gallen, M.D.'s NPI number?
Jonathan S. Gallen, M.D.'s National Provider Identifier (NPI) is 1023123957, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan S. Gallen, M.D. located?
The NPPES record lists a practice address at 3118 Newton St, Denver, CO, 80211. Phone: (720) 923-6165. Providers update this record themselves, so call before visiting.
How can I verify Jonathan S. Gallen, M.D.'s license?
NPPES lists Colorado license number 48208, 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 Jonathan S. Gallen, M.D. prescribe under Medicare Part D?
In 2024, Jonathan S. Gallen, M.D. had 32 Medicare Part D claims for 14 beneficiaries; the average among anesthesiology physician prescribers was 402. 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.