NPPES file of Aug 9, 2026

Keely Reed Tietjen, PA-C

Physician Assistant · Alameda, CA

Keely Reed Tietjen, PA-C is a physician assistant with a practice address in Alameda, California, and NPI 1639738040, issued on Jun 10, 2019. Check the license (California PA56700, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639738040
Name
Keely Reed Tietjen
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA56700 CA
Self-reported in NPPES; status is on the state search
Practice location
2070 Clinton Ave, Alameda, CA 94501
Phone
(510) 864-1800
Enumerated
Jun 10, 2019
Record last updated
Jan 3, 2022
Medicare enrollment
Enrolled (PECOS I20210525000513); accepts Medicare assignment
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 2070 Clinton Ave

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

  1. Jorge Aceves, M.D.Emergency Medicine Physician1801321229
  2. Nerissa Barreto, N.P.Family Nurse Practitioner1962824532
  3. David Belk, M.D.Internal Medicine Physician1386654366
  4. Lorraine Bonner, M.D.Internal Medicine Physician1033188149
  5. Robert Brooks, MDAnesthesiology Physician1386651750
  6. Garland Castaneda, MDInternal Medicine Physician1740676881

Verify Keely Reed Tietjen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA56700
    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
Find the California 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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97% fewer Medicare Part D claims than the average physician assistant in 2024

22 Medicare Part D claims for 18 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Keely Tietjen22
  2. Specialty average830

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

  1. Permanente Medical Group IncVallejo, CA

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

Keely Reed Tietjen among 14,451 physician assistant records in California

Keely Reed Tietjen, PA-C is one of 14,451 physician assistant records with a practice address in California. 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 2019, is newer than 56% of them.

  • NPI issued2019 · 56% of these records are older, 38% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2018 · median 2018 among the 7,214 with a school on file
  • Record last updated2022 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 physician assistant records list a practice address in Alameda

They are 17 of the 2,492 NPPES records with a practice address in Alameda, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Sujata Behera, MA, MPH, PA-CAlameda, CA 945011538796370
  2. Erica Chong, PA-CAlameda, CA 945011811964943
  3. Catherine Egelhoff, PACAlameda, CA 945011194811919
  4. Shea Gillan, PA-CAlameda, CA 945011841681632
  5. Mari Gorga, P.A.-CAlameda, CA 945011275868259
  6. David Hines, PA-CAlameda, CA 945011407835820
  7. Maxwell Kaczmarek, PA-CAlameda, CA 945011023653672
  8. Karen Kline, PA-CAlameda, CA 945011881787745

Common questions

What is Keely Reed Tietjen, PA-C's NPI number?

Keely Reed Tietjen, PA-C's National Provider Identifier (NPI) is 1639738040, issued on Jun 10, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Keely Reed Tietjen, PA-C located?

The NPPES record lists a practice address at 2070 Clinton Ave, Alameda, CA, 94501. Phone: (510) 864-1800. Providers update this record themselves, so call before visiting.

How can I verify Keely Reed Tietjen, PA-C's license?

NPPES lists California license number PA56700, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Keely Reed Tietjen, PA-C prescribe under Medicare Part D?

In 2024, Keely Reed Tietjen, PA-C had 22 Medicare Part D claims for 18 beneficiaries; the average among physician assistant prescribers was 830. 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.