NPPES file of Aug 9, 2026

Yana Davidovna Gristan, MD

Internal Medicine Physician · Santa Barbara, CA

Yana Davidovna Gristan, MD is an internal medicine physician with a practice address in Santa Barbara, California, and NPI 1023635562, issued on Jul 1, 2020. Check the license (California A186841, as entered in NPPES) on the Medical Board of California; 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
1023635562
Name
Yana Davidovna Gristan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A186841 CA
Self-reported in NPPES; status is on the state search
Practice location
Santa Barbara Cottage Hospital, Santa Barbara, CA 93105
Phone
(805) 682-7111
Enumerated
Jul 1, 2020
Record last updated
Jun 27, 2023
Fax
(805) 569-8358
Medicare enrollment
Enrolled (PECOS I20230720000821); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 Santa Barbara Cottage Hospital

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

  1. Madeline Abuelafiya, D.O.Student in an Organized Health Care Education/Training Program1073252318
  2. Ayda Alavi, MDStudent in an Organized Health Care Education/Training Program1639808579
  3. Insiya Attarwala, D.O.Student in an Organized Health Care Education/Training Program1417475427
  4. Nicholas Berry, M.D.Student in an Organized Health Care Education/Training Program1639816382
  5. Ivan Buitrago, M.D.Student in an Organized Health Care Education/Training Program1902545510
  6. Ginearosa Carbone, MDInternal Medicine Physician1891432548

Verify Yana Davidovna Gristan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A186841
    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 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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80% fewer Medicare Part D claims than the average internal medicine physician in 2024

645 Medicare Part D claims for 81 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Yana Gristan645
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate57 claims
  2. Atorvastatin Calcium46 claims
  3. Losartan Potassium31 claims
  4. Levothyroxine Sodium24 claims
  5. Trazodone Hcl24 claims
  6. Fluticasone Propionate22 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: $56.55

3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yana Gristan$56.55
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Cottage Clinical AssociatesSanta Barbara, CA
  2. Cottage Medical FoundationGoleta, CA

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

Yana Davidovna Gristan among 17,696 internal medicine physician records in California

Yana Davidovna Gristan, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.

  • NPI issued2020 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2019 · median 2004 among the 11,065 with a school on file
  • 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 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

129 internal medicine physician records list a practice address in Santa Barbara

They are 129 of the 5,328 NPPES records with a practice address in Santa Barbara, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dennis Baker, M.DSanta Barbara, CA 931051669419602
  2. James Barbabella, M.D.Santa Barbara, CA 931051114031598
  3. Laurel Bliss, MDSanta Barbara, CA 931051154368868
  4. David Dodson, M.DSanta Barbara, CA 931051619943834
  5. Patrick Frawley, MDSanta Barbara, CA 931051093707358
  6. Jeffrey Hadsall, M.D.Santa Barbara, CA 931051275641714
  7. William Koonce, MDSanta Barbara, CA 931051124010095
  8. Sandra Kramer, MDSanta Barbara, CA 931051104823418

Common questions

What is Yana Davidovna Gristan, MD's NPI number?

Yana Davidovna Gristan, MD's National Provider Identifier (NPI) is 1023635562, issued on Jul 1, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Yana Davidovna Gristan, MD located?

The NPPES record lists a practice address at Santa Barbara Cottage Hospital, Santa Barbara, CA, 93105. Phone: (805) 682-7111. Providers update this record themselves, so call before visiting.

How can I verify Yana Davidovna Gristan, MD's license?

NPPES lists California license number A186841, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Yana Davidovna Gristan, MD prescribe under Medicare Part D?

In 2024, Yana Davidovna Gristan, MD had 645 Medicare Part D claims for 81 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.