NPPES file of Aug 9, 2026

Ravi P. Nayak, MD

Pulmonary Disease Physician · Saint Louis, MO

Ravi P. Nayak, MD is a pulmonary disease physician with a practice address in Saint Louis, Missouri, and NPI 1689789026, issued on Aug 19, 2006. Check the license (Missouri 2000173750, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1689789026
Name
Ravi P. Nayak
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
2000173750 MO
Self-reported in NPPES; status is on the state search
Practice location
3660 Vista Ave, Saint Louis, MO 63110
Phone
(314) 977-6190
Enumerated
Aug 19, 2006
Record last updated
May 9, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(314) 977-5123
Medicare enrollment
Enrolled (PECOS I20041112000079); 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 3660 Vista Ave

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

  1. Ali Al Balushi, M.D.Student in an Organized Health Care Education/Training Program1356750301
  2. Mary Barron, APRNFamily Nurse Practitioner1760600977
  3. Taylor BastinHospitalist Physician1205464492
  4. Shannon Brueggemann, MS, RDN, LDNRegistered Dietitian1679988810
  5. Kent Buxton, MDInternal Medicine Physician1740749746
  6. David Crafts, M.D.Specialist1891884870

Verify Ravi P. Nayak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2000173750
    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 Missouri license search

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51% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

705 Medicare Part D claims for 73 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Ravi Nayak705
  2. Specialty average1,425

Most prescribed

  1. Albuterol Sulfate Hfa88 claims
  2. Montelukast Sodium86 claims
  3. Fluticasone Propionate71 claims
  4. Trikafta46 claims
  5. Breo Ellipta26 claims
  6. Prednisone25 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): 81.6 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 score76.1
  2. Costout of 100 · 30%54.3
  3. Promoting interoperabilityout of 100 · 25%100.0
  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. Ssm Health Care GroupSaint Louis, MO

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

Ravi P. Nayak among 332 pulmonary disease physician records in Missouri

Ravi P. Nayak, MD is one of 332 pulmonary disease physician records with a practice address in Missouri. 85% 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, 50% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1989 · median 2003 among the 246 with a school on file
  • Record last updated2011 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Missouri

There are 332 pulmonary disease physician records in Missouri.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Leonidas Carayannopoulos, MDSaint Louis, MO 631101043236367
  2. Murali Chakinala, MDSaint Louis, MO 631101407872724
  3. Jonathan Green, MDSaint Louis, MO 631101033140553
  4. Ramsey Hachem, MDSaint Louis, MO 631101891711016
  5. Jeffrey Haspel, MDSaint Louis, MO 631101376578344
  6. Warren Isakow, MDSaint Louis, MO 631101285607341
  7. Marin Kollef, MDSaint Louis, MO 631101326077165
  8. Janet Lee, MDSaint Louis, MO 631101912979824

Common questions

What is Ravi P. Nayak, MD's NPI number?

Ravi P. Nayak, MD's National Provider Identifier (NPI) is 1689789026, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ravi P. Nayak, MD located?

The NPPES record lists a practice address at 3660 Vista Ave, Saint Louis, MO, 63110. Phone: (314) 977-6190. Providers update this record themselves, so call before visiting.

How can I verify Ravi P. Nayak, MD's license?

NPPES lists Missouri license number 2000173750, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ravi P. Nayak, MD prescribe under Medicare Part D?

In 2024, Ravi P. Nayak, MD had 705 Medicare Part D claims for 73 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is Ravi P. Nayak, MD's MIPS final score?

The 2023 MIPS final score is 81.6 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.