NPPES file of Aug 9, 2026

Benjamin Schrock Alderfer, M.D.

Psychiatry Physician · Denver, CO

Benjamin Schrock Alderfer, M.D. is a psychiatry physician with a practice address in Denver, Colorado, and NPI 1174620025, issued on Sep 20, 2006. Check the license (Colorado DR-43637, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174620025
Name
Benjamin Schrock Alderfer
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
DR-43637 CO
Self-reported in NPPES; status is on the state search
Practice location
2525 S Downing St, Denver, CO 80210
Phone
(303) 765-6858
Enumerated
Sep 20, 2006
Record last updated
Dec 29, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(303) 765-6722
Medicare enrollment
Enrolled (PECOS I20090309000184); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2525 S Downing St

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

  1. Gwen Allen, RNMedical-Surgical Registered Nurse1285412239
  2. Madison Bassett, AGACNP-BCNurse Practitioner1548830466
  3. Connie Bassham, RN, CNSPsychiatric/Mental Health Registered Nurse1811134430
  4. John Batiuchok, MDPsychiatry Physician1184637761
  5. Jessica Batten, PAPhysician Assistant1235620402
  6. Dena BooeSurgical Technologist1205043734

Verify Benjamin Schrock Alderfer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR-43637
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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49% fewer Medicare Part D claims than the average psychiatry physician in 2024

514 Medicare Part D claims for 75 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Benjamin Alderfer514
  2. Specialty average1,000

Most prescribed

  1. Lorazepam35 claims
  2. Lithium Carbonate Er32 claims
  3. Venlafaxine Hcl Er31 claims
  4. Trazodone Hcl23 claims
  5. Mirtazapine20 claims
  6. Clonazepam19 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 practice group's MIPS final score for 2023 (Medicare payment program): 77.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.3
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%81.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Portercare Adventist Health SystemDenver, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Benjamin Schrock Alderfer among 990 psychiatry physician records in Colorado

Benjamin Schrock Alderfer, M.D. is one of 990 psychiatry physician records with a practice address in Colorado. 65% 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, 62% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 35% of these records are
  • Graduated2000 · median 2009 among the 351 with a school on file
  • Record last updated2011 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

291 psychiatry physician records list a practice address in Denver

They are 291 of the 25,068 NPPES records with a practice address in Denver, and 990 psychiatry physician records in Colorado.

The 8 psychiatry physician records with the nearest ZIP codes

  1. John Batiuchok, MDDenver, CO 802101184637761
  2. George Brandt, M.D.Denver, CO 802101952347783
  3. John Bridges, MDDenver, CO 802101801809488
  4. Charles Crown, M.D.Denver, CO 802101225241656
  5. Jay Kutnick, MDDenver, CO 802101336295013
  6. Kerri Langer, M.D.Denver, CO 802101184943920
  7. Steven Mays, MDDenver, CO 802101528094216
  8. Thomas Renaghan, MDDenver, CO 802101730115999

Common questions

What is Benjamin Schrock Alderfer, M.D.'s NPI number?

Benjamin Schrock Alderfer, M.D.'s National Provider Identifier (NPI) is 1174620025, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Schrock Alderfer, M.D. located?

The NPPES record lists a practice address at 2525 S Downing St, Denver, CO, 80210. Phone: (303) 765-6858. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Schrock Alderfer, M.D.'s license?

NPPES lists Colorado license number DR-43637, 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 Benjamin Schrock Alderfer, M.D. prescribe under Medicare Part D?

In 2024, Benjamin Schrock Alderfer, M.D. had 514 Medicare Part D claims for 75 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

What is Benjamin Schrock Alderfer, M.D.'s MIPS final score?

The 2023 MIPS final score is 77.2 of 100, reported for the practice group. 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.