Doctor profile · Federal record
Dr. Marianne Delach, D.O.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Watertown, MA
- NPI 1831385483
- Accepts Medicare
- 20 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
485 Arsenal St
Watertown, MA 024725091
(617) 972-5500
Credentials & registration
- NPI registered
- September 2007 — 19 yrs on file
- Profile last updated
- January 22, 2013
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Massachusetts #244075
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831385483. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
52
Distinct HCPCS
3
Medicare allowed
$3,639
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 23 | 19 | $100 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 15 | 15 | $49 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 14 | 14 | $44 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 17. This provider delivers 3.1× the peer median.Open Payments
Industry payments received
All-time total
$103
Transactions
5
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | 4 | $85.89 | |
| ABBVIE INC. | 1 | $17.39 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$595
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Progesterone (Progesterone, Micronized) | Brand | 11 | 0 | $595 |
Frequently asked questions
What is Dr. Marianne Delach's medical specialty?
Dr. Marianne Delach practices Obstetrics & Gynecology Physician in Watertown, MA.
Where does Dr. Marianne Delach practice?
Dr. Marianne Delach practices at 485 Arsenal St, Watertown, MA 024725091. Office phone: 6179725500.
What is Dr. Marianne Delach's NPI?
Dr. Marianne Delach's National Provider Identifier (NPI) is 1831385483, issued by NPPES.
Does Dr. Marianne Delach accept Medicare assignment?
Yes. Dr. Marianne Delach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marianne Delach commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.