Daniel C. Grinnan, M.D.
Pulmonary Disease Physician · Richmond, VA
Daniel C. Grinnan, M.D. is a pulmonary disease physician with a practice address in Richmond, Virginia, and NPI 1922038496, issued on Jul 3, 2006. Check the license (Virginia 0101234411, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Daniel C. Grinnan
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 0101234411 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1250 E Marshall Street, Richmond, VA 23298
- Phone
- (804) 828-9071
- Enumerated
- Jul 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050927000336); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 386 in Virginia → Look up another NPI →
Also registered at 1250 E Marshall Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olubunmi Abayomi, M.D.Radiation Oncology Physician1457379497
- Pasquale Accardo, M.D.Pediatrics Physician1265536643
- Ruma Adams, M.D.Internal Medicine Physician1023194057
- Stuart Adler, MDPediatric Infectious Diseases Physician1417050840
- Cheryl Al-Mateen, M.D.Child & Adolescent Psychiatry Physician1972693356
- Tara Albrecht, PHD, ACNP,-BC, RNAcute Care Nurse Practitioner1982027413
Verify Daniel C. Grinnan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101234411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average pulmonary disease physician in 2024
3,221 Medicare Part D claims for 267 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Azithromycin246 claims
- Albuterol Sulfate Hfa203 claims
- Trelegy Ellipta173 claims
- Montelukast Sodium170 claims
- Prednisone163 claims
- Sildenafil Citrate150 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): 76.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $108.47
1 payment: food and beverage; the largest payer was United Therapeutics Corporation. The 8,806 providers of this specialty with any payment received $5,159.88 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.
Bills Medicare through one group practice
- Mcv Associated PhysiciansRichmond, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel C. Grinnan among 386 pulmonary disease physician records in Virginia
Daniel C. Grinnan, M.D. is one of 386 pulmonary disease physician records with a practice address in Virginia. 77% 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, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2000 · median 2002 among the 252 with a school on file
- Record last updated2007 · 56% 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 Virginia 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 Virginia
There are 386 pulmonary disease physician records in Virginia.
All 386 in Virginia → Every provider in Richmond → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Herman Bogaard, M.D.Richmond, VA 232981336394121
- Casey Cable, MDRichmond, VA 232981841559333
- Nauman Chaudary, MDRichmond, VA 232981811976582
- Marjolein De WitRichmond, VA 232981154402790
- Alpha Fowler, M.D.Richmond, VA 232981972684512
- Thomas Iden, MDRichmond, VA 232981275740417
- Kristin Miller, MDRichmond, VA 232981508074121
- Serge Nana-Sinkam, M.D.Richmond, VA 232981184633315
Common questions
What is Daniel C. Grinnan, M.D.'s NPI number?
Daniel C. Grinnan, M.D.'s National Provider Identifier (NPI) is 1922038496, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel C. Grinnan, M.D. located?
The NPPES record lists a practice address at 1250 E Marshall Street, Richmond, VA, 23298. Phone: (804) 828-9071. Providers update this record themselves, so call before visiting.
How can I verify Daniel C. Grinnan, M.D.'s license?
NPPES lists Virginia license number 0101234411, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Daniel C. Grinnan, M.D. prescribe under Medicare Part D?
In 2024, Daniel C. Grinnan, M.D. had 3,221 Medicare Part D claims for 267 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Daniel C. Grinnan, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.2 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.