Anna M. Grassi, DO
Obstetrics & Gynecology Physician · West Reading, PA
Anna M. Grassi, DO is an obstetrics & gynecology physician with a practice address in West Reading, Pennsylvania, and NPI 1255691457, issued on May 22, 2012. Check the license (Pennsylvania OS018148, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Anna M. Grassi
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- OS018148 PA
Self-reported in NPPES; status is on the state search - Practice location
- 301 S 7TH Ave, West Reading, PA 19611
- Phone
- (484) 628-7900
- Enumerated
- May 22, 2012
- Record last updated
- Nov 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (610) 685-5264
- Medicare enrollment
- Enrolled (PECOS I20160602000494); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2012
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,974 in Pennsylvania → Look up another NPI →
Also registered at 301 S 7TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amir Abdel-Wahab, M.D.Pediatrics Physician1548499767
- Naomi AcheampongNurse Practitioner1114564911
- Michael Avedissian, M.D.Cardiovascular Disease Physician1265412258
- Mary Bahney, PA-CPhysician Assistant1649244005
- Peter Bamberger, M.D.Surgery Physician1588610877
- Jackie Beecham, CRNPObstetrics & Gynecology Nurse Practitioner1700850377
Verify Anna M. Grassi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS018148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
218 Medicare Part D claims for 86 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol54 claims
- Myrbetriq20 claims
- Oxybutynin Chloride Er16 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): 81.2 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: $13.17
1 payment: food and beverage; the largest payer was Conmed Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Tower Health Medical GroupWyomissing, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anna M. Grassi among 1,974 obstetrics & gynecology physician records in Pennsylvania
Anna M. Grassi, DO is one of 1,974 obstetrics & gynecology physician records with a practice address in Pennsylvania. 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 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2012 · median 2007 among the 1,176 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 obstetrics & gynecology physician records list a practice address in West Reading
They are 23 of the 1,123 NPPES records with a practice address in West Reading, and 1,974 obstetrics & gynecology physician records in Pennsylvania.
All 1,974 in Pennsylvania → Every provider in West Reading → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Tonie Crandall, M.D.West Reading, PA 196111467425058
- Ossama Elsaccar, MTWest Reading, PA 196111851559231
- Eric Fehnel, M.D.West Reading, PA 196111366603664
- Fredericka Heller, M.D.Reading, PA 196111326046954
- Xuezhi Jiang, MDWest Reading, PA 196111932411964
- Nathan Keller, M.D.West Reading, PA 196111174967749
- Anton Kleiner, M.D.West Reading, PA 196111558362418
- Gerald Malick, M.D.West Reading, PA 196111235199217
Common questions
What is Anna M. Grassi, DO's NPI number?
Anna M. Grassi, DO's National Provider Identifier (NPI) is 1255691457, issued on May 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Anna M. Grassi, DO located?
The NPPES record lists a practice address at 301 S 7TH Ave, West Reading, PA, 19611. Phone: (484) 628-7900. Providers update this record themselves, so call before visiting.
How can I verify Anna M. Grassi, DO's license?
NPPES lists Pennsylvania license number OS018148, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Anna M. Grassi, DO prescribe under Medicare Part D?
In 2024, Anna M. Grassi, DO had 218 Medicare Part D claims for 86 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Anna M. Grassi, DO's MIPS final score?
The 2023 MIPS final score is 81.2 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.